FEIR - Appendix D - Hazards — Riverside City Council, September 17, 2024 (part 10 of 11)

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 117 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-29 (Soil)
B17-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:06
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Benzene ND D 50 50.0 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Bromobenzene (Phenyl bromide) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Bromochloromethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Bromodichloromethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Bromoform (Tribromomethane) ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Bromomethane (Methyl bromide) ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 2-Butanone (MEK) ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A n-Butylbenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A sec-Butylbenzene 704 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A tert-Butylbenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Carbon Disulfide ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Carbon tetrachloride ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Chlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Chloroethane ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 2-Chloroethyl vinyl ether ND D 50 2500 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Chloroform (Trichloromethane) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Chloromethane (Methyl chloride) ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 2-Chlorotoluene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 4-Chlorotoluene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Dibromochloromethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2-Dibromoethane (EDB) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Dibromomethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2-Dichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,3-Dichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,4-Dichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Dichlorodifluoromethane ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,1-Dichloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2-Dichloroethane (EDC) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,1-Dichloroethene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A cis-1,2-Dichloroethene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A trans-1,2-Dichloroethene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2-Dichloropropane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A

Page 114 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 118 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-29 (Soil)
B17-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:06
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 2,2-Dichloropropane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,1-Dichloropropene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A cis-1,3-Dichloropropene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A trans-1,3-Dichloropropene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Ethylbenzene 5370 DIL 50 50.0 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Hexachlorobutadiene ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 2-Hexanone ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Iodomethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Isopropylbenzene 1010 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A p-Isopropyltoluene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 4-Methyl-2-pentanone (MIBK) ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Methylene chloride (DCM) ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Naphthalene 4800 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A n-Propylbenzene 4080 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Styrene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,1,1,2-Tetrachloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,1,2,2-Tetrachloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Tetrachloroethene ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Toluene (Methyl benzene) ND D 50 50.0 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2,3-Trichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2,4-Trichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,1,1-Trichloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,1,2-Trichloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Trichloroethene ND D 50 75.0 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Trichlorofluoromethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Trichlorotrifluoroethane (Freon-113) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2,3-Trichloropropane ND D 50 50.0 250 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,2,4-Trimethylbenzene 2860 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A 1,3,5-Trimethylbenzene 1490 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Vinyl Acetate ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Vinyl chloride (Chloroethene) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A o-Xylene ND D 50 50.0 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A m,p-Xylenes 68.0 DIL, J 50 50.0 1000 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A tert-Butyl alcohol (TBA) ND D 50 500 2500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Diisopropyl ether (DIPE) ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A

Page 115 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 119 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-29 (Soil)
B17-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:06
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND D 50 5000 12500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Ethyl-tert-butyl ether (ETBE) ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Methyl-tert-butyl ether (MTBE) ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A tert-Amyl methyl ether (TAME) ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.8% 75-125 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Surrogate: Dibromofluoromethane 102% 75-125 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A Surrogate: Toluene-d8 95.8% 75-125 06/28/23 10:00 06/29/23 00:58 B3F0382 DA 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)
377 DIL 200 23.2 40.0 mg/kg 06/28/23 12:28 06/28/23 13:09 B3F0389 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 88.0% 75-120 06/28/23 12:28 06/28/23 13:09 B3F0389 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 18:18 B3F0359 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 18:18 B3F0359 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 18:18 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 91.2% 75-125 06/27/23 08:43 06/28/23 18:18 B3F0359 TTN 3550B

Page 116 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 120 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-30 (Soil)
B17-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:14
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A

Page 117 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 121 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-30 (Soil)
B17-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:14
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A

Page 118 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 122 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-30 (Soil)
B17-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:14
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.5% 75-125 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A Surrogate: Toluene-d8 96.1% 75-125 06/28/23 23:02 06/29/23 03:13 B3F0405 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 04:51 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 91.5% 75-120 06/27/23 03:24 06/27/23 04:51 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 18:57 B3F0359 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 18:57 B3F0359 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 18:57 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.7% 75-125 06/27/23 08:43 06/28/23 18:57 B3F0359 TTN 3550B

Page 119 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 123 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-31 (Soil)
B15-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:20
TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:27 06/27/23 19:08 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 96.6% 75-120 06/27/23 18:27 06/27/23 19:08 B3F0370 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) 49.1 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 19:35 B3F0359 TTN 3550B TPH as Heavy Hydrocarbons
(C23-40)
988 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 19:35 B3F0359 TTN 3550B TPH Total as Diesel and
Heavy HC (C13-C40)
1040 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 19:35 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 86.8% 75-125 06/27/23 08:43 06/28/23 19:35 B3F0359 TTN 3550B

Page 120 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 124 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-32 (Soil)
B15-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:22
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Benzene 1.97 J 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A

Page 121 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 125 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-32 (Soil)
B15-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:22
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A

Page 122 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 126 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-32 (Soil)
B15-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:22
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 103% 75-125 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A Surrogate: Toluene-d8 93.5% 75-125 06/28/23 23:02 06/29/23 03:48 B3F0405 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 05:35 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 117% 75-120 06/27/23 03:24 06/27/23 05:35 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 20:12 B3F0359 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 20:12 B3F0359 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 20:12 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 89.8% 75-125 06/27/23 08:43 06/28/23 20:12 B3F0359 TTN 3550B

Page 123 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 127 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-33 (Soil)
B15-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:25
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A

Page 124 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 128 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-33 (Soil)
B15-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:25
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A

Page 125 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 129 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-33 (Soil)
B15-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:25
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 106% 75-125 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A Surrogate: Toluene-d8 95.1% 75-125 06/28/23 23:02 06/29/23 04:24 B3F0405 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 06:18 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 89.2% 75-120 06/27/23 03:24 06/27/23 06:18 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 20:50 B3F0359 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 20:50 B3F0359 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 20:50 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 94.1% 75-125 06/27/23 08:43 06/28/23 20:50 B3F0359 TTN 3550B

Page 126 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 130 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-34 (Soil)
B15-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:28
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A

Page 127 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 131 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-34 (Soil)
B15-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:28
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A

Page 128 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 132 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-34 (Soil)
B15-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:28
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 102% 75-125 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 90.5% 75-125 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A Surrogate: Toluene-d8 94.8% 75-125 06/28/23 10:00 06/28/23 19:44 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 07:14 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.9% 75-120 06/27/23 03:24 06/27/23 07:14 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 21:28 B3F0359 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 21:28 B3F0359 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 21:28 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.1% 75-125 06/27/23 08:43 06/28/23 21:28 B3F0359 TTN 3550B

Page 129 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 133 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-35 (Soil)
B15-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:31
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A

Page 130 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 134 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-35 (Soil)
B15-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:31
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A

Page 131 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 135 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-35 (Soil)
B15-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:31
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.8% 75-125 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 92.2% 75-125 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A Surrogate: Toluene-d8 94.1% 75-125 06/28/23 10:00 06/28/23 20:17 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 07:58 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 103% 75-120 06/27/23 03:24 06/27/23 07:58 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 01:47 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 01:47 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 01:47 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.2% 75-125 06/28/23 09:05 06/29/23 01:47 B3F0393 TTN 3550B

Page 132 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 136 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-36 (Soil)
B16-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:14
TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/27/23 20:13 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 105% 75-120 06/27/23 18:46 06/27/23 20:13 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 02:24 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 02:24 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 02:24 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.8% 75-125 06/28/23 09:05 06/29/23 02:24 B3F0393 TTN 3550B

Page 133 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 137 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-37 (Soil)
B16-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:29
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A

Page 134 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 138 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-37 (Soil)
B16-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:29
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A

Page 135 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 139 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-37 (Soil)
B16-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:29
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 102% 75-125 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 91.4% 75-125 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A Surrogate: Toluene-d8 92.5% 75-125 06/28/23 10:00 06/28/23 20:49 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 08:41 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-120 06/27/23 03:24 06/27/23 08:41 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 03:01 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 03:01 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 03:01 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.8% 75-125 06/28/23 09:05 06/29/23 03:01 B3F0393 TTN 3550B

Page 136 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 140 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-38 (Soil)
B16-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:35
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A

Page 137 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 141 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-38 (Soil)
B16-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:35
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A

Page 138 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 142 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-38 (Soil)
B16-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:35
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 102% 75-125 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 92.0% 75-125 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A Surrogate: Toluene-d8 94.2% 75-125 06/28/23 10:00 06/28/23 21:21 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 09:24 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 88.1% 75-120 06/27/23 03:24 06/27/23 09:24 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 03:37 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 03:37 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 03:37 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.8% 75-125 06/28/23 09:05 06/29/23 03:37 B3F0393 TTN 3550B

Page 139 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 143 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-39 (Soil)
B16-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:41
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A

Page 140 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 144 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-39 (Soil)
B16-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:41
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A

Page 141 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 145 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-39 (Soil)
B16-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:41
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 92.6% 75-125 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A Surrogate: Toluene-d8 93.9% 75-125 06/28/23 10:00 06/28/23 21:54 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 10:08 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 82.2% 75-120 06/27/23 03:24 06/27/23 10:08 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 04:14 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 04:14 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 04:14 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 89.9% 75-125 06/28/23 09:05 06/29/23 04:14 B3F0393 TTN 3550B

Page 142 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 146 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-40 (Soil)
B16-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:53
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A

Page 143 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 147 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-40 (Soil)
B16-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:53
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Ethylbenzene 11.1 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Naphthalene 22.7 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A n-Propylbenzene 5.04 J 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,2,4-Trimethylbenzene 15.5 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A o-Xylene 2.51 J 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A m,p-Xylenes 5.97 J 1 1.00 20.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A

Page 144 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 148 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-40 (Soil)
B16-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:53
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 103% 75-125 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 92.8% 75-125 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A Surrogate: Toluene-d8 96.4% 75-125 06/28/23 10:00 06/28/23 22:26 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 10:51 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 91.7% 75-120 06/27/23 03:24 06/27/23 10:51 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 04:50 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 04:50 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 04:50 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.9% 75-125 06/28/23 09:05 06/29/23 04:50 B3F0393 TTN 3550B

Page 145 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 149 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-41 (Soil)
B16-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:07
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A sec-Butylbenzene 6.31 J 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A

Page 146 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 150 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-41 (Soil)
B16-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:07
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Ethylbenzene 128 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Isopropylbenzene 20.7 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Naphthalene 41.3 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A n-Propylbenzene 77.6 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,2,4-Trimethylbenzene 136 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A 1,3,5-Trimethylbenzene 44.1 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A o-Xylene 36.6 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A m,p-Xylenes 166 1 1.00 20.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A

Page 147 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 151 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-41 (Soil)
B16-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:07
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.5% 75-125 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A Surrogate: Toluene-d8 101% 75-125 06/28/23 10:00 06/28/23 22:59 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)

2.14 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 11:34 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 92.6% 75-120 06/27/23 03:24 06/27/23 11:34 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 05:27 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 05:27 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 05:27 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.0% 75-125 06/28/23 09:05 06/29/23 05:27 B3F0393 TTN 3550B

Page 148 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 152 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-42 (Soil)
B16-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:16
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A n-Butylbenzene 36.1 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A sec-Butylbenzene 9.18 J 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A

Page 149 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 153 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-42 (Soil)
B16-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:16
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Ethylbenzene 28.9 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Isopropylbenzene 7.42 J 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Naphthalene 132 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A n-Propylbenzene 30.3 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,2,4-Trimethylbenzene 32.0 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A 1,3,5-Trimethylbenzene 8.82 J 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A o-Xylene 2.72 J 1 1.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A m,p-Xylenes 4.54 J 1 1.00 20.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A

Page 150 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 154 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-42 (Soil)
B16-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:16
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 102% 75-125 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A Surrogate: Toluene-d8 102% 75-125 06/28/23 10:00 06/28/23 23:31 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)

0.776 1 0.116 0.200 mg/kg 06/27/23 18:27 06/27/23 21:52 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 107% 75-120 06/27/23 18:27 06/27/23 21:52 B3F0370 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 06:04 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 06:04 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 06:04 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.3% 75-125 06/28/23 09:05 06/29/23 06:04 B3F0393 TTN 3550B

Page 151 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 155 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-43 (Soil)
B16-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:29
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A

Page 152 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 156 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-43 (Soil)
B16-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:29
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A

Page 153 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 157 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-43 (Soil)
B16-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:29
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 102% 75-125 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 102% 75-125 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A Surrogate: Toluene-d8 100% 75-125 06/28/23 10:00 06/29/23 00:03 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:27 06/27/23 22:33 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 112% 75-120 06/27/23 18:27 06/27/23 22:33 B3F0370 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 06:40 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 06:40 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 06:40 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.6% 75-125 06/28/23 09:05 06/29/23 06:40 B3F0393 TTN 3550B

Page 154 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 158 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-44 (Soil)
B16-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:42
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A

Page 155 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 159 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-44 (Soil)
B16-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:42
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A

Page 156 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 160 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-44 (Soil)
B16-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 15:42
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-125 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 102% 75-125 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A Surrogate: Toluene-d8 98.0% 75-125 06/28/23 10:00 06/29/23 02:12 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:34 06/29/23 09:13 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 85.7% 75-120 06/27/23 03:34 06/29/23 09:13 B3F0356 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 07:54 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 07:54 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 07:54 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.4% 75-125 06/28/23 09:05 06/29/23 07:54 B3F0393 TTN 3550B

Page 157 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 161 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-45 (Soil)
B17-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:22
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A

Page 158 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 162 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-45 (Soil)
B17-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:22
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Ethylbenzene 2.92 J 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,2,4-Trimethylbenzene 8.57 J 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A o-Xylene 2.15 J 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A m,p-Xylenes 4.88 J 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A

Page 159 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 163 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-45 (Soil)
B17-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:22
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.7% 75-125 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Surrogate: Dibromofluoromethane 82.4% 75-125 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A Surrogate: Toluene-d8 95.2% 75-125 06/28/23 10:00 06/29/23 11:48 B3F0407 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:27 06/27/23 23:14 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 112% 75-120 06/27/23 18:27 06/27/23 23:14 B3F0370 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 08:31 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 08:31 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 08:31 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.5% 75-125 06/28/23 09:05 06/29/23 08:31 B3F0393 TTN 3550B

Page 160 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 164 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-46 (Soil)
B18-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:28
TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/27/23 20:56 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 111% 75-120 06/27/23 18:46 06/27/23 20:56 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 09:09 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 09:09 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 09:09 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.0% 75-125 06/28/23 09:05 06/29/23 09:09 B3F0393 TTN 3550B

Page 161 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 165 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-47 (Soil)
B18-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:30
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A

Page 162 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 166 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-47 (Soil)
B18-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:30
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A

Page 163 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 167 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-47 (Soil)
B18-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:30
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 102% 75-125 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 102% 75-125 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A Surrogate: Toluene-d8 98.2% 75-125 06/28/23 10:00 06/29/23 02:45 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:27 06/27/23 23:55 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 110% 75-120 06/27/23 18:27 06/27/23 23:55 B3F0370 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 13:17 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 13:17 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 13:17 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 92.6% 75-125 06/28/23 09:05 06/29/23 13:17 B3F0393 TTN 3550B

Page 164 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 168 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-48 (Soil)
B18-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:34
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A

Page 165 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 169 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-48 (Soil)
B18-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:34
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A

Page 166 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 170 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-48 (Soil)
B18-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:34
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-125 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 86.5% 75-125 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A Surrogate: Toluene-d8 95.0% 75-125 06/28/23 10:00 06/29/23 03:17 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/27/23 21:39 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 83.9% 75-120 06/27/23 18:46 06/27/23 21:39 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 14:50 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 14:50 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 14:50 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 86.5% 75-125 06/28/23 09:05 06/29/23 14:50 B3F0393 TTN 3550B

Page 167 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 171 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-49 (Soil)
B18-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:36
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND D 2000 50000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Benzene ND D 2000 2000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Bromobenzene (Phenyl bromide) ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Bromochloromethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Bromodichloromethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Bromoform (Tribromomethane) ND D 2000 50000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Bromomethane (Methyl bromide) ND D 2000 30000 60000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 2-Butanone (MEK) ND D 2000 50000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A n-Butylbenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A sec-Butylbenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A tert-Butylbenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Carbon Disulfide ND D 2000 50000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Carbon tetrachloride ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Chlorobenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Chloroethane ND D 2000 30000 60000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 2-Chloroethyl vinyl ether ND D 2000 100000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Chloroform (Trichloromethane) ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Chloromethane (Methyl chloride) ND D 2000 30000 60000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 2-Chlorotoluene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 4-Chlorotoluene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Dibromochloromethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2-Dibromoethane (EDB) ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Dibromomethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2-Dichlorobenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,3-Dichlorobenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,4-Dichlorobenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Dichlorodifluoromethane ND D 2000 30000 60000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,1-Dichloroethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2-Dichloroethane (EDC) ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,1-Dichloroethene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A cis-1,2-Dichloroethene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A trans-1,2-Dichloroethene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2-Dichloropropane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A

Page 168 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 172 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-49 (Soil)
B18-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:36
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 2,2-Dichloropropane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,1-Dichloropropene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A cis-1,3-Dichloropropene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A trans-1,3-Dichloropropene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Ethylbenzene 26700 DIL 2000 2000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Hexachlorobutadiene ND D 2000 30000 60000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 2-Hexanone ND D 2000 50000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Iodomethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Isopropylbenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A p-Isopropyltoluene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 4-Methyl-2-pentanone (MIBK) ND D 2000 50000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Methylene chloride (DCM) ND D 2000 50000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Naphthalene 39000 DIL 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A n-Propylbenzene 39900 DIL 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Styrene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,1,1,2-Tetrachloroethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,1,2,2-Tetrachloroethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Tetrachloroethene ND D 2000 4000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Toluene (Methyl benzene) ND D 2000 2000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2,3-Trichlorobenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2,4-Trichlorobenzene ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,1,1-Trichloroethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,1,2-Trichloroethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Trichloroethene ND D 2000 3000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Trichlorofluoromethane ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Trichlorotrifluoroethane (Freon-113) ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2,3-Trichloropropane ND D 2000 2000 10000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,2,4-Trimethylbenzene 327000 DIL 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A 1,3,5-Trimethylbenzene 112000 DIL 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Vinyl Acetate ND D 2000 50000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Vinyl chloride (Chloroethene) ND D 2000 10000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A o-Xylene 106000 DIL 2000 2000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A m,p-Xylenes 210000 DIL 2000 2000 40000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A tert-Butyl alcohol (TBA) ND D 2000 20000 100000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Diisopropyl ether (DIPE) ND D 2000 4000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A

Page 169 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 173 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-49 (Soil)
B18-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:36
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND D 2000 200000 500000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Ethyl-tert-butyl ether (ETBE) ND D 2000 4000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Methyl-tert-butyl ether (MTBE) ND D 2000 4000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A tert-Amyl methyl ether (TAME) ND D 2000 4000 20000 ug/kg 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.8% 75-125 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Surrogate: Dibromofluoromethane 97.7% 75-125 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A Surrogate: Toluene-d8 96.3% 75-125 06/29/23 08:00 06/29/23 16:14 B3F0411 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)
3160 DIL 2000 232 400 mg/kg 06/27/23 18:27 06/28/23 04:01 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 113% 75-120 06/27/23 18:27 06/28/23 04:01 B3F0370 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) 863 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 16:22 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 16:22 B3F0393 TTN 3550B TPH Total as Diesel and
Heavy HC (C13-C40)
863 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 16:22 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 91.9% 75-125 06/28/23 09:05 06/29/23 16:22 B3F0393 TTN 3550B

Page 170 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 174 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-50 (Soil)
B18-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:42
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A sec-Butylbenzene 11.9 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A

Page 171 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 175 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-50 (Soil)
B18-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:42
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Ethylbenzene 20.4 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Isopropylbenzene 7.64 J 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Naphthalene 102 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A n-Propylbenzene 43.5 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Trichloroethene 3.13 J 1 1.50 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,2,4-Trimethylbenzene 340 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A 1,3,5-Trimethylbenzene 106 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A o-Xylene 41.3 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A m,p-Xylenes 92.0 1 1.00 20.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A

Page 172 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 176 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-50 (Soil)
B18-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 13:42
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Surrogate: Dibromofluoromethane 98.9% 75-125 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A Surrogate: Toluene-d8 96.4% 75-125 06/29/23 08:00 06/29/23 15:02 B3F0411 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)

5.02 1 0.116 0.200 mg/kg 06/29/23 14:33 06/29/23 14:33 B3F0410 BK 5030 Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 110% 75-120 06/29/23 14:33 06/29/23 14:33 B3F0410 BK 5030 TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 17:05 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 17:05 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 17:05 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.9% 75-125 06/28/23 09:05 06/29/23 17:05 B3F0393 TTN 3550B

Page 173 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 177 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-51 (Soil)
B18-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:12
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A

Page 174 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 178 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-51 (Soil)
B18-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:12
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Ethylbenzene 3.09 J 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Naphthalene 55.3 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,2,4-Trimethylbenzene 14.3 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A o-Xylene 2.45 J 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A m,p-Xylenes 8.03 J 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A

Page 175 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 179 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-51 (Soil)
B18-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 14:12
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-125 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 86.1% 75-125 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A Surrogate: Toluene-d8 95.1% 75-125 06/28/23 10:00 06/29/23 00:35 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/28/23 12:28 06/28/23 18:36 B3F0389 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 96.8% 75-120 06/28/23 12:28 06/28/23 18:36 B3F0389 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 14:03 B3F0393 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 14:03 B3F0393 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:05 06/29/23 14:03 B3F0393 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.6% 75-125 06/28/23 09:05 06/29/23 14:03 B3F0393 TTN 3550B

Page 176 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 180 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-52 (Soil)
B19-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:09
TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:34 06/27/23 03:34 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.4% 75-120 06/27/23 03:34 06/27/23 03:34 B3F0356 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 15:54 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 15:54 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 15:54 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 78.8% 75-125 06/28/23 09:10 06/29/23 15:54 B3F0394 TTN 3550B

Page 177 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 181 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-53 (Soil)
B19-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:11
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A

Page 178 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 182 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-53 (Soil)
B19-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:11
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A

Page 179 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 183 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-53 (Soil)
B19-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:11
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 107% 75-125 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 83.7% 75-125 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A Surrogate: Toluene-d8 97.1% 75-125 06/28/23 10:00 06/29/23 01:08 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/28/23 12:28 06/28/23 19:17 B3F0389 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 97.6% 75-120 06/28/23 12:28 06/28/23 19:17 B3F0389 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 16:58 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 16:58 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 16:58 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 77.2% 75-125 06/28/23 09:10 06/29/23 16:58 B3F0394 TTN 3550B

Page 180 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 184 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-54 (Soil)
B19-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:15
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A

Page 181 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 185 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-54 (Soil)
B19-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:15
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A

Page 182 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 186 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-54 (Soil)
B19-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:15
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.7% 75-125 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Surrogate: Dibromofluoromethane 85.4% 75-125 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A Surrogate: Toluene-d8 102% 75-125 06/28/23 10:00 06/29/23 01:40 B3F0406 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/28/23 00:32 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 86.7% 75-120 06/27/23 18:46 06/28/23 00:32 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 18:03 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 18:03 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 18:03 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 91.5% 75-125 06/28/23 09:10 06/29/23 18:03 B3F0394 TTN 3550B

Page 183 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 187 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-55 (Soil)
B19-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:19
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A

Page 184 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 188 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-55 (Soil)
B19-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:19
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A

Page 185 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 189 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-55 (Soil)
B19-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:19
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-125 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Surrogate: Dibromofluoromethane 97.8% 75-125 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A Surrogate: Toluene-d8 96.7% 75-125 06/29/23 08:00 06/29/23 12:38 B3F0411 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/28/23 01:15 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 96.7% 75-120 06/27/23 18:46 06/28/23 01:15 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 18:54 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 18:54 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 18:54 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.6% 75-125 06/28/23 09:10 06/29/23 18:54 B3F0394 TTN 3550B

Page 186 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 190 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-56 (Soil)
B19-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:22
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A

Page 187 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 191 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-56 (Soil)
B19-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:22
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A

Page 188 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 192 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-56 (Soil)
B19-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:22
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Surrogate: Dibromofluoromethane 100% 75-125 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A Surrogate: Toluene-d8 97.0% 75-125 06/29/23 08:00 06/29/23 13:14 B3F0411 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/28/23 01:59 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 102% 75-120 06/27/23 18:46 06/28/23 01:59 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 19:39 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 19:39 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 19:39 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 95.5% 75-125 06/28/23 09:10 06/29/23 19:39 B3F0394 TTN 3550B

Page 189 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 193 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-57 (Soil)
B19-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:44
Metals Total
Method: EPA 6010B
Antimony 1.11 J 1 0.802 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Arsenic 2.35 J 1 1.68 4.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Barium 19.6 1 0.292 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Beryllium ND 1 1.00 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Cadmium ND 1 0.334 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Chromium 8.37 1 0.413 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Cobalt 4.69 1 0.394 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Copper 2.56 J 1 2.12 4.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Lead 3.10 1 0.307 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Molybdenum ND 1 0.588 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Nickel 4.14 1 1.24 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Selenium ND 1 2.04 4.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Silver 2.16 1 0.364 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Thallium ND 1 1.74 4.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Vanadium 24.5 1 0.485 2.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Zinc 23.0 1 1.54 4.00 mg/kg 07/05/23 15:34 07/06/23 13:17 B3G0051 LC 3050B Method: EPA 7471A
Mercury ND 1 0.0180 0.170 mg/kg 07/05/23 15:38 07/06/23 11:32 B3G0052 LE 7471A Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A

Page 190 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 194 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-57 (Soil)
B19-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:44
Volatile Organic Compounds (Continued)
sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Ethylbenzene 1.23 J 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A

Page 191 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 195 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-57 (Soil)
B19-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:44
Volatile Organic Compounds (Continued)
4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.6% 75-125 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Surrogate: Dibromofluoromethane 101% 75-125 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A Surrogate: Toluene-d8 97.2% 75-125 06/29/23 08:00 06/29/23 13:50 B3F0411 BK 5035A TPH Gasoline Range

Page 192 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 196 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-57 (Soil)
B19-30
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:44
TPH Gasoline Range (Continued)
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/28/23 02:42 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 103% 75-120 06/27/23 18:46 06/28/23 02:42 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 20:23 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 20:23 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 20:23 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 97.5% 75-125 06/28/23 09:10 06/29/23 20:23 B3F0394 TTN 3550B

Page 193 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 197 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-58 (Soil)
B19-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:52
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A

Page 194 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 198 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-58 (Soil)
B19-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:52
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A

Page 195 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 199 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-58 (Soil)
B19-35
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:52
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 97.5% 75-125 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Surrogate: Dibromofluoromethane 98.3% 75-125 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A Surrogate: Toluene-d8 97.0% 75-125 06/29/23 08:00 06/29/23 14:26 B3F0411 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)

0.731 1 0.116 0.200 mg/kg 06/27/23 18:46 06/28/23 03:24 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 116% 75-120 06/27/23 18:46 06/28/23 03:24 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 21:48 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 21:48 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 21:48 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.5% 75-125 06/28/23 09:10 06/29/23 21:48 B3F0394 TTN 3550B

Page 196 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 200 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-59 (Soil)
B19-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:59
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A

Page 197 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 201 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-59 (Soil)
B19-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:59
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A

Page 198 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 202 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-59 (Soil)
B19-40
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:59
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-125 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Surrogate: Dibromofluoromethane 87.6% 75-125 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A Surrogate: Toluene-d8 93.9% 75-125 06/28/23 10:00 06/29/23 12:20 B3F0407 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/28/23 04:08 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 105% 75-120 06/27/23 18:46 06/28/23 04:08 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 22:30 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 22:30 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 22:30 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 95.2% 75-125 06/28/23 09:10 06/29/23 22:30 B3F0394 TTN 3550B

Page 199 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 203 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-60 (Soil)
B22-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:54
TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 03:24 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 83.4% 75-120 06/27/23 03:24 06/27/23 03:24 B3F0357 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 23:12 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 23:12 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 23:12 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 89.0% 75-125 06/28/23 09:10 06/29/23 23:12 B3F0394 TTN 3550B

Page 200 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 204 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-61 (Soil)
B22-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:56
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A

Page 201 of 287 ends

The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 205 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-61 (Soil)
B22-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:56
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A

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The contents of this report apply to the sample(s) analyzed in accordance with the chain of custody document.

No duplication of this report is allowed, except in its entirety without written approval of the laboratory. Page 206 of 291 Attention:

Reported:

Weis Environmental LLC
1938 Kellogg Ave. Ste 116
Carlsbad, CA 92008 Dan Weis
07/06/2023 17:07
Project Number: [none]
AETL Job Number: BEF0216 5261 Arlington Avenue
Riverside, California
Site:

Project Name: 5261 Arlington Avenue
Analytical Results
Client ID:

Analyte Result RL
Analyzed
Qualifier Units Date/Time
BEF0216-61 (Soil)
B22-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:56
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 103% 75-125 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Surrogate: Dibromofluoromethane 89.9% 75-125 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A Surrogate: Toluene-d8 106% 75-125 06/28/23 10:00 06/29/23 12:53 B3F0407 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light HC.
(C4-C12)
ND 1 0.116 0.200 mg/kg 06/27/23 18:46 06/28/23 04:51 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 90.9% 75-120 06/27/23 18:46 06/28/23 04:51 B3F0371 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 23:53 B3F0394 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 23:53 B3F0394 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/28/23 09:10 06/29/23 23:53 B3F0394 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.0% 75-125 06/28/23 09:10 06/29/23 23:53 B3F0394 TTN 3550B

Page 203 of 287 ends

Riverside City CouncilSeptember 17, 2024

Riverside City Council
September 17, 2024