FEIR - Appendix D - Hazards — Riverside City Council, September 17, 2024 (part 9 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 15 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-16
Lab ID
Client ID
B21-20
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 11:01
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-17
Lab ID
Client ID
B21-25
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 11:09
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-18
Lab ID
Client ID
B14-1
Sample Date
Matrix Quantity of Containers
Soil 1
Method Analyte Units TAT
06/21/2023 11:22
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5

Page 12 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 16 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-19
Lab ID
Client ID
B14-5
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 11:25
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-20
Lab ID
Client ID
B14-10
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 11:30
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-21
Lab ID
Client ID
B14-15
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 11:34
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 13 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 17 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-22
Lab ID
Client ID
B14-20
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 11:39
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-23
Lab ID
Client ID
B17-1
Sample Date
Matrix Quantity of Containers
Soil 1
Method Analyte Units TAT
06/21/2023 12:29
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 BEF0216-24
Lab ID
Client ID
B17-5
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 12:31
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 14 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 18 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-25
Lab ID
Client ID
B17-10
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 12:34
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-26
Lab ID
Client ID
B17-15
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 12:38
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-27
Lab ID
Client ID
B17-20
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 12:40
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 15 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 19 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-28
Lab ID
Client ID
B17-25
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 12:54
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-29
Lab ID
Client ID
B17-30
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:06
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-30
Lab ID
Client ID
B17-35
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:14
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 16 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 20 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-31
Lab ID
Client ID
B15-1
Sample Date
Matrix Quantity of Containers
Soil 1
Method Analyte Units TAT
06/21/2023 10:20
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 BEF0216-32
Lab ID
Client ID
B15-5
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 10:22
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-33
Lab ID
Client ID
B15-10
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 10:25
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 17 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 21 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-34
Lab ID
Client ID
B15-15
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 10:28
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-35
Lab ID
Client ID
B15-20
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 10:31
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-36
Lab ID
Client ID
B16-1
Sample Date
Matrix Quantity of Containers
Soil 1
Method Analyte Units TAT
06/21/2023 14:14
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5

Page 18 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 22 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-37
Lab ID
Client ID
B16-5
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 14:29
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-38
Lab ID
Client ID
B16-10
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 14:35
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-39
Lab ID
Client ID
B16-15
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 14:41
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 19 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 23 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-40
Lab ID
Client ID
B16-20
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 14:53
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-41
Lab ID
Client ID
B16-25
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 15:07
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-42
Lab ID
Client ID
B16-30
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 15:16
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 20 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 24 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-43
Lab ID
Client ID
B16-35
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 15:29
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-44
Lab ID
Client ID
B16-40
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 15:42
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-45
Lab ID
Client ID
B17-40
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:22
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 21 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 25 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-46
Lab ID
Client ID
B18-1
Sample Date
Matrix Quantity of Containers
Soil 1
Method Analyte Units TAT
06/21/2023 13:28
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 BEF0216-47
Lab ID
Client ID
B18-5
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:30
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-48
Lab ID
Client ID
B18-10
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:34
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 22 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 26 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-49
Lab ID
Client ID
B18-15
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:36
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-50
Lab ID
Client ID
B18-20
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:42
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-51
Lab ID
Client ID
B18-25
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 14:12
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 23 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 27 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-52
Lab ID
Client ID
B19-1
Sample Date
Matrix Quantity of Containers
Soil 1
Method Analyte Units TAT
06/21/2023 8:09
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 BEF0216-53
Lab ID
Client ID
B19-5
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 8:11
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-54
Lab ID
Client ID
B19-10
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 8:15
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 24 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 28 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-55
Lab ID
Client ID
B19-15
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 8:19
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-56
Lab ID
Client ID
B19-20
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 8:22
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-57
Lab ID
Client ID
B19-30
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 8:44
EPA 6010B Title 22 Metals (SW-846) mg/kg 5
EPA 7471A Mercury Cold-Vapor Technique mg/kg 5
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 25 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 29 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-58
Lab ID
Client ID
B19-35
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 8:52
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-59
Lab ID
Client ID
B19-40
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 8:59
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-60
Lab ID
Client ID
B22-1
Sample Date
Matrix Quantity of Containers
Soil 1
Method Analyte Units TAT
06/21/2023 12:54
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5

Page 26 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 30 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-61
Lab ID
Client ID
B22-5
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 12:56
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-62
Lab ID
Client ID
B22-10
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:01
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-63
Lab ID
Client ID
B22-15
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:03
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5

Page 27 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 31 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-64
Lab ID
Client ID
B22-20
Sample Date
Matrix Quantity of Containers
Soil 5
Method Analyte Units TAT
06/21/2023 13:07
TPH as Diesel and Heavy Hydrocarbons Using mg/kg 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/kg 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/kg 5
BEF0216-65
Lab ID
Client ID
GW15
Sample Date
Matrix Quantity of Containers
Aqueous 4
Method Analyte Units TAT
06/21/2023 11:17
TPH as Diesel and Heavy Hydrocarbons Using mg/L 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/L 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/L 5
BEF0216-66
Lab ID
Client ID
GW19
Sample Date
Matrix Quantity of Containers
Aqueous 4
Method Analyte Units TAT
06/21/2023 9:15
TPH as Diesel and Heavy Hydrocarbons Using mg/L 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/L 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/L 5

Page 28 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 32 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications BEF0216-67
Lab ID
Client ID
GW49
Sample Date
Matrix Quantity of Containers
Aqueous 4
Method Analyte Units TAT
06/21/2023 15:20
TPH as Diesel and Heavy Hydrocarbons Using mg/L 5
GC/FID
EPA 8015B TPH

DRO/ORO
EPA 8015B TPH GRO TPH as Gasoline and Light Hydrocarbons mg/L 5 EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/L 5
BEF0216-68
Lab ID
Client ID
T.Blank 1
Sample Date
Matrix Quantity of Containers
Aqueous 2
Method Analyte Units TAT
06/21/2023 0:00
EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/L 5
BEF0216-69
Lab ID
Client ID
T.Blank 2
Sample Date
Matrix Quantity of Containers
Aqueous 2
Method Analyte Units TAT
06/21/2023 0:00
EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/L 5
BEF0216-70
Lab ID
Client ID
T.Blank 3
Sample Date
Matrix Quantity of Containers
Aqueous 2
Method Analyte Units TAT
06/21/2023 0:00

Page 29 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 33 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
Samples Received
(Continued)
AETL received the following samples on 06/22/2023 with the following specifications EPA 8260B VOC plus Oxygenates by GC/MS (SW846) ug/L 5
Total Number of Samples received: 70

Page 30 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 34 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
Positive Hits Summary
BEF0216-01 GW13
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 08:37
Sampled
EPA 8260B Tetrachloroethene 0.590 J ug/L 06/26/2023 16:04 EPA 8260B Trichlorotrifluoroethane (Freon-113) 0.690 J ug/L 06/26/2023 16:04 EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 0.00705 mg/L 06/26/2023 18:44 BEF0216-03 B25-5
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 09:08
Sampled
EPA 8260B Acetone 65.2 ug/kg 06/28/2023 12:17
EPA 8260B Benzene 1.30 J ug/kg 06/28/2023 12:17
BEF0216-08 B23-5
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 09:41
Sampled
EPA 8260B Benzene 1.13 J ug/kg 06/28/2023 14:41
BEF0216-09 B23-10
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 09:47
Sampled
EPA 8260B Benzene 1.99 J ug/kg 06/28/2023 15:17
EPA 8260B Toluene (Methyl benzene) 1.02 J ug/kg 06/28/2023 15:17 BEF0216-10 B23-15
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 09:52
Sampled
EPA 8260B Benzene 2.80 J ug/kg 06/28/2023 15:53
EPA 8260B Toluene (Methyl benzene) 1.59 J ug/kg 06/28/2023 15:53 [TOC_1]Positive Hits
Summary[TOC]

Page 31 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 35 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
Positive Hits Summary
(Continued)
BEF0216-13 B21-5
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 10:39
Sampled
EPA 8260B sec-Butylbenzene 2620 DIL, J ug/kg 06/29/2023 02:55 EPA 8260B Ethylbenzene 10400 DIL ug/kg 06/29/2023 02:55 EPA 8260B Isopropylbenzene 3410 DIL, J ug/kg 06/29/2023 02:55 EPA 8260B Naphthalene 15800 DIL ug/kg 06/29/2023 02:55
EPA 8260B n-Propylbenzene 13400 DIL ug/kg 06/29/2023 02:55 EPA 8260B 1,2,4-Trimethylbenzene 104000 DIL ug/kg 06/29/2023 02:55 EPA 8260B 1,3,5-Trimethylbenzene 37000 DIL ug/kg 06/29/2023 02:55 EPA 8260B o-Xylene 10100 DIL ug/kg 06/29/2023 02:55
EPA 8260B m,p-Xylenes 39700 DIL ug/kg 06/29/2023 02:55
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 2420 DIL mg/kg 06/28/2023 00:36 BEF0216-14 B21-10
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 10:46
Sampled
EPA 8260B sec-Butylbenzene 655 DIL ug/kg 06/29/2023 00:19 EPA 8260B Ethylbenzene 751 DIL ug/kg 06/29/2023 00:19
EPA 8260B Isopropylbenzene 405 DIL, J ug/kg 06/29/2023 00:19 EPA 8260B Naphthalene 6370 DIL ug/kg 06/29/2023 00:19
EPA 8260B n-Propylbenzene 2080 DIL ug/kg 06/29/2023 00:19 EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 553 DIL mg/kg 06/28/2023 12:28 BEF0216-17 B21-25
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 11:09
Sampled
EPA 8260B Ethylbenzene 6.44 J ug/kg 06/28/2023 23:38
EPA 8260B Naphthalene 6.93 J ug/kg 06/28/2023 23:38
EPA 8260B m,p-Xylenes 1.16 J ug/kg 06/28/2023 23:38
BEF0216-22 B14-20
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 11:39
Sampled
EPA 8260B Ethylbenzene 14.3 ug/kg 06/29/2023 01:25

Page 32 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 36 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
Positive Hits Summary
(Continued)
BEF0216-22 B14-20
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 11:39
Sampled
EPA 8260B 1,2,4-Trimethylbenzene 7.33 J ug/kg 06/29/2023 01:25 EPA 8260B m,p-Xylenes 6.59 J ug/kg 06/29/2023 01:25
BEF0216-26 B17-15
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 12:38
Sampled
EPA 8260B sec-Butylbenzene 3160 DIL, J ug/kg 06/29/2023 03:34 EPA 8260B Ethylbenzene 3300 DIL, J ug/kg 06/29/2023 03:34 EPA 8260B Naphthalene 59200 DIL ug/kg 06/29/2023 03:34
EPA 8260B n-Propylbenzene 10700 DIL ug/kg 06/29/2023 03:34 EPA 8260B 1,2,4-Trimethylbenzene 172000 DIL ug/kg 06/29/2023 03:34 EPA 8260B 1,3,5-Trimethylbenzene 50600 DIL ug/kg 06/29/2023 03:34 EPA 8260B o-Xylene 23100 DIL ug/kg 06/29/2023 03:34
EPA 8260B m,p-Xylenes 33800 DIL ug/kg 06/29/2023 03:34
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 2280 DIL mg/kg 06/28/2023 01:58 EPA 8015B TPH DRO/ORO TPH as Diesel (C13-C22) 293 mg/kg 06/28/2023 15:38 EPA 8015B TPH DRO/ORO TPH Total as Diesel and Heavy HC (C13-C40) 293 mg/kg 06/28/2023 15:38 BEF0216-27 B17-20
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 12:40
Sampled
EPA 8260B Ethylbenzene 108000 DIL ug/kg 06/29/2023 16:50 EPA 8260B Naphthalene 30700 DIL, J ug/kg 06/29/2023 16:50 EPA 8260B n-Propylbenzene 44100 DIL, J ug/kg 06/29/2023 16:50 EPA 8260B Toluene (Methyl benzene) 8900 DIL, J ug/kg 06/29/2023 16:50 EPA 8260B 1,2,4-Trimethylbenzene 269000 DIL ug/kg 06/29/2023 16:50 EPA 8260B 1,3,5-Trimethylbenzene 88400 DIL ug/kg 06/29/2023 16:50 EPA 8260B o-Xylene 244000 DIL ug/kg 06/29/2023 16:50
EPA 8260B m,p-Xylenes 621000 DIL ug/kg 06/29/2023 16:50 EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 3420 DIL mg/kg 06/28/2023 02:38 EPA 8015B TPH DRO/ORO TPH as Diesel (C13-C22) 63.9 mg/kg 06/28/2023 16:59 EPA 8015B TPH DRO/ORO TPH Total as Diesel and Heavy HC (C13-C40) 63.9 mg/kg 06/28/2023 16:59

Page 33 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 37 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
Positive Hits Summary
(Continued)
BEF0216-28 B17-25
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 12:54
Sampled
EPA 8260B Naphthalene 8.38 J ug/kg 06/29/2023 15:05
EPA 8260B m,p-Xylenes 1.78 J ug/kg 06/29/2023 15:05
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 2.10 mg/kg 06/27/2023 04:08 BEF0216-29 B17-30
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 13:06
Sampled
EPA 8260B sec-Butylbenzene 704 DIL ug/kg 06/29/2023 00:58 EPA 8260B Ethylbenzene 5370 DIL ug/kg 06/29/2023 00:58
EPA 8260B Isopropylbenzene 1010 DIL ug/kg 06/29/2023 00:58 EPA 8260B Naphthalene 4800 DIL ug/kg 06/29/2023 00:58
EPA 8260B n-Propylbenzene 4080 DIL ug/kg 06/29/2023 00:58 EPA 8260B 1,2,4-Trimethylbenzene 2860 DIL ug/kg 06/29/2023 00:58 EPA 8260B 1,3,5-Trimethylbenzene 1490 DIL ug/kg 06/29/2023 00:58 EPA 8260B m,p-Xylenes 68.0 DIL, J ug/kg 06/29/2023 00:58 EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 377 DIL mg/kg 06/28/2023 13:09 BEF0216-31 B15-1
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 10:20
Sampled
EPA 8015B TPH DRO/ORO TPH as Diesel (C13-C22) 49.1 mg/kg 06/28/2023 19:35 EPA 8015B TPH DRO/ORO TPH as Heavy Hydrocarbons (C23-40) 988 mg/kg 06/28/2023 19:35 EPA 8015B TPH DRO/ORO TPH Total as Diesel and Heavy HC (C13-C40) 1040 mg/kg 06/28/2023 19:35 BEF0216-32 B15-5
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 10:22
Sampled
EPA 8260B Benzene 1.97 J ug/kg 06/29/2023 03:48

Page 34 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 38 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
Positive Hits Summary
(Continued)
BEF0216-40 B16-20
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 14:53
Sampled
EPA 8260B Ethylbenzene 11.1 ug/kg 06/28/2023 22:26
EPA 8260B Naphthalene 22.7 ug/kg 06/28/2023 22:26
EPA 8260B n-Propylbenzene 5.04 J ug/kg 06/28/2023 22:26 EPA 8260B 1,2,4-Trimethylbenzene 15.5 ug/kg 06/28/2023 22:26 EPA 8260B o-Xylene 2.51 J ug/kg 06/28/2023 22:26
EPA 8260B m,p-Xylenes 5.97 J ug/kg 06/28/2023 22:26
BEF0216-41 B16-25
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 15:07
Sampled
EPA 8260B sec-Butylbenzene 6.31 J ug/kg 06/28/2023 22:59 EPA 8260B Ethylbenzene 128 ug/kg 06/28/2023 22:59
EPA 8260B Isopropylbenzene 20.7 ug/kg 06/28/2023 22:59
EPA 8260B Naphthalene 41.3 ug/kg 06/28/2023 22:59
EPA 8260B n-Propylbenzene 77.6 ug/kg 06/28/2023 22:59
EPA 8260B 1,2,4-Trimethylbenzene 136 ug/kg 06/28/2023 22:59 EPA 8260B 1,3,5-Trimethylbenzene 44.1 ug/kg 06/28/2023 22:59 EPA 8260B o-Xylene 36.6 ug/kg 06/28/2023 22:59
EPA 8260B m,p-Xylenes 166 ug/kg 06/28/2023 22:59
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 2.14 mg/kg 06/27/2023 11:34 BEF0216-42 B16-30
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 15:16
Sampled
EPA 8260B n-Butylbenzene 36.1 ug/kg 06/28/2023 23:31
EPA 8260B sec-Butylbenzene 9.18 J ug/kg 06/28/2023 23:31 EPA 8260B Ethylbenzene 28.9 ug/kg 06/28/2023 23:31
EPA 8260B Isopropylbenzene 7.42 J ug/kg 06/28/2023 23:31 EPA 8260B Naphthalene 132 ug/kg 06/28/2023 23:31
EPA 8260B n-Propylbenzene 30.3 ug/kg 06/28/2023 23:31
EPA 8260B 1,2,4-Trimethylbenzene 32.0 ug/kg 06/28/2023 23:31 EPA 8260B 1,3,5-Trimethylbenzene 8.82 J ug/kg 06/28/2023 23:31 EPA 8260B o-Xylene 2.72 J ug/kg 06/28/2023 23:31
EPA 8260B m,p-Xylenes 4.54 J ug/kg 06/28/2023 23:31

Page 35 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 39 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
Positive Hits Summary
(Continued)
BEF0216-42 B16-30
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 15:16
Sampled
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 0.776 mg/kg 06/27/2023 21:52 BEF0216-45 B17-40
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 13:22
Sampled
EPA 8260B Ethylbenzene 2.92 J ug/kg 06/29/2023 11:48
EPA 8260B 1,2,4-Trimethylbenzene 8.57 J ug/kg 06/29/2023 11:48 EPA 8260B o-Xylene 2.15 J ug/kg 06/29/2023 11:48
EPA 8260B m,p-Xylenes 4.88 J ug/kg 06/29/2023 11:48
BEF0216-49 B18-15
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 13:36
Sampled
EPA 8260B Ethylbenzene 26700 DIL ug/kg 06/29/2023 16:14 EPA 8260B Naphthalene 39000 DIL ug/kg 06/29/2023 16:14
EPA 8260B n-Propylbenzene 39900 DIL ug/kg 06/29/2023 16:14 EPA 8260B 1,2,4-Trimethylbenzene 327000 DIL ug/kg 06/29/2023 16:14 EPA 8260B 1,3,5-Trimethylbenzene 112000 DIL ug/kg 06/29/2023 16:14 EPA 8260B o-Xylene 106000 DIL ug/kg 06/29/2023 16:14
EPA 8260B m,p-Xylenes 210000 DIL ug/kg 06/29/2023 16:14 EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 3160 DIL mg/kg 06/28/2023 04:01 EPA 8015B TPH DRO/ORO TPH as Diesel (C13-C22) 863 mg/kg 06/29/2023 16:22 EPA 8015B TPH DRO/ORO TPH Total as Diesel and Heavy HC (C13-C40) 863 mg/kg 06/29/2023 16:22 BEF0216-50 B18-20
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 13:42
Sampled
EPA 8260B sec-Butylbenzene 11.9 ug/kg 06/29/2023 15:02
EPA 8260B Ethylbenzene 20.4 ug/kg 06/29/2023 15:02
EPA 8260B Isopropylbenzene 7.64 J ug/kg 06/29/2023 15:02 EPA 8260B Naphthalene 102 ug/kg 06/29/2023 15:02
EPA 8260B n-Propylbenzene 43.5 ug/kg 06/29/2023 15:02

Page 36 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 40 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
Positive Hits Summary
(Continued)
BEF0216-50 B18-20
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 13:42
Sampled
EPA 8260B Trichloroethene 3.13 J ug/kg 06/29/2023 15:02 EPA 8260B 1,2,4-Trimethylbenzene 340 ug/kg 06/29/2023 15:02 EPA 8260B 1,3,5-Trimethylbenzene 106 ug/kg 06/29/2023 15:02 EPA 8260B o-Xylene 41.3 ug/kg 06/29/2023 15:02
EPA 8260B m,p-Xylenes 92.0 ug/kg 06/29/2023 15:02
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 5.02 mg/kg 06/29/2023 14:33 BEF0216-51 B18-25
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 14:12
Sampled
EPA 8260B Ethylbenzene 3.09 J ug/kg 06/29/2023 00:35
EPA 8260B Naphthalene 55.3 ug/kg 06/29/2023 00:35
EPA 8260B 1,2,4-Trimethylbenzene 14.3 ug/kg 06/29/2023 00:35 EPA 8260B o-Xylene 2.45 J ug/kg 06/29/2023 00:35
EPA 8260B m,p-Xylenes 8.03 J ug/kg 06/29/2023 00:35
BEF0216-57 B19-30
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 08:44
Sampled
EPA 6010B Antimony 1.11 J mg/kg 07/06/2023 13:17
EPA 6010B Arsenic 2.35 J mg/kg 07/06/2023 13:17
EPA 6010B Barium 19.6 mg/kg 07/06/2023 13:17
EPA 6010B Chromium 8.37 mg/kg 07/06/2023 13:17
EPA 6010B Cobalt 4.69 mg/kg 07/06/2023 13:17
EPA 6010B Copper 2.56 J mg/kg 07/06/2023 13:17
EPA 6010B Lead 3.10 mg/kg 07/06/2023 13:17
EPA 6010B Nickel 4.14 mg/kg 07/06/2023 13:17
EPA 6010B Silver 2.16 mg/kg 07/06/2023 13:17
EPA 6010B Vanadium 24.5 mg/kg 07/06/2023 13:17
EPA 6010B Zinc 23.0 mg/kg 07/06/2023 13:17
EPA 8260B Ethylbenzene 1.23 J ug/kg 06/29/2023 13:50

Page 37 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 41 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
Positive Hits Summary
(Continued)
BEF0216-58 B19-35
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 08:52
Sampled
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 0.731 mg/kg 06/28/2023 03:24 BEF0216-65 GW15
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 11:17
Sampled
EPA 8260B Trichloroethene 15.8 ug/L 06/26/2023 16:37
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 0.00632 mg/L 06/26/2023 19:28 BEF0216-66 GW19
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 09:15
Sampled
EPA 8260B sec-Butylbenzene 6.23 ug/L 06/26/2023 17:46
EPA 8260B Ethylbenzene 2.78 ug/L 06/26/2023 17:46
EPA 8260B Naphthalene 1.80 ug/L 06/26/2023 17:46
EPA 8260B n-Propylbenzene 1.11 ug/L 06/26/2023 17:46
EPA 8260B Trichloroethene 1.32 ug/L 06/26/2023 17:46
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 1.14 DIL mg/L 06/26/2023 21:38 EPA 8015B TPH DRO/ORO TPH as Diesel (C13-C22) 0.346 mg/L 06/30/2023 06:43 EPA 8015B TPH DRO/ORO TPH Total as Diesel and Heavy HC (C13-C40) 0.346 mg/L 06/30/2023 06:43 BEF0216-67 GW49
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 15:20
Sampled
EPA 8260B Acetone 17.6 ug/L 06/26/2023 17:11
EPA 8260B sec-Butylbenzene 0.850 J ug/L 06/26/2023 17:11 EPA 8260B Ethylbenzene 17.5 ug/L 06/26/2023 17:11
EPA 8260B Isopropylbenzene 1.56 ug/L 06/26/2023 17:11
EPA 8260B Naphthalene 13.8 ug/L 06/26/2023 17:11
EPA 8260B n-Propylbenzene 6.32 ug/L 06/26/2023 17:11
EPA 8260B Trichloroethene 6.71 ug/L 06/26/2023 17:11
EPA 8260B Trichlorotrifluoroethane (Freon-113) 0.610 J ug/L 06/26/2023 17:11 EPA 8260B 1,2,4-Trimethylbenzene 19.6 ug/L 06/26/2023 17:11

Page 38 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 42 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
Positive Hits Summary
(Continued)
BEF0216-67 GW49
Method Analyte Result Unit Analyzed
Lab ID Client ID
Qualifier
06/21/2023 15:20
Sampled
EPA 8260B o-Xylene 8.90 ug/L 06/26/2023 17:11
EPA 8260B m,p-Xylenes 18.4 ug/L 06/26/2023 17:11
EPA 8015B TPH GRO TPH as Gasoline and Light HC. (C4-C12) 0.183 mg/L 06/26/2023 20:11 EPA 8015B TPH DRO/ORO TPH as Diesel (C13-C22) 0.116 mg/L 06/30/2023 07:24 EPA 8015B TPH DRO/ORO TPH Total as Diesel and Heavy HC (C13-C40) 0.116 mg/L 06/30/2023 07:24

Page 39 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 43 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
BEF0216-01 (Aqueous)
GW13
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:37
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 5.00 10.0 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Benzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Bromobenzene (Phenyl bromide) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Bromochloromethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Bromodichloromethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Bromoform (Tribromomethane) ND 1 2.50 5.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Bromomethane (Methyl bromide) ND 1 1.50 3.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 2-Butanone (MEK) ND 1 5.00 10.0 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B n-Butylbenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B sec-Butylbenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B tert-Butylbenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Carbon Disulfide ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Carbon tetrachloride ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Chlorobenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Chloroethane ND 1 1.50 3.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 2-Chloroethyl vinyl ether ND 1 2.50 5.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Chloroform (Trichloromethane) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Chloromethane (Methyl chloride) ND 1 1.50 3.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 2-Chlorotoluene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 4-Chlorotoluene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2-Dibromo-3-chloropropane (DBCP) ND 1 2.50 5.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Dibromochloromethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2-Dibromoethane (EDB) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Dibromomethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2-Dichlorobenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,3-Dichlorobenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,4-Dichlorobenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Dichlorodifluoromethane ND 1 1.50 3.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,1-Dichloroethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2-Dichloroethane (EDC) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,1-Dichloroethene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B cis-1,2-Dichloroethene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B trans-1,2-Dichloroethene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2-Dichloropropane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B [TOC_1]Analytical
Results[TOC]

Page 40 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 44 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
BEF0216-01 (Aqueous)
GW13
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:37
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 2,2-Dichloropropane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,1-Dichloropropene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B cis-1,3-Dichloropropene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B trans-1,3-Dichloropropene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Ethylbenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Hexachlorobutadiene ND 1 1.50 3.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 2-Hexanone ND 1 2.50 5.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Iodomethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Isopropylbenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B p-Isopropyltoluene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 4-Methyl-2-pentanone (MIBK) ND 1 2.50 5.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Methylene chloride (DCM) ND 1 5.00 10.0 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Naphthalene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B n-Propylbenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Styrene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,1,1,2-Tetrachloroethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,1,2,2-Tetrachloroethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Tetrachloroethene 0.590 J 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Toluene (Methyl benzene) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2,3-Trichlorobenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2,4-Trichlorobenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,1,1-Trichloroethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,1,2-Trichloroethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Trichloroethene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Trichlorofluoromethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Trichlorotrifluoroethane
(Freon-113)

0.690 J 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2,3-Trichloropropane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,2,4-Trimethylbenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B 1,3,5-Trimethylbenzene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Vinyl Acetate ND 1 0.500 5.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Vinyl chloride (Chloroethene) ND 1 0.500 3.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B o-Xylene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B m,p-Xylenes ND 1 1.00 2.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B

Page 41 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 45 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
BEF0216-01 (Aqueous)
GW13
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 8:37
Volatile Organic Compounds (Continued)
Diisopropyl ether (DIPE) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Ethyl alcohol (Ethanol) ND 1 250 500 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Ethyl-tert-butyl ether (ETBE) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Methyl-tert-butyl ether (MTBE) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B tert-Amyl methyl ether (TAME) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Acrylonitrile (2-Propenenitrile) ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Hexachloroethane ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B trans-1,4-Dichloro-2-butene ND 1 0.500 1.00 ug/L 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 102% 75-125 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Surrogate: Dibromofluoromethane 122% 75-125 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B Surrogate: Toluene-d8 100% 75-125 06/26/23 09:00 06/26/23 16:04 B3F0342 DK 5030B TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)

0.00705 1 0.00500 0.0100 mg/L 06/26/23 14:25 06/26/23 18:44 B3F0348 BK 5030B Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 104% 75-120 06/26/23 14:25 06/26/23 18:44 B3F0348 BK 5030B TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) ND 1 0.0123 0.100 mg/L 06/27/23 08:51 06/30/23 04:41 B3F0360 TTN 3510C TPH as Heavy Hydrocarbons (C23-40) ND 1 0.0123 0.100 mg/L 06/27/23 08:51 06/30/23 04:41 B3F0360 TTN 3510C TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 0.0123 0.100 mg/L 06/27/23 08:51 06/30/23 04:41 B3F0360 TTN 3510C Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.0% 60-125 06/27/23 08:51 06/30/23 04:41 B3F0360 TTN 3510C

Page 42 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 46 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
BEF0216-02 (Soil)
B25-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:00
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 19:49 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-120 06/27/23 18:27 06/27/23 19:49 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 06/27/23 08:27 06/27/23 22:35 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/27/23 22:35 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/27/23 22:35 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 98.4% 75-125 06/27/23 08:27 06/27/23 22:35 B3F0358 TTN 3550B

Page 43 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 47 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
BEF0216-03 (Soil)
B25-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:08
Volatile Organic Compounds
Method: EPA 8260B
Acetone 65.2 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Benzene 1.30 J 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A

Page 44 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 48 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
BEF0216-03 (Soil)
B25-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:08
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A

Page 45 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 49 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
BEF0216-03 (Soil)
B25-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:08
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.2% 75-125 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 12:17 06/28/23 12:17 B3F0388 BK 5035A Surrogate: Toluene-d8 94.5% 75-125 06/28/23 12:17 06/28/23 12:17 B3F0388 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 06/26/23 13:13 06/26/23 20:44 B3F0339 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 114% 75-120 06/26/23 13:13 06/26/23 20:44 B3F0339 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 08:27 06/27/23 23:13 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/27/23 23:13 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/27/23 23:13 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.6% 75-125 06/27/23 08:27 06/27/23 23:13 B3F0358 TTN 3550B

Page 46 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 50 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
BEF0216-04 (Soil)
B25-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:14
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A

Page 47 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 51 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
BEF0216-04 (Soil)
B25-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:14
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A

Page 48 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 52 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
BEF0216-04 (Soil)
B25-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:14
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.2% 75-125 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 12:17 06/28/23 12:53 B3F0388 BK 5035A Surrogate: Toluene-d8 96.0% 75-125 06/28/23 12:17 06/28/23 12:53 B3F0388 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 06/26/23 13:13 06/26/23 21:25 B3F0339 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 106% 75-120 06/26/23 13:13 06/26/23 21:25 B3F0339 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 08:27 06/27/23 23:50 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/27/23 23:50 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/27/23 23:50 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 86.9% 75-125 06/27/23 08:27 06/27/23 23:50 B3F0358 TTN 3550B

Page 49 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 53 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
BEF0216-05 (Soil)
B25-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:26
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A

Page 50 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 54 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
BEF0216-05 (Soil)
B25-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:26
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A

Page 51 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 55 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
BEF0216-05 (Soil)
B25-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:26
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-125 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 12:17 06/28/23 13:29 B3F0388 BK 5035A Surrogate: Toluene-d8 95.3% 75-125 06/28/23 12:17 06/28/23 13:29 B3F0388 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 06/26/23 13:13 06/26/23 22:06 B3F0339 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 117% 75-120 06/26/23 13:13 06/26/23 22:06 B3F0339 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 08:27 06/28/23 00:27 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 00:27 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 00:27 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.5% 75-125 06/27/23 08:27 06/28/23 00:27 B3F0358 TTN 3550B

Page 52 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 56 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
BEF0216-06 (Soil)
B25-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:30
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A

Page 53 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 57 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
BEF0216-06 (Soil)
B25-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:30
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A

Page 54 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 58 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
BEF0216-06 (Soil)
B25-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:30
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.3% 75-125 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 106% 75-125 06/28/23 12:17 06/28/23 14:05 B3F0388 BK 5035A Surrogate: Toluene-d8 97.1% 75-125 06/28/23 12:17 06/28/23 14:05 B3F0388 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 03:34 06/27/23 04:15 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 113% 75-120 06/27/23 03:34 06/27/23 04:15 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 06/27/23 08:27 06/28/23 01:41 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 01:41 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 01:41 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.2% 75-125 06/27/23 08:27 06/28/23 01:41 B3F0358 TTN 3550B

Page 55 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 59 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
BEF0216-07 (Soil)
B23-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:35
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 20:29 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 104% 75-120 06/27/23 18:27 06/27/23 20:29 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 06/27/23 08:27 06/28/23 02:18 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 02:18 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 02:18 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.9% 75-125 06/27/23 08:27 06/28/23 02:18 B3F0358 TTN 3550B

Page 56 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 60 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
BEF0216-08 (Soil)
B23-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:41
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Benzene 1.13 J 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A

Page 57 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 61 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
BEF0216-08 (Soil)
B23-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:41
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A

Page 58 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 62 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
BEF0216-08 (Soil)
B23-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:41
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.6% 75-125 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 106% 75-125 06/28/23 12:17 06/28/23 14:41 B3F0388 BK 5035A Surrogate: Toluene-d8 94.6% 75-125 06/28/23 12:17 06/28/23 14:41 B3F0388 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 03:34 06/27/23 04:56 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 116% 75-120 06/27/23 03:34 06/27/23 04:56 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 06/27/23 08:27 06/28/23 02:54 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 02:54 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 02:54 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 89.2% 75-125 06/27/23 08:27 06/28/23 02:54 B3F0358 TTN 3550B

Page 59 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 63 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
BEF0216-09 (Soil)
B23-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:47
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Benzene 1.99 J 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A

Page 60 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 64 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
BEF0216-09 (Soil)
B23-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:47
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Toluene (Methyl benzene) 1.02 J 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A

Page 61 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 65 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
BEF0216-09 (Soil)
B23-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:47
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.8% 75-125 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 12:17 06/28/23 15:17 B3F0388 BK 5035A Surrogate: Toluene-d8 94.1% 75-125 06/28/23 12:17 06/28/23 15:17 B3F0388 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 03:34 06/27/23 05:37 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 104% 75-120 06/27/23 03:34 06/27/23 05:37 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 06/27/23 08:27 06/28/23 03:31 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 03:31 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 03:31 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.6% 75-125 06/27/23 08:27 06/28/23 03:31 B3F0358 TTN 3550B

Page 62 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 66 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
BEF0216-10 (Soil)
B23-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:52
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Benzene 2.80 J 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A

Page 63 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 67 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
BEF0216-10 (Soil)
B23-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:52
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Toluene (Methyl benzene) 1.59 J 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A

Page 64 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 68 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
BEF0216-10 (Soil)
B23-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 9:52
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.8% 75-125 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 12:17 06/28/23 15:53 B3F0388 BK 5035A Surrogate: Toluene-d8 96.9% 75-125 06/28/23 12:17 06/28/23 15:53 B3F0388 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 03:34 06/27/23 06:18 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 117% 75-120 06/27/23 03:34 06/27/23 06:18 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 06/27/23 08:27 06/28/23 04:07 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 04:07 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 04:07 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.0% 75-125 06/27/23 08:27 06/28/23 04:07 B3F0358 TTN 3550B

Page 65 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 69 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
BEF0216-11 (Soil)
B23-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:07
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A

Page 66 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 70 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
BEF0216-11 (Soil)
B23-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:07
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A

Page 67 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 71 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
BEF0216-11 (Soil)
B23-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:07
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 106% 75-125 06/28/23 12:17 06/28/23 16:29 B3F0388 BK 5035A Surrogate: Toluene-d8 94.4% 75-125 06/28/23 12:17 06/28/23 16:29 B3F0388 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 03:34 06/27/23 06:59 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 110% 75-120 06/27/23 03:34 06/27/23 06:59 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 06/27/23 08:27 06/28/23 04:44 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 04:44 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 04:44 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.9% 75-125 06/27/23 08:27 06/28/23 04:44 B3F0358 TTN 3550B

Page 68 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 72 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
BEF0216-12 (Soil)
B21-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:37
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 18:46 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 106% 75-120 06/27/23 18:46 06/27/23 18:46 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 06/27/23 08:27 06/28/23 05:20 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 05:20 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 05:20 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.6% 75-125 06/27/23 08:27 06/28/23 05:20 B3F0358 TTN 3550B

Page 69 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 73 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
BEF0216-13 (Soil)
B21-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:39
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Benzene ND D 500 500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Bromobenzene (Phenyl bromide) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Bromochloromethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Bromodichloromethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Bromoform (Tribromomethane) ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Bromomethane (Methyl bromide) ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 2-Butanone (MEK) ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A n-Butylbenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A sec-Butylbenzene 2620 DIL, J 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A tert-Butylbenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Carbon Disulfide ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Carbon tetrachloride ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Chlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Chloroethane ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 2-Chloroethyl vinyl ether ND D 500 25000 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Chloroform (Trichloromethane) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Chloromethane (Methyl chloride) ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 2-Chlorotoluene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 4-Chlorotoluene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Dibromochloromethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2-Dibromoethane (EDB) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Dibromomethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2-Dichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,3-Dichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,4-Dichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Dichlorodifluoromethane ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,1-Dichloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2-Dichloroethane (EDC) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,1-Dichloroethene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A cis-1,2-Dichloroethene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A trans-1,2-Dichloroethene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2-Dichloropropane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A

Page 70 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 74 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
BEF0216-13 (Soil)
B21-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:39
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 2,2-Dichloropropane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,1-Dichloropropene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A cis-1,3-Dichloropropene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A trans-1,3-Dichloropropene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Ethylbenzene 10400 DIL 500 500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Hexachlorobutadiene ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 2-Hexanone ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Iodomethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Isopropylbenzene 3410 DIL, J 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A p-Isopropyltoluene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 4-Methyl-2-pentanone (MIBK) ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Methylene chloride (DCM) ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Naphthalene 15800 DIL 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A n-Propylbenzene 13400 DIL 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Styrene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,1,1,2-Tetrachloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,1,2,2-Tetrachloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Tetrachloroethene ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Toluene (Methyl benzene) ND D 500 500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2,3-Trichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2,4-Trichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,1,1-Trichloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,1,2-Trichloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Trichloroethene ND D 500 750 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Trichlorofluoromethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Trichlorotrifluoroethane (Freon-113) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2,3-Trichloropropane ND D 500 500 2500 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,2,4-Trimethylbenzene 104000 DIL 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A 1,3,5-Trimethylbenzene 37000 DIL 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Vinyl Acetate ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Vinyl chloride (Chloroethene) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A o-Xylene 10100 DIL 500 500 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A m,p-Xylenes 39700 DIL 500 500 10000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A tert-Butyl alcohol (TBA) ND D 500 5000 25000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Diisopropyl ether (DIPE) ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A

Page 71 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 75 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
BEF0216-13 (Soil)
B21-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:39
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND D 500 50000 125000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Ethyl-tert-butyl ether (ETBE) ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Methyl-tert-butyl ether (MTBE) ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A tert-Amyl methyl ether (TAME) ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 103% 75-125 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Surrogate: Dibromofluoromethane 103% 75-125 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A Surrogate: Toluene-d8 96.6% 75-125 06/28/23 10:00 06/29/23 02:55 B3F0382 DA 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)
2420 DIL 2000 232 400 mg/kg 06/27/23 18:27 06/28/23 00:36 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 93.0% 75-120 06/27/23 18:27 06/28/23 00:36 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 06/27/23 08:27 06/28/23 05:57 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 05:57 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 05:57 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 89.5% 75-125 06/27/23 08:27 06/28/23 05:57 B3F0358 TTN 3550B

Page 72 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 76 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
BEF0216-14 (Soil)
B21-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:46
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Benzene ND D 50 50.0 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Bromobenzene (Phenyl bromide) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Bromochloromethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Bromodichloromethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Bromoform (Tribromomethane) ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Bromomethane (Methyl bromide) ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 2-Butanone (MEK) ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A n-Butylbenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A sec-Butylbenzene 655 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A tert-Butylbenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Carbon Disulfide ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Carbon tetrachloride ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Chlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Chloroethane ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 2-Chloroethyl vinyl ether ND D 50 2500 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Chloroform (Trichloromethane) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Chloromethane (Methyl chloride) ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 2-Chlorotoluene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 4-Chlorotoluene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Dibromochloromethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2-Dibromoethane (EDB) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Dibromomethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2-Dichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,3-Dichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,4-Dichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Dichlorodifluoromethane ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,1-Dichloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2-Dichloroethane (EDC) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,1-Dichloroethene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A cis-1,2-Dichloroethene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A trans-1,2-Dichloroethene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2-Dichloropropane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A

Page 73 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 77 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
BEF0216-14 (Soil)
B21-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:46
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 2,2-Dichloropropane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,1-Dichloropropene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A cis-1,3-Dichloropropene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A trans-1,3-Dichloropropene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Ethylbenzene 751 DIL 50 50.0 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Hexachlorobutadiene ND D 50 750 1500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 2-Hexanone ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Iodomethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Isopropylbenzene 405 DIL, J 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A p-Isopropyltoluene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 4-Methyl-2-pentanone (MIBK) ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Methylene chloride (DCM) ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Naphthalene 6370 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A n-Propylbenzene 2080 DIL 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Styrene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,1,1,2-Tetrachloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,1,2,2-Tetrachloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Tetrachloroethene ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Toluene (Methyl benzene) ND D 50 50.0 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2,3-Trichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2,4-Trichlorobenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,1,1-Trichloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,1,2-Trichloroethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Trichloroethene ND D 50 75.0 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Trichlorofluoromethane ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Trichlorotrifluoroethane (Freon-113) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2,3-Trichloropropane ND D 50 50.0 250 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,2,4-Trimethylbenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A 1,3,5-Trimethylbenzene ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Vinyl Acetate ND D 50 1250 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Vinyl chloride (Chloroethene) ND D 50 250 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A o-Xylene ND D 50 50.0 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A m,p-Xylenes ND D 50 50.0 1000 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A tert-Butyl alcohol (TBA) ND D 50 500 2500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Diisopropyl ether (DIPE) ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A

Page 74 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 78 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
BEF0216-14 (Soil)
B21-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:46
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND D 50 5000 12500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Ethyl-tert-butyl ether (ETBE) ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Methyl-tert-butyl ether (MTBE) ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A tert-Amyl methyl ether (TAME) ND D 50 100 500 ug/kg 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Surrogate: Dibromofluoromethane 104% 75-125 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A Surrogate: Toluene-d8 95.1% 75-125 06/28/23 10:00 06/29/23 00:19 B3F0382 DA 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)
553 DIL 200 23.2 40.0 mg/kg 06/28/23 12:28 06/28/23 12:28 B3F0389 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 91.1% 75-120 06/28/23 12:28 06/28/23 12:28 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 08:27 06/28/23 06:33 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 06:33 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 06:33 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.9% 75-125 06/27/23 08:27 06/28/23 06:33 B3F0358 TTN 3550B

Page 75 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 79 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
BEF0216-15 (Soil)
B21-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:55
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A

Page 76 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 80 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
BEF0216-15 (Soil)
B21-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:55
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A

Page 77 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 81 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
BEF0216-15 (Soil)
B21-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 10:55
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.1% 75-125 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 101% 75-125 06/28/23 12:17 06/28/23 17:05 B3F0388 BK 5035A Surrogate: Toluene-d8 92.8% 75-125 06/28/23 12:17 06/28/23 17:05 B3F0388 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 03:34 06/27/23 07:40 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-120 06/27/23 03:34 06/27/23 07:40 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 06/27/23 08:27 06/28/23 09:03 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 09:03 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 09:03 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.7% 75-125 06/27/23 08:27 06/28/23 09:03 B3F0358 TTN 3550B

Page 78 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 82 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
BEF0216-16 (Soil)
B21-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:01
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A

Page 79 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 83 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
BEF0216-16 (Soil)
B21-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:01
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A

Page 80 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 84 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
BEF0216-16 (Soil)
B21-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:01
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Surrogate: Dibromofluoromethane 104% 75-125 06/28/23 12:17 06/28/23 17:40 B3F0388 BK 5035A Surrogate: Toluene-d8 94.6% 75-125 06/28/23 12:17 06/28/23 17:40 B3F0388 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 03:34 06/27/23 08:21 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 114% 75-120 06/27/23 03:34 06/27/23 08:21 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 06/27/23 08:27 06/28/23 07:47 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 07:47 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 07:47 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.3% 75-125 06/27/23 08:27 06/28/23 07:47 B3F0358 TTN 3550B

Page 81 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 85 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
BEF0216-17 (Soil)
B21-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:09
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A

Page 82 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 86 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
BEF0216-17 (Soil)
B21-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:09
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Ethylbenzene 6.44 J 1 1.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Naphthalene 6.93 J 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A m,p-Xylenes 1.16 J 1 1.00 20.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A

Page 83 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 87 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
BEF0216-17 (Soil)
B21-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:09
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 97.9% 75-125 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 103% 75-125 06/28/23 23:02 06/28/23 23:38 B3F0405 BK 5035A Surrogate: Toluene-d8 94.9% 75-125 06/28/23 23:02 06/28/23 23:38 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 03:34 06/27/23 09:02 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 116% 75-120 06/27/23 03:34 06/27/23 09:02 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 06/27/23 08:27 06/28/23 09:40 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 09:40 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 09:40 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.4% 75-125 06/27/23 08:27 06/28/23 09:40 B3F0358 TTN 3550B

Page 84 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 88 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
BEF0216-18 (Soil)
B14-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:22
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 19:29 B3F0371 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 85.0% 75-120 06/27/23 18:46 06/27/23 19:29 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 06/27/23 08:27 06/28/23 10:18 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 10:18 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 10:18 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.1% 75-125 06/27/23 08:27 06/28/23 10:18 B3F0358 TTN 3550B

Page 85 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 89 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
BEF0216-19 (Soil)
B14-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:25
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A

Page 86 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 90 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
BEF0216-19 (Soil)
B14-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:25
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A

Page 87 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 91 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
BEF0216-19 (Soil)
B14-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:25
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.1% 75-125 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 103% 75-125 06/28/23 23:02 06/28/23 23:02 B3F0405 BK 5035A Surrogate: Toluene-d8 94.8% 75-125 06/28/23 23:02 06/28/23 23:02 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 03:34 06/27/23 09:43 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 113% 75-120 06/27/23 03:34 06/27/23 09:43 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 06/27/23 08:27 06/28/23 10:57 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 10:57 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 10:57 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 90.5% 75-125 06/27/23 08:27 06/28/23 10:57 B3F0358 TTN 3550B

Page 88 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 92 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
BEF0216-20 (Soil)
B14-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:30
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 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 00:14 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A

Page 89 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 93 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
BEF0216-20 (Soil)
B14-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:30
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A

Page 90 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 94 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
BEF0216-20 (Soil)
B14-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:30
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 100% 75-125 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 104% 75-125 06/28/23 23:02 06/29/23 00:14 B3F0405 BK 5035A Surrogate: Toluene-d8 95.6% 75-125 06/28/23 23:02 06/29/23 00:14 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 03:34 06/27/23 10:25 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 117% 75-120 06/27/23 03:34 06/27/23 10:25 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 06/27/23 08:27 06/28/23 11:35 B3F0358 TTN 3550B TPH as Heavy Hydrocarbons (C23-40) ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 11:35 B3F0358 TTN 3550B TPH Total as Diesel and Heavy HC
(C13-C40)
ND 1 1.62 10.0 mg/kg 06/27/23 08:27 06/28/23 11:35 B3F0358 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.2% 75-125 06/27/23 08:27 06/28/23 11:35 B3F0358 TTN 3550B

Page 91 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 95 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
BEF0216-21 (Soil)
B14-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:34
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 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 00:50 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A

Page 92 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 96 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
BEF0216-21 (Soil)
B14-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:34
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A

Page 93 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 97 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
BEF0216-21 (Soil)
B14-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:34
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.9% 75-125 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 106% 75-125 06/28/23 23:02 06/29/23 00:50 B3F0405 BK 5035A Surrogate: Toluene-d8 93.2% 75-125 06/28/23 23:02 06/29/23 00:50 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 03:34 06/27/23 11:06 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 111% 75-120 06/27/23 03:34 06/27/23 11:06 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 06/27/23 08:43 06/28/23 12:15 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 12:15 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 12:15 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.6% 75-125 06/27/23 08:43 06/28/23 12:15 B3F0359 TTN 3550B

Page 94 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 98 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
BEF0216-22 (Soil)
B14-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:39
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 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 01:25 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A

Page 95 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 99 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
BEF0216-22 (Soil)
B14-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:39
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Ethylbenzene 14.3 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,2,4-Trimethylbenzene 7.33 J 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A m,p-Xylenes 6.59 J 1 1.00 20.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A

Page 96 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 100 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
BEF0216-22 (Soil)
B14-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 11:39
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.3% 75-125 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 104% 75-125 06/28/23 23:02 06/29/23 01:25 B3F0405 BK 5035A Surrogate: Toluene-d8 94.2% 75-125 06/28/23 23:02 06/29/23 01:25 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 18:27 06/27/23 21:10 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 109% 75-120 06/27/23 18:27 06/27/23 21:10 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 06/27/23 08:43 06/28/23 12:55 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 12:55 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 12:55 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 91.1% 75-125 06/27/23 08:43 06/28/23 12:55 B3F0359 TTN 3550B

Page 97 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 101 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
BEF0216-23 (Soil)
B17-1
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:29
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 18:27 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 106% 75-120 06/27/23 18:27 06/27/23 18:27 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 06/27/23 08:43 06/28/23 13:35 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 13:35 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 13:35 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 89.1% 75-125 06/27/23 08:43 06/28/23 13:35 B3F0359 TTN 3550B

Page 98 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 102 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
BEF0216-24 (Soil)
B17-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:31
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 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 02:01 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A

Page 99 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 103 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
BEF0216-24 (Soil)
B17-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:31
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A

Page 100 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 104 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
BEF0216-24 (Soil)
B17-5
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:31
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-125 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 105% 75-125 06/28/23 23:02 06/29/23 02:01 B3F0405 BK 5035A Surrogate: Toluene-d8 94.2% 75-125 06/28/23 23:02 06/29/23 02:01 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 03:34 06/27/23 12:27 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 109% 75-120 06/27/23 03:34 06/27/23 12:27 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 06/27/23 08:43 06/28/23 14:16 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 14:16 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 14:16 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 87.8% 75-125 06/27/23 08:43 06/28/23 14:16 B3F0359 TTN 3550B

Page 101 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 105 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
BEF0216-25 (Soil)
B17-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:34
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 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 02:37 B3F0405 BK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A

Page 102 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 106 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
BEF0216-25 (Soil)
B17-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:34
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Naphthalene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A m,p-Xylenes ND 1 1.00 20.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A

Page 103 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 107 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
BEF0216-25 (Soil)
B17-10
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:34
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.6% 75-125 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Surrogate: Dibromofluoromethane 102% 75-125 06/28/23 23:02 06/29/23 02:37 B3F0405 BK 5035A Surrogate: Toluene-d8 92.5% 75-125 06/28/23 23:02 06/29/23 02:37 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 03:34 06/27/23 13:08 B3F0356 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 119% 75-120 06/27/23 03:34 06/27/23 13:08 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 06/27/23 08:43 06/28/23 14:57 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 14:57 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 14:57 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 81.5% 75-125 06/27/23 08:43 06/28/23 14:57 B3F0359 TTN 3550B

Page 104 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 108 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
BEF0216-26 (Soil)
B17-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:38
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Benzene ND D 500 500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Bromobenzene (Phenyl bromide) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Bromochloromethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Bromodichloromethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Bromoform (Tribromomethane) ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Bromomethane (Methyl bromide) ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 2-Butanone (MEK) ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A n-Butylbenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A sec-Butylbenzene 3160 DIL, J 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A tert-Butylbenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Carbon Disulfide ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Carbon tetrachloride ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Chlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Chloroethane ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 2-Chloroethyl vinyl ether ND D 500 25000 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Chloroform (Trichloromethane) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Chloromethane (Methyl chloride) ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 2-Chlorotoluene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 4-Chlorotoluene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Dibromochloromethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2-Dibromoethane (EDB) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Dibromomethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2-Dichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,3-Dichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,4-Dichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Dichlorodifluoromethane ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,1-Dichloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2-Dichloroethane (EDC) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,1-Dichloroethene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A cis-1,2-Dichloroethene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A trans-1,2-Dichloroethene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2-Dichloropropane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A

Page 105 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 109 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
BEF0216-26 (Soil)
B17-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:38
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 2,2-Dichloropropane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,1-Dichloropropene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A cis-1,3-Dichloropropene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A trans-1,3-Dichloropropene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Ethylbenzene 3300 DIL, J 500 500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Hexachlorobutadiene ND D 500 7500 15000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 2-Hexanone ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Iodomethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Isopropylbenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A p-Isopropyltoluene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 4-Methyl-2-pentanone (MIBK) ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Methylene chloride (DCM) ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Naphthalene 59200 DIL 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A n-Propylbenzene 10700 DIL 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Styrene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,1,1,2-Tetrachloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,1,2,2-Tetrachloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Tetrachloroethene ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Toluene (Methyl benzene) ND D 500 500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2,3-Trichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2,4-Trichlorobenzene ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,1,1-Trichloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,1,2-Trichloroethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Trichloroethene ND D 500 750 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Trichlorofluoromethane ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Trichlorotrifluoroethane (Freon-113) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2,3-Trichloropropane ND D 500 500 2500 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,2,4-Trimethylbenzene 172000 DIL 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A 1,3,5-Trimethylbenzene 50600 DIL 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Vinyl Acetate ND D 500 12500 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Vinyl chloride (Chloroethene) ND D 500 2500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A o-Xylene 23100 DIL 500 500 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A m,p-Xylenes 33800 DIL 500 500 10000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A tert-Butyl alcohol (TBA) ND D 500 5000 25000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Diisopropyl ether (DIPE) ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A

Page 106 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 110 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
BEF0216-26 (Soil)
B17-15
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:38
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND D 500 50000 125000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Ethyl-tert-butyl ether (ETBE) ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Methyl-tert-butyl ether (MTBE) ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A tert-Amyl methyl ether (TAME) ND D 500 1000 5000 ug/kg 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.0% 75-125 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Surrogate: Dibromofluoromethane 101% 75-125 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A Surrogate: Toluene-d8 97.1% 75-125 06/28/23 10:00 06/29/23 03:34 B3F0382 DA 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)
2280 DIL 2000 232 400 mg/kg 06/27/23 18:27 06/28/23 01:58 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 107% 75-120 06/27/23 18:27 06/28/23 01:58 B3F0370 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) 293 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 15:38 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 15:38 B3F0359 TTN 3550B TPH Total as Diesel and
Heavy HC (C13-C40)
293 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 15:38 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 89.9% 75-125 06/27/23 08:43 06/28/23 15:38 B3F0359 TTN 3550B

Page 107 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 111 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
BEF0216-27 (Soil)
B17-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:40
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND D 5000 125000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Benzene ND D 5000 5000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Bromobenzene (Phenyl bromide) ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Bromochloromethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Bromodichloromethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Bromoform (Tribromomethane) ND D 5000 125000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Bromomethane (Methyl bromide) ND D 5000 75000 150000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 2-Butanone (MEK) ND D 5000 125000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A n-Butylbenzene ND 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A sec-Butylbenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A tert-Butylbenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Carbon Disulfide ND D 5000 125000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Carbon tetrachloride ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Chlorobenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Chloroethane ND D 5000 75000 150000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 2-Chloroethyl vinyl ether ND D 5000 250000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Chloroform (Trichloromethane) ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Chloromethane (Methyl chloride) ND D 5000 75000 150000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 2-Chlorotoluene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 4-Chlorotoluene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2-Dibromo-3-chloropropane (DBCP) ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Dibromochloromethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2-Dibromoethane (EDB) ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Dibromomethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2-Dichlorobenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,3-Dichlorobenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,4-Dichlorobenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Dichlorodifluoromethane ND D 5000 75000 150000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,1-Dichloroethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2-Dichloroethane (EDC) ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,1-Dichloroethene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A cis-1,2-Dichloroethene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A trans-1,2-Dichloroethene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2-Dichloropropane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A

Page 108 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 112 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
BEF0216-27 (Soil)
B17-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:40
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 2,2-Dichloropropane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,1-Dichloropropene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A cis-1,3-Dichloropropene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A trans-1,3-Dichloropropene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Ethylbenzene 108000 DIL 5000 5000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Hexachlorobutadiene ND D 5000 75000 150000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 2-Hexanone ND D 5000 125000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Iodomethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Isopropylbenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A p-Isopropyltoluene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 4-Methyl-2-pentanone (MIBK) ND D 5000 125000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Methylene chloride (DCM) ND D 5000 125000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Naphthalene 30700 DIL, J 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A n-Propylbenzene 44100 DIL, J 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Styrene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,1,1,2-Tetrachloroethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,1,2,2-Tetrachloroethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Tetrachloroethene ND D 5000 10000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Toluene (Methyl benzene) 8900 DIL, J 5000 5000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2,3-Trichlorobenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2,4-Trichlorobenzene ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,1,1-Trichloroethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,1,2-Trichloroethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Trichloroethene ND D 5000 7500 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Trichlorofluoromethane ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Trichlorotrifluoroethane (Freon-113) ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2,3-Trichloropropane ND D 5000 5000 25000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,2,4-Trimethylbenzene 269000 DIL 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A 1,3,5-Trimethylbenzene 88400 DIL 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Vinyl Acetate ND D 5000 125000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Vinyl chloride (Chloroethene) ND D 5000 25000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A o-Xylene 244000 DIL 5000 5000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A m,p-Xylenes 621000 DIL 5000 5000 100000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A tert-Butyl alcohol (TBA) ND D 5000 50000 250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Diisopropyl ether (DIPE) ND D 5000 10000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A

Page 109 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 113 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
BEF0216-27 (Soil)
B17-20
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:40
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND D 5000 500000 1250000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Ethyl-tert-butyl ether (ETBE) ND D 5000 10000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Methyl-tert-butyl ether (MTBE) ND D 5000 10000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A tert-Amyl methyl ether (TAME) ND D 5000 10000 50000 ug/kg 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 101% 75-125 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Surrogate: Dibromofluoromethane 98.5% 75-125 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A Surrogate: Toluene-d8 93.6% 75-125 06/29/23 08:00 06/29/23 16:50 B3F0411 BK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)
3420 DIL 2000 232 400 mg/kg 06/27/23 18:27 06/28/23 02:38 B3F0370 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 117% 75-120 06/27/23 18:27 06/28/23 02:38 B3F0370 BK 5035A TPH Diesel Range
Method: EPA 8015B TPH DRO/ORO
TPH as Diesel (C13-C22) 63.9 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 16:59 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 16:59 B3F0359 TTN 3550B TPH Total as Diesel and
Heavy HC (C13-C40)

63.9 1 1.62 10.0 mg/kg 06/27/23 08:43 06/28/23 16:59 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 79.2% 75-125 06/27/23 08:43 06/28/23 16:59 B3F0359 TTN 3550B

Page 110 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 114 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
BEF0216-28 (Soil)
B17-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:54
Volatile Organic Compounds
Method: EPA 8260B
Acetone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Benzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Bromobenzene (Phenyl bromide) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Bromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Bromodichloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Bromoform (Tribromomethane) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Bromomethane (Methyl bromide) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 2-Butanone (MEK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A n-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A sec-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A tert-Butylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Carbon Disulfide ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Carbon tetrachloride ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Chlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Chloroethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 2-Chloroethyl vinyl ether ND 1 50.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Chloroform (Trichloromethane) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Chloromethane (Methyl chloride) ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 2-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 4-Chlorotoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 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 15:05 B3F0407 DK 5035A Dibromochloromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,2-Dibromoethane (EDB) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Dibromomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,2-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,3-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,4-Dichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Dichlorodifluoromethane ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,1-Dichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,2-Dichloroethane (EDC) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,1-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A cis-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A trans-1,2-Dichloroethene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A

Page 111 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 115 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
BEF0216-28 (Soil)
B17-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:54
Volatile Organic Compounds (Continued)
1,3-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 2,2-Dichloropropane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,1-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A cis-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A trans-1,3-Dichloropropene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Ethylbenzene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Hexachlorobutadiene ND 1 15.0 30.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 2-Hexanone ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Iodomethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Isopropylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A p-Isopropyltoluene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 4-Methyl-2-pentanone (MIBK) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Methylene chloride (DCM) ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Naphthalene 8.38 J 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A n-Propylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Styrene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,1,1,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,1,2,2-Tetrachloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Tetrachloroethene ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Toluene (Methyl benzene) ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,2,3-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,2,4-Trichlorobenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,1,1-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,1,2-Trichloroethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Trichloroethene ND 1 1.50 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Trichlorofluoromethane ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Trichlorotrifluoroethane (Freon-113) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,2,3-Trichloropropane ND 1 1.00 5.00 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,2,4-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A 1,3,5-Trimethylbenzene ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Vinyl Acetate ND 1 25.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Vinyl chloride (Chloroethene) ND 1 5.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A o-Xylene ND 1 1.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A m,p-Xylenes 1.78 J 1 1.00 20.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A tert-Butyl alcohol (TBA) ND 1 10.0 50.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Diisopropyl ether (DIPE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A

Page 112 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 116 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
BEF0216-28 (Soil)
B17-25
Analyst
Dilution MDL Batch Initials
Lab ID:

Prep.

Method
Prepared
Date/Time
Sampled: 06/21/23 12:54
Volatile Organic Compounds (Continued)
Ethyl alcohol (Ethanol) ND 1 100 250 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Ethyl-tert-butyl ether (ETBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Methyl-tert-butyl ether (MTBE) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A tert-Amyl methyl ether (TAME) ND 1 2.00 10.0 ug/kg 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 99.3% 75-125 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Surrogate: Dibromofluoromethane 99.3% 75-125 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A Surrogate: Toluene-d8 98.7% 75-125 06/28/23 10:00 06/29/23 15:05 B3F0407 DK 5035A TPH Gasoline Range
Method: EPA 8015B TPH GRO
TPH as Gasoline and Light
HC. (C4-C12)

2.10 1 0.116 0.200 mg/kg 06/27/23 03:24 06/27/23 04:08 B3F0357 BK 5035A Recovery Acceptance Criteria
Surrogate: Bromofluorobenzene 98.7% 75-120 06/27/23 03:24 06/27/23 04:08 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 06/27/23 08:43 06/28/23 17:39 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 17:39 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 17:39 B3F0359 TTN 3550B Recovery Acceptance Criteria
Surrogate: Chlorobenzene 88.8% 75-125 06/27/23 08:43 06/28/23 17:39 B3F0359 TTN 3550B

Page 113 of 287 ends

Riverside City CouncilSeptember 17, 2024

Riverside City Council
September 17, 2024