Agenda packet, regular meeting — Laguna Hills City Council, February 10, 2026 (part 4 of 11)

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Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.03 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 — 8.6 8.6 < 0.005 < 0.005 0.01 8.7 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.02 < 0.005 0.24 0.10 < 0.005 < 0.005 0.05 0.05 < 0.005 0.01 0.02 — 191 191 0.01 0.03 0.17 201 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 1.4 1.4 < 0.005 < 0.005 < 0.005 1.4 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling < 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 — 32 32 < 0.005 0.01 0.03 33

3.3. Site Preparation (2026) - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.26 0.26 1.3 15 0.03 0.05 — 0.05 0.05 — 0.05 — 2,716 2,716 0.11 0.02 — 2,725 Dust
From
Material
Movement
— — — — — — 0.62 0.62 — 0.07 0.07 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —

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Off-Roa < 0.005 < 0.005 0.01 0.12 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 22 22 < 0.005 < 0.005 — 22 d
Dust
From
Material
Movement
— — — — — — 0.01 0.01 — < 0.005 < 0.005 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 < 0.005 0.02 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 3.7 3.7 < 0.005 < 0.005 — 3.7 Dust
From
Material
Movement
— — — — — — < 0.005 < 0.005 — < 0.005 < 0.005 — — — — — — — Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.03 0.03 0.03 0.34 0.00 0.00 0.10 0.10 0.00 0.02 0.02 — 93 93 < 0.005 < 0.005 0.01 94 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.77 0.77 < 0.005 < 0.005 < 0.005 0.78 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —

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Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.13 0.13 < 0.005 < 0.005 < 0.005 0.13 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

3.4. Site Preparation (2026) - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 0.01 0.12 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 22 22 < 0.005 < 0.005 — 22 Dust
From
Material
Movement
— — — — — — 0.01 0.01 — < 0.005 < 0.005 — — — — — — —

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Onsite 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 truck
Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 < 0.005 0.02 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 3.7 3.7 < 0.005 < 0.005 — 3.7 Dust
From
Material
Movement
— — — — — — < 0.005 < 0.005 — < 0.005 < 0.005 — — — — — — — Onsite
truck

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3.5. Grading (2026) - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.23 0.23 1.2 14 0.02 0.05 — 0.05 0.05 — 0.05 — 2,455 2,455 0.10 0.02 — 2,463 Dust
From
Material
Movement
— — — — — — 2.9 2.9 — 1.4 1.4 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 0.02 0.23 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 40 40 < 0.005 < 0.005 — 40 Dust
From
Material
Movement
— — — — — — 0.05 0.05 — 0.02 0.02 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —

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Off-Roa < 0.005 < 0.005 < 0.005 0.04 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 6.7 6.7 < 0.005 < 0.005 — 6.7 d
Equipm
ent
Dust
From
Material
Movement
— — — — — — 0.01 0.01 — < 0.005 < 0.005 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.03 0.03 0.03 0.45 0.00 0.00 0.13 0.13 0.00 0.03 0.03 — 124 124 < 0.005 < 0.005 0.01 125 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 4.8 0.71 62 27 0.34 0.64 13 14 0.64 3.7 4.3 — 49,985 49,985 3.8 7.9 2.6 52,439 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 2.1 2.1 < 0.005 < 0.005 < 0.005 2.1 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.08 0.01 1.0 0.44 0.01 0.01 0.22 0.23 0.01 0.06 0.07 — 822 822 0.06 0.13 0.72 863 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.34 0.34 < 0.005 < 0.005 < 0.005 0.35 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.01 < 0.005 0.19 0.08 < 0.005 < 0.005 0.04 0.04 < 0.005 0.01 0.01 — 136 136 0.01 0.02 0.12 143

3.6. Grading (2026) - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual)

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Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.23 0.23 1.2 14 0.02 0.05 — 0.05 0.05 — 0.05 — 2,455 2,455 0.10 0.02 — 2,463 Dust
From
Material
Movement
— — — — — — 2.9 2.9 — 1.4 1.4 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 < 0.005 0.04 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 6.7 6.7 < 0.005 < 0.005 — 6.7

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Dust — — — — — — 0.01 0.01 — < 0.005 < 0.005 — — — — — — — From
Material
Movement
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.03 0.03 0.03 0.45 0.00 0.00 0.13 0.13 0.00 0.03 0.03 — 124 124 < 0.005 < 0.005 0.01 125 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 4.8 0.71 62 27 0.34 0.64 13 14 0.64 3.7 4.3 — 49,985 49,985 3.8 7.9 2.6 52,439 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 2.1 2.1 < 0.005 < 0.005 < 0.005 2.1 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.08 0.01 1.0 0.44 0.01 0.01 0.22 0.23 0.01 0.06 0.07 — 822 822 0.06 0.13 0.72 863 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.34 0.34 < 0.005 < 0.005 < 0.005 0.35 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.01 < 0.005 0.19 0.08 < 0.005 < 0.005 0.04 0.04 < 0.005 0.01 0.01 — 136 136 0.01 0.02 0.12 143

3.7. Building Construction (2026) - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —

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Daily, — — — — — — — — — — — — — — — — — —
Summer
(Max)
Off-Roa
d
Equipm
ent

0.24 0.24 3.7 13 0.02 0.04 — 0.04 0.04 — 0.04 — 2,201 2,201 0.09 0.02 — 2,208 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.24 0.24 3.7 13 0.02 0.04 — 0.04 0.04 — 0.04 — 2,201 2,201 0.09 0.02 — 2,208 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.14 0.14 2.1 7.3 0.01 0.02 — 0.02 0.02 — 0.02 — 1,253 1,253 0.05 0.01 — 1,258 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.02 0.02 0.39 1.3 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 208 208 0.01 < 0.005 — 208 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —

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Worker 0.09 0.09 0.08 1.4 0.00 0.00 0.34 0.34 0.00 0.08 0.08 — 338 338 < 0.005 0.01 1.2 342 Vendor 0.01 < 0.005 0.12 0.06 < 0.005 < 0.005 0.03 0.03 < 0.005 0.01 0.01 — 121 121 0.01 0.02 0.31 126 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.09 0.09 0.09 1.2 0.00 0.00 0.34 0.34 0.00 0.08 0.08 — 321 321 < 0.005 0.01 0.03 325 Vendor 0.01 < 0.005 0.13 0.06 < 0.005 < 0.005 0.03 0.03 < 0.005 0.01 0.01 — 121 121 0.01 0.02 0.01 126 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker 0.05 0.05 0.05 0.70 0.00 0.00 0.19 0.19 0.00 0.05 0.05 — 185 185 < 0.005 0.01 0.29 188 Vendor 0.01 < 0.005 0.07 0.04 < 0.005 < 0.005 0.02 0.02 < 0.005 0.01 0.01 — 69 69 < 0.005 0.01 0.08 72 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Worker 0.01 0.01 0.01 0.13 0.00 0.00 0.04 0.04 0.00 0.01 0.01 — 31 31 < 0.005 < 0.005 0.05 31 Vendor < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 — 11 11 < 0.005 < 0.005 0.01 12 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

3.8. Building Construction (2026) - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.24 0.24 3.7 13 0.02 0.04 — 0.04 0.04 — 0.04 — 2,201 2,201 0.09 0.02 — 2,208

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Onsite 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 truck
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.24 0.24 3.7 13 0.02 0.04 — 0.04 0.04 — 0.04 — 2,201 2,201 0.09 0.02 — 2,208 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.14 0.14 2.1 7.3 0.01 0.02 — 0.02 0.02 — 0.02 — 1,253 1,253 0.05 0.01 — 1,258 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.02 0.02 0.39 1.3 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 208 208 0.01 < 0.005 — 208 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.09 0.09 0.08 1.4 0.00 0.00 0.34 0.34 0.00 0.08 0.08 — 338 338 < 0.005 0.01 1.2 342 Vendor 0.01 < 0.005 0.12 0.06 < 0.005 < 0.005 0.03 0.03 < 0.005 0.01 0.01 — 121 121 0.01 0.02 0.31 126 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —

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Worker 0.09 0.09 0.09 1.2 0.00 0.00 0.34 0.34 0.00 0.08 0.08 — 321 321 < 0.005 0.01 0.03 325 Vendor 0.01 < 0.005 0.13 0.06 < 0.005 < 0.005 0.03 0.03 < 0.005 0.01 0.01 — 121 121 0.01 0.02 0.01 126 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker 0.05 0.05 0.05 0.70 0.00 0.00 0.19 0.19 0.00 0.05 0.05 — 185 185 < 0.005 0.01 0.29 188 Vendor 0.01 < 0.005 0.07 0.04 < 0.005 < 0.005 0.02 0.02 < 0.005 0.01 0.01 — 69 69 < 0.005 0.01 0.08 72 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Worker 0.01 0.01 0.01 0.13 0.00 0.00 0.04 0.04 0.00 0.01 0.01 — 31 31 < 0.005 < 0.005 0.05 31 Vendor < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 — 11 11 < 0.005 < 0.005 0.01 12 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

3.9. Building Construction (2027) - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.24 0.24 3.7 13 0.02 0.04 — 0.04 0.04 — 0.04 — 2,201 2,201 0.09 0.02 — 2,208 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —

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Off-Roa 0.01 0.01 0.13 0.45 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 78 78 < 0.005 < 0.005 — 78 d
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 0.02 0.08 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 13 13 < 0.005 < 0.005 — 13 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.09 0.07 0.08 1.1 0.00 0.00 0.34 0.34 0.00 0.08 0.08 — 316 316 < 0.005 0.01 0.03 320 Vendor 0.01 < 0.005 0.12 0.06 < 0.005 < 0.005 0.03 0.03 < 0.005 0.01 0.01 — 119 119 0.01 0.02 0.01 124 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.04 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 — 11 11 < 0.005 < 0.005 0.02 11 Vendor < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 — 4.2 4.2 < 0.005 < 0.005 < 0.005 4.4 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 1.9 1.9 < 0.005 < 0.005 < 0.005 1.9 Vendor < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 — 0.69 0.69 < 0.005 < 0.005 < 0.005 0.72 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

3.10. Building Construction (2027) - Mitigated

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Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.24 0.24 3.7 13 0.02 0.04 — 0.04 0.04 — 0.04 — 2,201 2,201 0.09 0.02 — 2,208 Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.01 0.01 0.13 0.45 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 78 78 < 0.005 < 0.005 — 78 Onsite
truck

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Daily, — — — — — — — — — — — — — — — — — —
Winter
(Max)
Worker 0.09 0.07 0.08 1.1 0.00 0.00 0.34 0.34 0.00 0.08 0.08 — 316 316 < 0.005 0.01 0.03 320 Vendor 0.01 < 0.005 0.12 0.06 < 0.005 < 0.005 0.03 0.03 < 0.005 0.01 0.01 — 119 119 0.01 0.02 0.01 124 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.04 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 — 11 11 < 0.005 < 0.005 0.02 11 Vendor < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 — 4.2 4.2 < 0.005 < 0.005 < 0.005 4.4 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 1.9 1.9 < 0.005 < 0.005 < 0.005 1.9 Vendor < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 — 0.69 0.69 < 0.005 < 0.005 < 0.005 0.72 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

3.11. Paving (2027) - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.20 0.18 2.2 8.6 0.01 0.04 — 0.04 0.04 — 0.04 — 1,244 1,244 0.05 0.01 — 1,248 Paving 0.24 0.24 — — — — — — — — — — — — — — — —

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Onsite 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 truck
Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.01 0.01 0.06 0.24 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 34 34 < 0.005 < 0.005 — 34 Paving 0.01 0.01 — — — — — — — — — — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 0.01 0.04 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 5.6 5.6 < 0.005 < 0.005 — 5.7 Paving < 0.005 < 0.005 — — — — — — — — — — — — — — — —
Onsite
truck

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Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.84 0.84 < 0.005 < 0.005 < 0.005 0.85 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

3.12. Paving (2027) - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.20 0.18 2.2 8.6 0.01 0.04 — 0.04 0.04 — 0.04 — 1,244 1,244 0.05 0.01 — 1,248 Paving 0.24 0.24 — — — — — — — — — — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.01 0.01 0.06 0.24 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 34 34 < 0.005 < 0.005 — 34 Paving 0.01 0.01 — — — — — — — — — — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —

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Off-Roa < 0.005 < 0.005 0.01 0.04 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 5.6 5.6 < 0.005 < 0.005 — 5.7 d
Paving < 0.005 < 0.005 — — — — — — — — — — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.05 0.04 0.05 0.64 0.00 0.00 0.20 0.20 0.00 0.05 0.05 — 183 183 < 0.005 0.01 0.02 185 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.02 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 — 5.1 5.1 < 0.005 < 0.005 0.01 5.1 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.84 0.84 < 0.005 < 0.005 < 0.005 0.85 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

3.13. Architectural Coating (2027) - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —

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Daily, — — — — — — — — — — — — — — — — — —
Summer
(Max)
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.14 0.11 0.83 1.1 < 0.005 0.02 — 0.02 0.02 — 0.02 — 134 134 0.01 < 0.005 — 134 Architect
ural
Coating
s
46 46 — — — — — — — — — — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 0.02 0.03 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 3.7 3.7 < 0.005 < 0.005 — 3.7 Architect
ural
Coating
s

1.3 1.3 — — — — — — — — — — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 < 0.005 0.01 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 0.61 0.61 < 0.005 < 0.005 — 0.61 Architect
ural
Coating
s

0.23 0.23 — — — — — — — — — — — — — — — —

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Onsite 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 truck
Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.02 0.01 0.02 0.22 0.00 0.00 0.07 0.07 0.00 0.02 0.02 — 63 63 < 0.005 < 0.005 0.01 64 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 1.8 1.8 < 0.005 < 0.005 < 0.005 1.8 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.29 0.29 < 0.005 < 0.005 < 0.005 0.29 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

3.14. Architectural Coating (2027) - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —

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Off-Roa
Equipment

0.14 0.11 0.83 1.1 < 0.005 0.02 — 0.02 0.02 — 0.02 — 134 134 0.01 < 0.005 — 134 Architect
ural
Coating
s
46 46 — — — — — — — — — — — — — — — —
Onsite
truck

1.3 1.3 — — — — — — — — — — — — — — — —
Onsite
truck

0.23 0.23 — — — — — — — — — — — — — — — —
Onsite
truck

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Daily, — — — — — — — — — — — — — — — — — —
Winter
(Max)
Worker 0.02 0.01 0.02 0.22 0.00 0.00 0.07 0.07 0.00 0.02 0.02 — 63 63 < 0.005 < 0.005 0.01 64 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 1.8 1.8 < 0.005 < 0.005 < 0.005 1.8 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.29 0.29 < 0.005 < 0.005 < 0.005 0.29 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

4. Operations Emissions Details

4.1. Mobile Emissions by Land Use

4.1.1. Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

1.1 0.97 0.65 8.5 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,155 2,155 0.09 0.07 7.5 2,187 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00

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Total 1.1 0.97 0.65 8.5 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,155 2,155 0.09 0.07 7.5 2,187 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

1.1 0.96 0.71 7.9 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,068 2,068 0.10 0.08 0.20 2,094 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Total 1.1 0.96 0.71 7.9 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,068 2,068 0.10 0.08 0.20 2,094 Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

0.16 0.15 0.11 1.2 < 0.005 < 0.005 0.32 0.32 < 0.005 0.08 0.08 — 293 293 0.01 0.01 0.46 297 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Total 0.16 0.15 0.11 1.2 < 0.005 < 0.005 0.32 0.32 < 0.005 0.08 0.08 — 293 293 0.01 0.01 0.46 297

4.1.2. Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

1.1 0.97 0.65 8.5 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,155 2,155 0.09 0.07 7.5 2,187 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Total 1.1 0.97 0.65 8.5 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,155 2,155 0.09 0.07 7.5 2,187 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —

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Condo/T 1.1 0.96 0.71 7.9 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,068 2,068 0.10 0.08 0.20 2,094 Parking
Lot

0.16 0.15 0.11 1.2 < 0.005 < 0.005 0.32 0.32 < 0.005 0.08 0.08 — 293 293 0.01 0.01 0.46 297 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Total 0.16 0.15 0.11 1.2 < 0.005 < 0.005 0.32 0.32 < 0.005 0.08 0.08 — 293 293 0.01 0.01 0.46 297

4.2. Energy

4.2.1. Electricity Emissions By Land Use - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — 241 241 0.01 < 0.005 — 242
Parking
Lot
— — — — — — — — — — — — 51 51 < 0.005 < 0.005 — 51
Total — — — — — — — — — — — — 292 292 0.02 < 0.005 — 293 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — 241 241 0.01 < 0.005 — 242

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Parking — — — — — — — — — — — — 51 51 < 0.005 < 0.005 — 51 Lot
Total — — — — — — — — — — — — 292 292 0.02 < 0.005 — 293 Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — 40 40 < 0.005 < 0.005 — 40
Parking
Lot
— — — — — — — — — — — — 8.5 8.5 < 0.005 < 0.005 — 8.5
Total — — — — — — — — — — — — 48 48 < 0.005 < 0.005 — 49

4.2.2. Electricity Emissions By Land Use - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — 244 244 0.02 < 0.005 — 245
Parking
Lot
— — — — — — — — — — — — 51 51 < 0.005 < 0.005 — 51
Total — — — — — — — — — — — — 295 295 0.02 < 0.005 — 296 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — 244 244 0.02 < 0.005 — 245
Parking
Lot
— — — — — — — — — — — — 51 51 < 0.005 < 0.005 — 51
Total — — — — — — — — — — — — 295 295 0.02 < 0.005 — 296 Annual — — — — — — — — — — — — — — — — — —

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Condo/T — — — — — — — — — — — — 40 40 < 0.005 < 0.005 — 41 Parking
Lot
— — — — — — — — — — — — 8.5 8.5 < 0.005 < 0.005 — 8.5
Total — — — — — — — — — — — — 49 49 < 0.005 < 0.005 — 49

4.2.3. Natural Gas Emissions By Land Use - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

0.03 0.01 0.22 0.09 < 0.005 0.02 — 0.02 0.02 — 0.02 — 277 277 0.02 < 0.005 — 278 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Total 0.03 0.01 0.22 0.09 < 0.005 0.02 — 0.02 0.02 — 0.02 — 277 277 0.02 < 0.005 — 278 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

0.03 0.01 0.22 0.09 < 0.005 0.02 — 0.02 0.02 — 0.02 — 277 277 0.02 < 0.005 — 278 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Total 0.03 0.01 0.22 0.09 < 0.005 0.02 — 0.02 0.02 — 0.02 — 277 277 0.02 < 0.005 — 278 Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
< 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 46 46 < 0.005 < 0.005 — 46 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Total < 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 46 46 < 0.005 < 0.005 — 46

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4.2.4. Natural Gas Emissions By Land Use - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Total 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Total 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Parking
Lot

0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00 Total 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 0.00 0.00 0.00 0.00 — 0.00

4.3. Area Emissions by Source

4.3.1. Unmitigated

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Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Source TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Hearths 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 0.00 207 207 0.01 < 0.005 — 208 Consum
er
Product
s

1.6 1.6 — — — — — — — — — — — — — — — —
Architect
ural
Coating
s

0.13 0.13 — — — — — — — — — — — — — — — —
Landsca
pe
Equipm
ent

0.19 0.18 0.02 2.0 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 5.5 5.5 < 0.005 < 0.005 — 5.5 Total 1.9 1.9 0.02 2.0 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 0.00 213 213 0.01 < 0.005 — 214 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Hearths 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 0.00 207 207 0.01 < 0.005 — 208 Consum
er
Product
s

1.6 1.6 — — — — — — — — — — — — — — — —
Architect
ural
Coating
s

0.13 0.13 — — — — — — — — — — — — — — — —
Total 1.7 1.7 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 0.00 207 207 0.01 < 0.005 — 208 Annual — — — — — — — — — — — — — — — — — —
Hearths 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 0.00 2.4 2.4 < 0.005 < 0.005 — 2.4

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Consum 0.28 0.28 — — — — — — — — — — — — — — — —
er
Product
Architect
ural
Coating
s

0.02 0.02 — — — — — — — — — — — — — — — —
Landsca
pe
Equipm
ent

0.02 0.02 < 0.005 0.26 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 0.62 0.62 < 0.005 < 0.005 — 0.62 Total 0.33 0.33 < 0.005 0.26 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 0.00 3.0 3.0 < 0.005 < 0.005 — 3.0

4.3.2. Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Source TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Hearths 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 0.00 207 207 0.01 < 0.005 — 208 Consum
er
Product
s

1.6 1.6 — — — — — — — — — — — — — — — —
Architect
ural
Coating
s

0.13 0.13 — — — — — — — — — — — — — — — —
Landsca
pe
Equipm
ent

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Hearths 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 0.00 207 207 0.01 < 0.005 — 208 Consum
er
Product
s

1.6 1.6 — — — — — — — — — — — — — — — —
Architect
ural
Coating
s

0.28 0.28 — — — — — — — — — — — — — — — —
Architect
ural
Coating
s

0.02 0.02 — — — — — — — — — — — — — — — —
Landsca
pe
Equipm
ent

4.4. Water Emissions by Land Use

4.4.1. Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —

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Condo/T — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 0.43 2.8 3.3 0.04 < 0.005 — 4.7
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 0.43 2.8 3.3 0.04 < 0.005 — 4.7

4.4.2. Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28

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Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 0.43 2.8 3.3 0.04 < 0.005 — 4.7
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 0.43 2.8 3.3 0.04 < 0.005 — 4.7

4.5. Waste Emissions by Land Use

4.5.1. Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50

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Daily, — — — — — — — — — — — — — — — — — —
Winter
(Max)
Condo/T
ownhou
se
— — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 2.4 0.00 2.4 0.24 0.00 — 8.3
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 2.4 0.00 2.4 0.24 0.00 — 8.3

4.5.2. Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —

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Condo/T — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
ownhou
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — 2.4 0.00 2.4 0.24 0.00 — 8.3
Parking
Lot
— — — — — — — — — — — 0.00 0.00 0.00 0.00 0.00 — 0.00
Total — — — — — — — — — — — 2.4 0.00 2.4 0.24 0.00 — 8.3

4.6. Refrigerant Emissions by Land Use

4.6.1. Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — — — — — 0.52 0.52
Total — — — — — — — — — — — — — — — — 0.52 0.52
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — — — — — 0.52 0.52
Total — — — — — — — — — — — — — — — — 0.52 0.52
Annual — — — — — — — — — — — — — — — — — —

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Condo/T — — — — — — — — — — — — — — — — 0.09 0.09
Total — — — — — — — — — — — — — — — — 0.09 0.09

4.6.2. Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — — — — — 0.52 0.52
Total — — — — — — — — — — — — — — — — 0.52 0.52
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — — — — — 0.52 0.52
Total — — — — — — — — — — — — — — — — 0.52 0.52
Annual — — — — — — — — — — — — — — — — — —
Condo/T
ownhou
se
— — — — — — — — — — — — — — — — 0.09 0.09
Total — — — — — — — — — — — — — — — — 0.09 0.09

4.7. Offroad Emissions By Equipment Type

4.7.1. Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual)

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Equipm TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e ent
Type
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

4.7.2. Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Equipm
ent
Type
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

4.8. Stationary Emissions By Equipment Type

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4.8.1. Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Equipm
ent
Type
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

4.8.2. Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Equipm
ent
Type
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

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4.9. User Defined Emissions By Equipment Type

4.9.1. Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Equipm
ent
Type
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

4.9.2. Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Equipm
ent
Type
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —

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Total — — — — — — — — — — — — — — — — — —

4.10. Soil Carbon Accumulation By Vegetation Type

4.10.1. Soil Carbon Accumulation By Vegetation Type - Unmitigated Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Vegetati
on
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

4.10.2. Above and Belowground Carbon Accumulation by Land Use Type - Unmitigated Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —

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Total — — — — — — — — — — — — — — — — — —

4.10.3. Avoided and Sequestered Emissions by Species - Unmitigated Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Species TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Avoided — — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Sequest
ered
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Remove
d
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
— — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Avoided — — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Sequest
ered
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Remove
d
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
— — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Avoided — — — — — — — — — — — — — — — — — —

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Subtotal — — — — — — — — — — — — — — — — — —
Sequest
ered
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Remove
d
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
— — — — — — — — — — — — — — — — — — —

4.10.4. Soil Carbon Accumulation By Vegetation Type - Mitigated Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Vegetati
on
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

4.10.5. Above and Belowground Carbon Accumulation by Land Use Type - Mitigated Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Land
Use
TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

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Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Total — — — — — — — — — — — — — — — — — —

4.10.6. Avoided and Sequestered Emissions by Species - Mitigated Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Species TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Avoided — — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Sequest
ered
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Remove
d
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
— — — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Avoided — — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Sequest
ered
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Remove
d
— — — — — — — — — — — — — — — — — —

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Subtotal — — — — — — — — — — — — — — — — — —
— — — — — — — — — — — — — — — — — — —
Annual — — — — — — — — — — — — — — — — — —
Avoided — — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Sequest
ered
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
Remove
d
— — — — — — — — — — — — — — — — — —
Subtotal — — — — — — — — — — — — — — — — — —
— — — — — — — — — — — — — — — — — — —

5. Activity Data

5.1. Construction Schedule
Phase Name Phase Type Start Date End Date Days Per Week Work Days per Phase Phase Description Demolition Demolition 2/1/2026 3/1/2026 5.0 20 —
Site Preparation Site Preparation 3/2/2026 3/6/2026 5.0 3.0 — Grading Grading 3/7/2026 3/15/2026 5.0 6.0 —
Building Construction Building Construction 3/16/2026 1/18/2027 5.0 220 — Paving Paving 1/19/2027 2/2/2027 5.0 10.0 —
Architectural Coating Architectural Coating 2/3/2027 2/17/2027 5.0 10.0 —

5.2. Off-Road Equipment

5.2.1. Unmitigated
Phase Name Equipment Type Fuel Type Engine Tier Number per Day Hours Per Day Horsepower Load Factor

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Demolition Concrete/Industrial
Saws
Diesel Average 1.00 8.0 33 0.73
Demolition Rubber Tired Dozers Diesel Tier 4 Final 1.00 8.0 367 0.40 Demolition Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 3.0 8.0 84 0.37
Site Preparation Graders Diesel Tier 4 Final 1.00 8.0 148 0.41 Site Preparation Scrapers Diesel Tier 4 Final 1.00 8.0 423 0.48 Site Preparation Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 1.00 7.0 84 0.37
Grading Graders Diesel Tier 4 Final 1.00 8.0 148 0.41
Grading Rubber Tired Dozers Diesel Tier 4 Final 1.00 8.0 367 0.40 Grading Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 2.0 7.0 84 0.37
Building Construction Cranes Diesel Tier 4 Final 1.00 8.0 367 0.29 Building Construction Forklifts Diesel Tier 4 Final 2.0 7.0 82 0.20 Building Construction Generator Sets Diesel Tier 4 Final 1.00 8.0 14 0.74 Building Construction Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 1.00 6.0 84 0.37
Building Construction Welders Diesel Tier 4 Final 3.0 8.0 46 0.45 Paving Cement and Mortar
Mixers
Diesel Average 1.00 8.0 10.0 0.56
Paving Pavers Diesel Tier 4 Final 1.00 8.0 81 0.42
Paving Paving Equipment Diesel Tier 4 Final 1.00 8.0 89 0.36 Paving Rollers Diesel Tier 4 Final 2.0 8.0 36 0.38
Paving Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 1.00 8.0 84 0.37
Architectural Coating Air Compressors Diesel Average 1.00 6.0 37 0.48

5.2.2. Mitigated
Phase Name Equipment Type Fuel Type Engine Tier Number per Day Hours Per Day Horsepower Load Factor

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Demolition Concrete/Industrial Diesel Average 1.00 8.0 33 0.73 Saws
Demolition Rubber Tired Dozers Diesel Tier 4 Final 1.00 8.0 367 0.40 Demolition Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 3.0 8.0 84 0.37
Site Preparation Graders Diesel Tier 4 Final 1.00 8.0 148 0.41 Site Preparation Scrapers Diesel Tier 4 Final 1.00 8.0 423 0.48 Site Preparation Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 1.00 7.0 84 0.37
Grading Graders Diesel Tier 4 Final 1.00 8.0 148 0.41
Grading Rubber Tired Dozers Diesel Tier 4 Final 1.00 8.0 367 0.40 Grading Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 2.0 7.0 84 0.37
Building Construction Cranes Diesel Tier 4 Final 1.00 8.0 367 0.29 Building Construction Forklifts Diesel Tier 4 Final 2.0 7.0 82 0.20 Building Construction Generator Sets Diesel Tier 4 Final 1.00 8.0 14 0.74 Building Construction Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 1.00 6.0 84 0.37
Building Construction Welders Diesel Tier 4 Final 3.0 8.0 46 0.45 Paving Cement and Mortar
Mixers
Diesel Average 1.00 8.0 10.0 0.56
Paving Pavers Diesel Tier 4 Final 1.00 8.0 81 0.42
Paving Paving Equipment Diesel Tier 4 Final 1.00 8.0 89 0.36 Paving Rollers Diesel Tier 4 Final 2.0 8.0 36 0.38
Paving Tractors/Loaders/Back
hoes
Diesel Tier 4 Final 1.00 8.0 84 0.37
Architectural Coating Air Compressors Diesel Average 1.00 6.0 37 0.48

5.3. Construction Vehicles

5.3.1. Unmitigated

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Phase Name Trip Type One-Way Trips per Day Miles per Trip Vehicle Mix Demolition Worker 13 19 LDA,LDT1,LDT2
Demolition Vendor — 10 HHDT,MHDT
Demolition Hauling 51 20 HHDT
Demolition Onsite truck — — HHDT
Site Preparation Worker 7.5 19 LDA,LDT1,LDT2
Site Preparation Vendor — 10 HHDT,MHDT
Site Preparation Hauling 0.00 20 HHDT
Site Preparation Onsite truck — — HHDT
Grading Worker 10.0 19 LDA,LDT1,LDT2
Grading Vendor — 10 HHDT,MHDT
Grading Hauling 729 20 HHDT
Grading Onsite truck — — HHDT
Building Construction Worker 26 19 LDA,LDT1,LDT2
Building Construction Vendor 3.8 10 HHDT,MHDT
Building Construction Hauling 0.00 20 HHDT
Building Construction Onsite truck — — HHDT
Paving Worker 15 19 LDA,LDT1,LDT2
Paving Vendor — 10 HHDT,MHDT
Paving Hauling 0.00 20 HHDT
Paving Onsite truck — — HHDT
Architectural Coating Worker 5.2 19 LDA,LDT1,LDT2
Architectural Coating Vendor — 10 HHDT,MHDT
Architectural Coating Hauling 0.00 20 HHDT
Architectural Coating Onsite truck — — HHDT

5.3.2. Mitigated
Phase Name Trip Type One-Way Trips per Day Miles per Trip Vehicle Mix

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Demolition Worker 13 19 LDA,LDT1,LDT2
Demolition Vendor — 10 HHDT,MHDT
Demolition Hauling 51 20 HHDT
Demolition Onsite truck — — HHDT
Site Preparation Worker 7.5 19 LDA,LDT1,LDT2
Site Preparation Vendor — 10 HHDT,MHDT
Site Preparation Hauling 0.00 20 HHDT
Site Preparation Onsite truck — — HHDT
Grading Worker 10.0 19 LDA,LDT1,LDT2
Grading Vendor — 10 HHDT,MHDT
Grading Hauling 729 20 HHDT
Grading Onsite truck — — HHDT
Building Construction Worker 26 19 LDA,LDT1,LDT2
Building Construction Vendor 3.8 10 HHDT,MHDT
Building Construction Hauling 0.00 20 HHDT
Building Construction Onsite truck — — HHDT
Paving Worker 15 19 LDA,LDT1,LDT2
Paving Vendor — 10 HHDT,MHDT
Paving Hauling 0.00 20 HHDT
Paving Onsite truck — — HHDT
Architectural Coating Worker 5.2 19 LDA,LDT1,LDT2
Architectural Coating Vendor — 10 HHDT,MHDT
Architectural Coating Hauling 0.00 20 HHDT
Architectural Coating Onsite truck — — HHDT

5.4. Vehicles

5.4.1. Construction Vehicle Control Strategies

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Control Strategies Applied PM10 Reduction PM2.5 Reduction Water unpaved roads twice daily 55% 55%
Limit vehicle speeds on unpaved roads to 25 mph 44% 44% Sweep paved roads once per month 9% 9%

5.5. Architectural Coatings
Phase Name Residential Interior Area
Coated (sq ft)
Residential Exterior Area
Coated (sq ft)
Non-Residential Interior Area
Coated (sq ft)
Non-Residential Exterior Area
Coated (sq ft)
Parking Area Coated (sq ft)
Architectural Coating 146,675 48,892 0.00 0.00 2,405

5.6. Dust Mitigation

5.6.1. Construction Earthmoving Activities
Phase Name Material Imported (Cubic
Yards)
Material Exported (Cubic
Yards)
Acres Graded (acres) Material Demolished (Ton of
Debris)
Acres Paved (acres)
Demolition 0.00 0.00 0.00 4,072 0.00
Site Preparation 0.00 0.00 4.5 0.00 0.00
Grading 0.00 35,000 6.0 0.00 0.00
Paving 0.00 0.00 0.00 0.00 0.92

5.6.2. Construction Earthmoving Control Strategies
Control Strategies Applied Frequency (per day) PM10 Reduction PM2.5 Reduction Water Exposed Area 2 61% 61%
Water Demolished Area 2 36% 36%

5.7. Construction Paving
Phase Name Land Use Area Paved (acres) % Asphalt

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Paving Condo/Townhouse — 0%
Paving Parking Lot 0.92 100%

5.8. Construction Electricity Consumption and Emissions Factors kWh per Year and Emission Factor (lb/MWh)
Year kWh per Year CO2 CH4 N2O
2026 0.00 532 0.03 < 0.005
2027 0.00 532 0.03 < 0.005

5.9. Operational Mobile Sources

5.9.1. Unmitigated
Land Use Type Trips/Weekday Trips/Saturday Trips/Sunday Trips/Year VMT/Weekday VMT/Saturday VMT/Sunday VMT/Year Condo/Townhouse 259 315 258 97,480 2,408 2,930 2,398 905,531 Parking Lot 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

5.9.2. Mitigated
Land Use Type Trips/Weekday Trips/Saturday Trips/Sunday Trips/Year VMT/Weekday VMT/Saturday VMT/Sunday VMT/Year Condo/Townhouse 259 315 258 97,480 2,408 2,930 2,398 905,531 Parking Lot 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

5.10. Operational Area Sources

5.10.1. Hearths
Land Use Hearth Type Unmitigated (number) Mitigated (number) Condo/Townhouse Wood Fireplaces 0 0
Condo/Townhouse Gas Fireplaces 0 0

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Condo/Townhouse Propane Fireplaces 0 0
Condo/Townhouse Electric Fireplaces 36 36
Condo/Townhouse No Fireplaces 0 0
Condo/Townhouse Conventional Wood Stoves 0 0
Condo/Townhouse Catalytic Wood Stoves 0 0
Condo/Townhouse Non-Catalytic Wood Stoves 0 0
Condo/Townhouse Pellet Wood Stoves 0 0
Parking Lot Wood Fireplaces 0 0
Parking Lot Gas Fireplaces 0 0
Parking Lot Propane Fireplaces 0 0
Parking Lot Electric Fireplaces 0 0
Parking Lot No Fireplaces 0 0
Parking Lot Conventional Wood Stoves 0 0
Parking Lot Catalytic Wood Stoves 0 0
Parking Lot Non-Catalytic Wood Stoves 0 0
Parking Lot Pellet Wood Stoves 0 0

5.10.2. Architectural Coatings
— Residential Interior Area
Coated (sq ft)
Residential Exterior Area
Coated (sq ft)
Non-Residential Interior Area
Coated (sq ft)
Non-Residential Exterior Area
Coated (sq ft)
Parking Area Coated (sq ft)
undefined 146,675 48,892 0.00 0.00 2,405

5.10.3. Landscape Equipment
Season Unit Value
Snow Days day/yr 0.00
Summer Days day/yr 250

5.10.4. Landscape Equipment - Mitigated

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Season Unit Value
Snow Days day/yr 0.00
Summer Days day/yr 250

5.11. Operational Energy Consumption

5.11.1. Unmitigated
Electricity (kWh/yr) and CO2 and CH4 and N2O and Natural Gas (kBTU/yr) Land Use Electricity (kWh/yr) CO2 CH4 N2O Natural Gas (kBTU/yr) Condo/Townhouse 165,318 532 0.0330 0.0040 865,093
Parking Lot 35,106 532 0.0330 0.0040 0.00

5.11.2. Mitigated
Electricity (kWh/yr) and CO2 and CH4 and N2O and Natural Gas (kBTU/yr) Land Use Electricity (kWh/yr) CO2 CH4 N2O Natural Gas (kBTU/yr) Condo/Townhouse 167,260 532 0.0330 0.0040 0.00
Parking Lot 35,106 532 0.0330 0.0040 0.00

5.12. Operational Water and Wastewater Consumption

5.12.1. Unmitigated
Land Use Indoor Water (gal/year) Outdoor Water (gal/year) Condo/Townhouse 1,350,923 475,214
Parking Lot 0.00 0.00

5.12.2. Mitigated
Land Use Indoor Water (gal/year) Outdoor Water (gal/year) Condo/Townhouse 1,350,923 475,214

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Parking Lot 0.00 0.00

5.13. Operational Waste Generation

5.13.1. Unmitigated
Land Use Waste (ton/year) Cogeneration (kWh/year)
Condo/Townhouse 27 0.00
Parking Lot 0.00 0.00

5.13.2. Mitigated
Land Use Waste (ton/year) Cogeneration (kWh/year)
Condo/Townhouse 27 0.00
Parking Lot 0.00 0.00

5.14. Operational Refrigeration and Air Conditioning Equipment

5.14.1. Unmitigated
Land Use Equipment Type Refrigerant GWP Quantity (kg) Operations Leak Rate Service Leak Rate Times Serviced Condo/Townhouse Average room A/C &
Other residential A/C
and heat pumps
R-410A 2,088 < 0.005 2.5 2.5 10.0
Condo/Townhouse Household
refrigerators and/or
freezers
R-134a 1,430 0.12 0.60 0.00 1.00

5.14.2. Mitigated
Land Use Equipment Type Refrigerant GWP Quantity (kg) Operations Leak Rate Service Leak Rate Times Serviced

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Condo/Townhouse Average room A/C & R-410A 2,088 < 0.005 2.5 2.5 10.0 Other residential A/C
and heat pumps
Condo/Townhouse Household
refrigerators and/or
freezers
R-134a 1,430 0.12 0.60 0.00 1.00

5.15. Operational Off-Road Equipment

5.15.1. Unmitigated

5.15.2. Mitigated

5.16. Stationary Sources

5.16.1. Emergency Generators and Fire Pumps

5.16.2. Process Boilers

5.17. User Defined

5.18. Vegetation

5.18.1. Land Use Change

5.18.1.1. Unmitigated
Vegetation Land Use Type Vegetation Soil Type Initial Acres Final Acres

5.18.1.2. Mitigated
Vegetation Land Use Type Vegetation Soil Type Initial Acres Final Acres

5.18.1. Biomass Cover Type

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5.18.1.1. Unmitigated
Biomass Cover Type Initial Acres Final Acres

5.18.1.2. Mitigated
Biomass Cover Type Initial Acres Final Acres

5.18.2. Sequestration

5.18.2.1. Unmitigated
Tree Type Number Electricity Saved (kWh/year) Natural Gas Saved (btu/year)

5.18.2.2. Mitigated
Tree Type Number Electricity Saved (kWh/year) Natural Gas Saved (btu/year)

8. User Changes to Default Data

8.1. Justifications
Screen Justification
Land Use Project consists of 36 townhome dwelling units, approximately 40,000 SF of paved surfaces, and approximately 30,000 SF of landscaped area on a site totaling approximately 2.43 acres.

Construction: Off-Road Equipment Diesel construction equipment will be equipped with Tier 4 low emission “clean diesel” engines (OEM or retrofit) that include diesel oxidation catalysts and diesel particulate filters that meet the latest CARB best available control technology, to the extent feasible.

Operations: Vehicle Data Trip generation rates are adjusted based on the ITE Trip Generation Manual, 11th Edition.

Operations: Fleet Mix Fleet mix is adjusted to reflect a total of 2% heavy trucks (GVWR > 10,000 lbs.).

Operations: Hearths Per SCAQMD Rule 445, no woodburning devices shall be allowed. No gas hookups are proposed for the site.

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Appendix B
EMFAC2021 Vehicle Fuel Consumption Data

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Source: EMFAC2021 (v1.0.2) Emissions Inventory
Region Type: Air District
Region: South Coast AQMD
Calendar Year: 2025
Season: Annual
Vehicle Classification: EMFAC2007 Categories
Units: miles/day for CVMT and EVMT, trips/day for Trips, kWh/day for Energy Consumption, tons/day for Emissions, 1000 gallons/day for Fuel Consumption Region Calendar YVehicle CatModel Yea Speed Fuel Population Total VMT Fuel ConsuFuel Split MPG, MPG, South Coas 2025 HHDT Aggregate Aggregate Gasoline 56.72119 4109.856 1.00199 0.000452 4.101694 6.138742 South Coas 2025 HHDT Aggregate Aggregate Diesel 104913.1 13605802 2216.05 0.999548 6.139663 South Coas 2025 LDA Aggregate Aggregate Gasoline 5388809 2.15E+08 7191.774 0.998605 29.92833 29.94472 South Coas 2025 LDA Aggregate Aggregate Diesel 13906.68 418696.8 10.0457 0.001395 41.6792 South Coas 2025 LDT1 Aggregate Aggregate Gasoline 497455.9 17999149 723.2745 0.999817 24.88564 24.88537 South Coas 2025 LDT1 Aggregate Aggregate Diesel 167.6467 3101.137 0.132443 0.000183 23.41482 South Coas 2025 LDT2 Aggregate Aggregate Gasoline 2603678 1.07E+08 4374.284 0.997354 24.5731 24.59427 South Coas 2025 LDT2 Aggregate Aggregate Diesel 8796.37 378041 11.60574 0.002646 32.57362 South Coas 2025 LHDT1 Aggregate Aggregate Gasoline 205266.9 8110009 580.7083 0.719875 13.96572 15.83978 South Coas 2025 LHDT1 Aggregate Aggregate Diesel 111060.2 4667620 225.9715 0.280125 20.65579 South Coas 2025 LHDT2 Aggregate Aggregate Gasoline 31970.23 1183187 97.13095 0.450539 12.18135 15.05322 South Coas 2025 LHDT2 Aggregate Aggregate Diesel 49620.94 2062111 118.4572 0.549461 17.40806 South Coas 2025 MCY Aggregate Aggregate Gasoline 252661.4 1614784 38.74127 1 41.68124 41.68124 South Coas 2025 MDV Aggregate Aggregate Gasoline 1634952 63253755 3169.302 0.989561 19.95826 20.00212 South Coas 2025 MDV Aggregate Aggregate Diesel 20570.99 807748.5 33.43349 0.010439 24.15986 South Coas 2025 MH Aggregate Aggregate Gasoline 29165.48 280201.3 57.65573 0.82681 4.859904 5.768027 South Coas 2025 MH Aggregate Aggregate Diesel 12429.91 122019.2 12.07704 0.17319 10.1034 South Coas 2025 MHDT Aggregate Aggregate Gasoline 24929.99 1334681 255.9905 0.312907 5.21379 7.791513 South Coas 2025 MHDT Aggregate Aggregate Diesel 119577.2 5039597 562.1147 0.687093 8.965424 South Coas 2025 OBUS Aggregate Aggregate Gasoline 5258.137 208336.2 40.66862 0.54713 5.122775 6.007104 South Coas 2025 OBUS Aggregate Aggregate Diesel 3132.978 238176.9 33.66222 0.45287 7.075494 South Coas 2025 SBUS Aggregate Aggregate Gasoline 2910.898 130742.1 14.58637 0.614391 8.963306 8.344243 South Coas 2025 SBUS Aggregate Aggregate Diesel 3330.728 67359.96 9.154797 0.385609 7.357888 South Coas 2025 UBUS Aggregate Aggregate Gasoline 892.0637 96751.77 13.80115 0.985191 7.010415 7.00775 South Coas 2025 UBUS Aggregate Aggregate Diesel 11.1976 1417.051 0.20746 0.014809 6.830476

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Toll Brothers Laguna Hills Townhome Project
Construction Health Risk Assessment
City of Laguna Hills, California
January 28, 2026

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RK1234 // 1234-2024-01
Toll Brothers Laguna Hills Townhome Project
Construction Health Risk Assessment
City of Laguna Hills, California
Prepared for:

CITY OF LAGUNA HILLS, CA
24035 El Toro Road
Laguna Hills, CA 92653
Prepared by:

RK Engineering Group, Inc.
1401 Dove Street, Ste. 540
Newport Beach, CA 92660
Bryan Estrada, T.E.

Becca Morrison

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Table of Contents
Section Page

1.0 Introduction ................................................................................................................... 1-1

1.1 Purpose of Report & Study Objectives ............................................................................. 1-1

1.2 Site Location & Project Description .................................................................................. 1-1

1.3 Sensitive Receptors ............................................................................................................. 1-1

1.4 Summary of Analysis Results .............................................................................................. 1-2

2.0 Regulatory Setting ......................................................................................................... 2-1

2.1 Description of Toxic Air Contaminants (TACs) ................................................................ 2-1

2.2 Federal Regulation of TACs ............................................................................................... 2-1

2.3 State Regulation of TACs .................................................................................................... 2-2

2.3.1 State Agencies and Guidance Documents ......................................................... 2-2

2.3.2 Legislative Framework for TAC and Risk Programs ........................................... 2-3

2.4 Regional Regulation of TACs ............................................................................................. 2-4

2.4.1 South Coast Air Quality Management District (SCAQMD) ................................ 2-4

3.0 Environmental Setting ................................................................................................... 3-1

3.1 South Coast Air Basin (SCAB) ............................................................................................ 3-1

3.2 Local Climate and Meteorology ........................................................................................ 3-1

3.3 Local Background Health Risks ......................................................................................... 3-2

4.0 Modeling Parameters and Assumptions ........................................................................ 4-1

4.1 Construction Assumptions ................................................................................................. 4-1

4.1.1 Offroad Equipment Emissions Assumptions ...................................................... 4-1

4.1.2 Offsite Motor Vehicle Emissions Assumptions ................................................... 4-2

4.2 Air Dispersion Model Assumptions .................................................................................. 4-3

4.2.1 Model Assumptions ............................................................................................... 4-3

4.2.2 Emission Source Assumptions .............................................................................. 4-3

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Table of Contents
Section Page

4.2.3 Meteorological Data .............................................................................................. 4-4

4.2.4 Modeled Sensitive Receptors ............................................................................... 4-4

4.3 Risk Assessment Methodology .......................................................................................... 4-5

4.3.1 Cancer Health Risk Assessment Methodology ................................................... 4-5

4.3.2 Non-Cancer Health Risk Characterization ........................................................... 4-6

5.0 Significance Thresholds ................................................................................................. 5-1

6.0 Health Risk Assessment Results ..................................................................................... 6-2

6.1 Unmitigated Health Risk Assessment Results .................................................................. 6-2

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List of Exhibits
Exhibit No.

Location Map ........................................................................................................................................................... A Site Plan .................................................................................................................................................................... B Wind Rose Plot – Anaheim (ANAH) Station ......................................................................................................... C Construction Emissions Source Locations – 3rd Trimester Exposure Scenario .............................................. D Construction Emissions Source Locations – Infant Exposure Scenario ........................................................... E Modeled Receptor Locations ................................................................................................................................ F Contour Map – Unmitigated Construction Emissions Concentrations (3rd Trimester Exposure Scenario) ......................................................................................................................... G Contour Map – Unmitigated Construction Emissions Concentrations (Infant Exposure Scenario) ........... H

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List of Tables
Table No. Page
Table 3-1 | Meteorological Summary1 .................................................................................................... 3-2 Table 3-2 | Regional Health Risk Estimates ............................................................................................ 3-3 Table 4-1 | Annual Construction Emissions Factors by Phase ............................................................. 4-2 Table 4-2 | Dispersion Model Assumptions .......................................................................................... 4-3 Table 4-3 | Dispersion Model Source Configurations .......................................................................... 4-4 Table 4-4 | Cancer Risk Calculation Values for DPM Exposure ........................................................... 4-6 Table 5-1 | SCAQMD Health Risk Assessment Significance Thresholds1 .......................................... 5-1 Table 6-1 | Unmitigated Construction Health Risk Levels .................................................................... 6-2 Table 6-2 | Unmitigated Estimated Cancer Burden.............................................................................. 6-3

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List of Appendices
Appendix ID
CalEEMod Emissions Outputs .............................................................................................................................. A Emission Factors Calculation Worksheets .......................................................................................................... B AERMOD Output Sheets ........................................................................................................................................ C Health Risk Calculation Worksheets ...................................................................................................................... D

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1.0 Introduction

1.1 Purpose of Report & Study Objectives
The purpose of this Health Risk Assessment (HRA) is to evaluate the potential health risks generated from the construction of the Toll Brothers Laguna Hills Townhome Project (hereinafter referred to as “project”).

This assessment was conducted within the context of the California Environmental Quality Act (CEQA, California Public Resources Code Sections 21000, et seq.). The methodology follows the State of California Office of Environmental Health Hazard Assessment (OEHHA), California Air Resources Board (CARB), and the Southern California Air Quality Management District (SCAQMD) recommendations for quantification of emissions and evaluation of potential impacts.

1.2 Site Location & Project Description
The proposed project site will be constructed on the 2.43-acre parcel at 23161 Mill Creek Drive (APN 588-142-07) in the City of Laguna Hills, Orange County, California (Project Site). The project site is located on the west side of Mill Creek Drive, approximately 0.27 miles south of the Lake Forest Drive, Mill Creek Drive, and Scientific Intersection. The project site is currently developed with a two-story office building, surface parking lot, and associated landscaping and pavement. Exhibit A shows the location map of the proposed project.

The proposed project consists of the demolition of the existing office building and associated surface parking lot and landscaping to construct 36 single-family-attached condominium residential units, parking, roadways, and associated infrastructure at a density of 14.8 dwelling units per acre (du/ac).

Two units will be deed-restricted for very low-income households, while the remaining 34 units are designated as above-moderate income.

Construction activities are expected to consist of demolition, site preparation, grading, building construction, paving, and architectural coating. During construction, the project would demolish approximately 34,200 square feet of building area, 29,461 square feet of asphalt, and 5,000 square feet of hardscape. The project would require the import/export of up to approximately 35,000 cubic yards of earthwork material for grading purposes. All mobile off-road diesel construction equipment including generators will be equipped with Tier 4 low emission “clean diesel” engines.

Exhibit B shows the proposed site plan used for this analysis.

1.3 Sensitive Receptors
Sensitive receptors are considered land uses or other types of population groups that are more sensitive to air pollution exposure. Sensitive population groups include children, the elderly, the acutely and chronically ill, and those with cardio-respiratory diseases.

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For CEQA purposes, the SCAQMD considers a sensitive receptor to be a location where a sensitive individual could remain for 24 hours or longer, such as residences, hospitals, and schools (etc.), as described in the Localized Significance Threshold Methodology (SCAQMD 2008a, page 3-2). The sensitive receptors near the project site are listed below.

A project site location map, including sensitive receptor locations, is provided in Exhibit A.

Receptor-1 Existing residential land uses located to the west of the proposed project site. The nearest residential home located at Receptor-1 (marked as circle “1” on Exhibit A) is located approximately 80 feet (~24 meters) west of the project site’s western boundary.

1.4 Summary of Analysis Results
The analysis results indicate that the maximum estimated unmitigated construction-related cancer risk is approximately 2.6625 in one million, which is well below the SCAQMD significance threshold of 10.

Therefore, construction-related cancer risk impacts would be less than significant.

The maximum estimated unmitigated non-cancer chronic hazard index at this location is approximately 0.0039, which is well below the SCAQMD significance threshold of 1.0. Therefore, construction-related non-cancer health risk impacts would be less than significant.

Finally, the unmitigated construction-related cancer burden at this location is approximately 0.0014, which does not exceed the SCAQMD significance threshold of 0.5. Therefore, unmitigated construction-related cancer burden impacts would be less than significant.

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1 Exhibit A Location Map 3075-2025-69 TOLL BROTHERS LAGUNA HILLS TOWNHOME PROJECT // CITY OF LAGUNA HILLS ENGINEERING GROUP INC. Legend N 1 = Sensitive Receptor Location = Project Site Boundary Mill Creek Drive Moulton Parkway Santa Vittoria Drive

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Exhibit B Site Plan ENGINEERING GROUP INC. 3075-2025-69 TOLL BROTHERS LAGUNA HILLS TOWNHOME PROJECT // CITY OF LAGUNA HILLS N

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2.0 Regulatory Setting
The following section provides background information on toxic air contaminants (TACs) and the applicable federal, state, and local regulations for controlling them.

2.1 Description of Toxic Air Contaminants (TACs)
The following section describes the toxic air contaminants (TACs) of concern related to the project.

The California Health and Safety Code (California State Assembly, 1983) defines a TAC as an air pollutant that can cause or contribute to increased mortality or serious illness or pose a present or potential hazard to human health. Under federal law, any substance listed as a hazardous air pollutant under Section 112(b) of the Clean Air Act (42 U.S.C. Section 7412[b]) is also considered a TAC. In California, the California Environmental Protection Agency (Cal/EPA), through the California Air Resources Board (CARB), may identify a substance as a TAC if it determines that the substance may cause or contribute to serious health effects.

To date, CARB has identified over 200 compounds as TACs, several of which are subject to control measures due to their elevated health risks and potential for effective regulation. Unlike criteria air pollutants, which have established ambient air quality standards and defined threshold levels, there is no safe level of exposure for many carcinogenic TACs. Even low concentrations may pose health risks, particularly for long-term exposures.

The majority of estimated health risk from TACs is attributed to a small number of compounds, with diesel particulate matter (DPM) representing the most significant contributor statewide. DPM consists of fine carbon particles coated with toxic organic compounds, and its small size allows it to penetrate deep into the lungs. In 1998, CARB identified DPM as a TAC based on evidence linking diesel exhaust exposure to lung cancer and other adverse health outcomes. In 2012, the World Health Organization’s International Agency for Research on Cancer (IARC) classified diesel engine exhaust as “carcinogenic to humans,” reinforcing CARB’s earlier determination.

In addition to DPM, other TACs that contribute to overall health risk in California include benzene, 1,3- butadiene, and formaldehyde. These pollutants, while typically present at low ambient concentrations, are associated with increased cancer risk. CARB and the South Coast Air Quality Management District (SCAQMD) maintain air monitoring networks throughout the South Coast Air Basin (SCAB) to assess ambient TAC concentrations and evaluate potential health risks. DPM is not directly measured in ambient air but is estimated using fine particulate matter data and source apportionment studies.

According to CARB, diesel engine emissions are estimated to account for approximately 70 percent of the known statewide cancer risk attributable to TAC exposure.

2.2 Federal Regulation of TACs
At the federal level, toxic air contaminants—referred to as hazardous air pollutants (HAPs)—are regulated under the Clean Air Act (CAA), primarily through Section 112. The U.S. Environmental

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Protection Agency (EPA) has identified 188 HAPs known or suspected to cause cancer or other serious health effects. To control emissions of these pollutants, the EPA establishes National Emission Standards for Hazardous Air Pollutants (NESHAPs), which apply to specific industrial source categories. These standards mandate the implementation of Maximum Achievable Control Technology (MACT) to reduce emissions effectively.

The EPA regularly reviews and updates NESHAPs to incorporate advancements in emission control technologies and to address residual risks. Compliance with these federal regulations is enforced through permitting processes and regular inspections, ensuring that facilities adhere to established emission limits and implement necessary control technologies.

2.3 State Regulation of TACs
The State of California’s regulatory authority is distributed across several agencies and legislative programs that support health risk evaluations and emissions control, as discussed in the following sections.

2.3.1 State Agencies and Guidance Documents

2.3.1.1 California Air Resources Board (CARB)
The California Air Resources Board (CARB) is a department within the California Environmental Protection Agency that oversees State of California air quality programs. CARB’s responsibilities include setting the State’s air quality standards, identifying pollutants that pose the greatest health risks, measuring pollution reduction progress, researching causes, effects, and potential solutions of air pollution problems, and determining the costs and benefits of pollution controls.

CARB is also responsible for identifying TACs under the Toxic Air Contaminant Identification and Control Act (AB 1807, 1983) and establishing Airborne Toxic Control Measures (ATCMs) to reduce emissions.

CARB published the Air Quality and Land Use Handbook: A Community Health Perspective (CARB Handbook, 2005) and the Technical Advisory: Strategies to Reduce Air Pollution Exposure Near HighVolume Roadways (2017) to serve as reference guides for assessing and mitigating potential air pollution impacts from new projects in the land use decision making process. Per the CARB Handbook, both respiratory and other non-cancer health effects have been linked to high-traffic roadways. Furthermore, research indicates that diesel exhaust and other carcinogenic chemicals from vehicles significantly contribute to the overall cancer risk from airborne toxins in California. The CARB Handbook advises planning agencies to consider how the layout of new developments can minimize population exposure and risk. For instance, avoiding the placement of new sensitive land uses within 500 feet of freeways, urban roads with 100,000 or more vehicles per day, or rural roads with 50,000 or more vehicles per day can help reduce exposure and risk.

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2.3.1.2 Office of Environmental Health Hazard Assessment (OEHHA) OEHHA is the lead agency for developing health-based guidance values used in risk assessments, including Reference Exposure Levels (RELs) for non-cancer effects and Cancer Potency Factors (CPFs) for carcinogens. These values are central to evaluating TAC risks in both regulatory and CEQA contexts.

In partnership with CARB, OEHHA developed the Air Toxics Hot Spots Program Guidance Manual for Preparation of Health Risk Assessments (2015). This manual aids in implementing the Air Toxics Hot Spots Program (Health and Safety Code Section 44360). It details health effect values, exposure pathways (such as breathing rates), and a tiered approach for conducting HRAs based on the latest scientific and policy insights. The manual's goals include addressing children's health concerns, updating risk assessment practices, and standardizing risk assessment procedures.

2.3.1.3 California Air Pollution Control Officers Association (CAPCOA) In 2009, CAPCOA released guidelines on evaluating health risks associated with proposed land use projects. These guidelines focus on the acute, chronic, and cancer impacts of sources regulated by the California Environmental Quality Act (CEQA). They provide recommendations on when a project should undergo further risk evaluation, how to perform Health Risk Assessments (HRAs), how to involve the public, what to do with the HRA results, and what mitigation measures might be suitable for different land use projects.

2.3.2 Legislative Framework for TAC and Risk Programs

2.3.2.1 Toxic Air Contaminant Identification and Control Act (AB 1807) California’s Air Toxics Program, established under the Toxic Air Contaminant Identification and Control Act (AB 1807), aims to reduce public exposure to harmful airborne substances through a twostep process: risk identification and risk management. In the first step, CARB and OEHHA assess the health risks and exposure potential of candidate substances to determine if they should be classified as Toxic Air Contaminants (TACs), with public input and scientific review playing key roles. If a substance is designated as a TAC, CARB then collaborates with local air districts, industry, and the public to develop appropriate control measures based on emissions data, exposure levels, health risks, and control technology feasibility. As of now, CARB has identified around 200 TACs and implemented 26 control measures targeting both mobile and stationary sources.

2.3.2.2 Air Toxics Hot Spots Act (AB 2588)
The Air Toxics "Hot Spots" Information and Assessment Act (AB 2588), enacted in 1987, mandates that stationary sources report the types and quantities of specific air pollutants they routinely emit. Its primary objectives are to gather emissions data, identify facilities with localized air quality impacts, assess associated health risks, notify nearby residents of significant risks, and ensure those risks are mitigated to acceptable levels.

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2.3.2.3 Community Air Protection Program (AB 617)
AB 617 (2017) mandates annual emissions reporting for certain stationary sources and directs CARB to develop community-scale air monitoring in high priority locations. In response to AB 617, CARB established the Community Air Protection Program. The focus of the Program is to reduce exposure to communities most impacted by air pollution. The program focuses on both criteria air pollutants and TACs, with real-time data made available to the public.

2.4 Regional Regulation of TACs

2.4.1 South Coast Air Quality Management District (SCAQMD) The South Coast Air Quality Management District (SCAQMD) is the regional agency responsible for regulating air quality in the South Coast Air Basin, encompassing Orange County and the non-desert regions of Los Angeles, Riverside, and San Bernardino counties. SCAQMD develops and enforces rules to reduce emissions from stationary sources, administers permitting programs, and implements air quality management plans to achieve compliance with federal and state air quality standards.

2.4.1.1 SCAQMD Health Risk Assessment (HRA) Procedures
The SCAQMD published the most recent version of their South Coast Air Quality Management District Risk Assessment Procedures for Rules 1401, 1401.1, and 212 (SCAQMD Guidelines) in October 2024.

These guidelines describe the Risk Assessment Procedures, pursuant to Rule 1401(e)(1), for preparing HRAs. The SCAQMD Guidelines are intended to be a “living” document and contain required assumptions, incorporating OEHHA guidance, for risk assessment calculations.

2.4.1.2 Relevant SCAQMD Rules and Regulations
The SCAQMD Rules applicable to TAC emissions include, but are not limited to, the following:
• Rule 1401 – New Source Review of Toxic Air Contaminants. Rule 1401 sets risk-based thresholds for new, relocated, or modified equipment that emits TACs. It aims to limit maximum individual cancer risk (MICR), cancer burden, and noncancer hazard indices (acute and chronic) from these sources. The rule applies to permit applications submitted on or after June 1, 1990, including previously unpermitted equipment if the permit to operate was filed after that date. It also covers certain equipment exempt from written permits under Rule 219 if associated health risks exceed specified levels. • Rule 1401.1 – Requirements for New and Relocated Facilities Near Schools. Rule 1401.1 provides enhanced health protections for children by regulating toxic air emissions from new or relocated facilities near schools or schools under construction. It does not apply to existing facilities. Permit applications for such facilities are evaluated based on this rule, the toxic air contaminant list in Rule 1401, and current risk assessment procedures at the time the application is deemed complete.

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• Rule 1402 – Control of Toxic Air Contaminants from Existing Sources. Rule 1402 aims to reduce health risks from toxic air emissions at existing facilities by establishing limits for maximum individual cancer risk (MICR), cancer burden, and noncancer hazard indices (acute and chronic). Facilities exceeding specified risk levels must prepare Risk Reduction Plans to comply with health thresholds. The rule requires submission of Air Toxics Inventory Reports, Health Risk Assessments, and public notifications, and applies to facilities identified under the Hot Spots Act or those with emissions potentially exceeding the Notification Risk Level.
• Rule 212 – Standards for Approving Permits and Issuing Public Notice. Rule 212 outlines the criteria under which the Executive Officer may approve or deny permits for equipment that emits or controls air contaminants. Permits are denied if equipment is not expected to comply with air quality rules or is not constructed as approved. Public notification is required at least 30 days in advance for certain new or modified projects, especially those near schools (within 1,000 feet), or those with emission increases exceeding specified thresholds or toxic risk levels. The rule also details procedures for public notification distribution, appeal timelines, and responsibilities of applicants in informing the community. It applies retroactively to unpermitted equipment and facilities with emissions triggering risk-based thresholds.

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3.0 Environmental Setting
The following section provides background information on the existing location and environmental setting in the vicinity of the proposed project site.

3.1 South Coast Air Basin (SCAB)
The proposed project site is located in the City of Laguna Hills, California, within the South Coast Air Basin (SCAB), which falls under the jurisdiction of the SCAQMD. The SCAB includes all of Orange County and parts of Los Angeles, Riverside, and San Bernardino counties. Air quality in the basin is influenced by dominant airflows, topography, atmospheric inversions, location, season, and time of day.

3.2 Local Climate and Meteorology
Dominant airflows are the primary mechanism for the transport and dispersion of air pollution within the SCAB. The San Gabriel, San Bernardino, and San Jacinto Mountains border the northern and eastern extents of the air basin and provide a natural barrier to the dispersion of air contaminants.

The SCAQMD maintains 26 meteorological data collection stations throughout the District’s jurisdiction. Meteorological data from the 5 most recent years that meet the established completeness criteria is processed by the SCAQMD for use in dispersion modeling. Other information provided includes station details, surface characteristics, and temperature ranges.

The nearest meteorological data collection station to the proposed project site is the Mission Viejo (MSVJ) station. For the purposes of this analysis, meteorological data for the MSVJ station collected in the years 2017 through 2021 are used to represent local weather conditions and prevailing winds.

Exhibit C shows the wind rose from data measured at this station and the wind patterns for the project area.

In addition to the above-mentioned SCAQMD meteorological data stations, the Western Regional Climate Center (WRCC) maintains weather monitoring stations throughout Southern California and parts of Arizona and Nevada. The nearest WRCC weather station to the proposed project site is the Laguna Beach, CA (044647) station. Climatological data from this station is summarized in Table 3-1.

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Table 3-1 | Meteorological Summary1
Month
Temperature (°F) Mean
Precipitation
Max. (inches) Min. Mean
January 65.1 43.0 54.1 2.43
February 66.1 44.1 55.1 2.77
March 67.1 45.8 56.5 2.01
April 69.0 48.4 58.7 0.98
May 70.9 53.0 62.0 0.25
June 73.1 56.1 64.6 0.10
July 76.5 59.3 67.9 0.03
August 78.1 59.6 68.9 0.07
September 77.5 58.2 67.9 0.26
October 74.5 53.7 64.1 0.47
November 70.4 47.5 59.0 1.24
December 66.1 43.4 54.8 1.92
Annual 71.2 51.0 61.1 12.52
1 Source: Western Regional Climate Center. Averages derived from measurements recorded between 1928 and 2016 at Laguna Beach, CA (044647).

3.3 Local Background Health Risks
The project site is located within a region that has been characterized for existing ambient health risks as part of the SCAQMD’s Multiple Air Toxics Exposure Study V (MATES-V). MATES-V is the latest iteration of the SCAQMD’s monitoring and modeling effort conducted to assess long-term population exposure to air toxics in the SCAB. The study evaluates both cancer and non-cancer health risks based on regional ambient air quality data and dispersion modeling.

Table 3-2 below shows the regional lifetime cancer risk and non-cancer chronic hazard index reported by MATES-V for the project site area. These values are compared to the corresponding figures for the County of Orange as a whole. The values shown in Table 3-2 reflect continuous exposure over a 70- year lifetime to existing background levels of TACs in their respective regions.

As shown in the table below, the lifetime cancer risk in the project area is approximately 325 per one million, and the non-cancer chronic hazard index is approximately 4.5. In comparison, the average lifetime cancer risk for Orange County is reported at approximately 390 per one million.

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Table 3-2 | Regional Health Risk Estimates
Region/Area Lifetime Cancer Risk
(per one million)
Chronic Non-Cancer
Hazard Index
Project Vicinity1 325 4.5
Orange County2 390 Not Reported
1 Source: MATES-V Online Data Visualization Tool. MATES Data Visualization. 2 Source: SCAQMD. Multiple Toxics Exposure Study in the South Coast AQMD Final Report, Table 4-8: County-Wide Population-Weighted Air Toxics Cancer Risk for Inhalation-Only and for Multiple-Pathway Factors (August 2021).

It should be noted that the previous MATES-IV version of the study, released in 2015, estimated a higher cancer risk of approximately 555.85 per one million for the project site vicinity. The reduction between MATES-IV and MATES-V is largely attributed to mobile source regulations, cleaner technology adoption, and fleet turnover.

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ENGINEERING
GROUP INC.

Exhibit C
Wind Rose Plot - Mission Viejo (MSVJ) Station
3075-2025-69

TOLL BROTHERS LAGUNA HILLS TOWNHOME PROJECT // CITY OF LAGUNA HILLS

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4.0 Modeling Parameters and Assumptions
The AERMOD Gaussian Plume Air Dispersion Model Version 13.0.0 (AERMOD) was used to calculate TAC emissions from the construction of the project. AERMOD is a regulatory air quality dispersion model developed by the American Meteorological Society and the Environmental Protection Agency (EPA). It is used to estimate the dispersion of air pollutants from stationary and mobile sources, taking into account various factors such as terrain, meteorology, and the nature of the pollutant sources. The assumptions and modeling parameters used for this analysis are described below.

For this analysis, emissions rates input into AERMOD were derived from the California Emissions Estimator Model (CalEEMod). CalEEMod is the state-approved tool for estimating criteria pollutant and TAC emissions from construction and operational activities, based on activity type, equipment fleet, and duration of use. Exhaust PM10 emissions reported by CalEEMod were used as a surrogate for diesel particulate matter (DPM). These modeled emission rates served as inputs to AERMOD, which then calculated dispersion and receptor-specific concentrations for the health risk assessment.

CalEEMod emissions outputs are provided in Appendix A.

4.1 Construction Assumptions
Construction activities are expected to consist of demolition, site preparation, grading, building construction, paving, and architectural coating. During construction, the project would demolish approximately 34,200 square feet of building area, 29,461 square feet of asphalt, and 5,000 square feet of hardscape. The project would require the import/export of up to approximately 35,000 cubic yards of earthwork material for grading purposes. All mobile off-road diesel construction equipment including generators will be equipped with Tier 4 low emission “clean diesel” engines.

Diesel particulate matter (DPM) emissions will be generated from onsite construction equipment throughout all phases of construction. In addition, offsite DPM emissions will result from haul truck trips associated with demolition and grading activities. The methodology used to estimate both onsite and offsite construction-related DPM emissions is described below.

4.1.1 Offroad Equipment Emissions Assumptions
Weighted annual average DPM emission rates were developed from CalEEMod outputs for each year of construction. The project’s construction schedule and estimated DPM emissions are based on the Toll Brothers Laguna Hills Townhome Project Air Quality, Greenhouse Gas, and Energy Impact Study, Laguna Hills, California, Appendix A – CalEEMod Emissions Calculations Outputs. The PM10 exhaust emissions reported in the Air Quality Study were utilized to calculate weighted averages for each year of construction. These weighted averages were applied as surrogates for DPM emissions within the air dispersion model.

Table 4-1 summarizes the weighted average PM10 exhaust emission factors by construction year.

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Because project construction is anticipated to occur for less than three years in total, only impacts to the most sensitive receptor groups, including third trimester and infants, were evaluated. Exposure frequency and duration were adjusted as appropriate to reflect the expected number of construction days and the overall construction schedule.

Table 4-1 | Annual Construction Emissions Factors by Phase Exposure Period Year of Construction
Annual Offroad DPM
Emissions
(tons/year)
Third Trimester 1 0.0036203
Infant 1-2 0.0029623
The emissions shown in Table 4-1 above are represented in the model as an area source equal to the size of the project’s construction area within the air dispersion model. A representative release height of 3 meters was assumed to reflect the average exhaust elevation of typical construction equipment.

The locations of modeled construction-related emissions during the Third Trimester and Infant exposure scenarios are shown in Exhibits D and E, respectively. Emission factor calculation worksheets are provided in Appendix B.

4.1.2 Offsite Motor Vehicle Emissions Assumptions
During construction, the project would demolish approximately 34,200 square feet of building area, 29,461 square feet of asphalt, and 5,000 square feet of hardscape. In addition, the project would require the import/export of up to approximately 35,000 cubic yards of earthwork material for grading purposes.

Offsite vehicle source emissions were calculated using the following key inputs:
• Daily Truck Trips – the number of hauling trips per day; • Vehicle Fleet Mix – the percentage breakdown of vehicle types (i.e., trucks by axle number); and
• Emission Factors – the amount of emissions generated as a function of vehicle type, vehicle speed, and pollutant for a given time or distance.

The CalEEMod default estimates for daily hauling trips associated with demolition and grading are 51 trips per day and 729 trips per day, respectively. To be conservative, offsite motor vehicle emissions were modeled based on 729 trips per day.

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Consistent with default CalEEMod vehicle fleet mix assumptions, it is assumed that all hauling trips associated with project construction will consist of heavy-heavy duty (HHDT) vehicles. Exhibit D shows the locations of modeled operational roadway emissions sources.

Because offsite demolition and grading hauling activities would occur only during the first month of construction, associated emissions were modeled exclusively for the third trimester (0.25 year) exposure scenario. These emissions were not included in the infant (1-2 year) exposure scenario, as construction-related hauling would not occur during subsequent phases.

4.2 Air Dispersion Model Assumptions
Health risk impacts from DPM emissions were estimated using the AERMOD dispersion model. The results of the air dispersion model are provided in Appendix C.

4.2.1 Model Assumptions
The general model assumptions utilized for this analysis are shown in Table 4-2.

Table 4-2 | Dispersion Model Assumptions
Feature Operation
Terrain Processing Elevated terrain
Regulatory Dispersion Options Default assumptions used
Land Use Urban
Coordinate System UTM
Building Downwash Not included in calculations1
Receptor Height 0 meters
1 Building downwash effects in AERMOD are only applicable to point source emissions. Since the construction phase does not include any point sources, building downwash is not considered in this analysis.

4.2.2 Emission Source Assumptions
Each emission source requires project-specific assumptions for use in AERMOD. Table 4-3 summarizes the assumptions used to configure the emissions sources assessed in this analysis. For the purposes of this analysis, emission sources are sorted into two categories:
• Area Source: Represents emissions distributed over a specific area rather than a single point. The emissions are characterized by parameters such as the emission rate per unit area, the dimensions of the area, and the release height. For this analysis, area sources are utilized to represent onsite construction-related emissions.

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• Line Source: Represents emissions distributed along a linear path, such as a roadway or railway. The emissions are characterized by parameters such as the emission rate per unit length, the length of the line, and the release height. For this analysis, line sources are utilized to represent the study roadways and areas of onsite vehicle travel.

Table 4-3 | Dispersion Model Source Configurations
Emission Source
Type Configuration Relevant Assumptions
Onsite Construction
Activity Area Sources • Source height: 3 meters (~9.84 feet) Offsite Vehicle
Traffic1 Line Sources
• 729 daily hauling trips
• Stack release height: 3.5 meters (~11.48 feet)
• Vehicle speeds:
25 m.p.h. along Mill Creek Drive
• Vehicle Types: HHDT
• Emission Factors: CARB EMFAC2025
1 Emissions associated with offsite vehicle traffic are modeled during the third trimester (0.25 year) exposure scenario only, as hauling activity is expected to occur only during the demolition and grading phases of construction.

4.2.3 Meteorological Data
Meteorological data recorded over hourly intervals are also utilized within AERMOD to determine the direction and rate of dispersion of emissions released into the atmosphere. The SCAQMD maintains 26 meteorological data collection stations throughout the District’s jurisdiction. Meteorological data from the 5 most recent years that meet the established completeness criteria is processed by the SCAQMD for use in dispersion modeling. Other information provided includes station details, surface characteristics, and temperature ranges.

The nearest meteorological data collection station to the proposed project site is the Mission Viejo (MSVJ) station. For the purposes of this analysis, meteorological data for the MSVJ station collected in 2017 through 2021 are used to represent local weather conditions and prevailing winds.

4.2.4 Modeled Sensitive Receptors
Sensitive receptors are considered land uses or other types of population groups that are more sensitive to air pollution exposure. Individuals who may be more sensitive to toxic exposures than the general population are distributed throughout the total population. Sensitive populations may include young children and chronically ill individuals.

For the purposes of this analysis, receptors were modeled at the first row of sensitive structures facing the project site within each sensitive receptor group identified in Section 1.3 of this report. In addition, the identified sensitive receptor locations were supplemented by the specification of a modeling grid

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that extended around the proposed project and study area to identify other potential locations of impact.

Exhibit F shows the locations of each receptor placed in the air dispersion model.

4.3 Risk Assessment Methodology
DPM emissions sources associated with project construction include onsite construction activity and offsite hauling trips. The calculations used to calculate cancer risk are based on the methodology published by the SCAQMD and OEHHA.

For the purposes of this analysis, potential health risks to the adjacent receptors are expressed in terms of increased cancer and non-cancer health risks as a result of exposure to DPM emissions.

4.3.1 Cancer Health Risk Assessment Methodology
The cancer risk resulting from DPM emissions is calculated by multiplying the annual average DPM concentrations calculated using the AERMOD model at each receptor location and an inhalation exposure factor, as shown in the equation below.

𝐶𝑎𝑛𝑐𝑒𝑟 𝑅𝑖𝑠𝑘DPM = 𝐷𝑜𝑠𝑒air 𝑥 𝐶𝑃𝐹 𝑥 𝐴𝑆𝐹 𝑥
𝐸𝐷
𝐴𝑇
Where:
• Doseair = dose by inhalation (mg/kg/day), per age group; • CPF = cancer potency factor, chemical specific (mg/kg/day); • ASF = age sensitivity factor, per age group;
• ED = exposure duration (years); and
• AT = averaging time period over which exposure duration is averaged (70 years).

The dose by inhalation utilized for each age group was determined using the following equation.

𝐷𝑜𝑠𝑒air, per age group = (𝐶air 𝑥 𝐸𝐹 𝑥 𝐵𝑅 𝑥 𝐴 𝑥 𝐶𝐹)
Where:
• Cair = concentration of contaminant in air (µg/m3
);
• EF = exposure frequency (number of days per 365 days); • BR = breathing rate per age group;

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• A = inhalation absorption factor (default = 1); and
• CF = conversion factor (1x10-6, µg to mg, L to m3
).

Table 4-3 shows the assumptions and values utilized in the above equations to calculate the cancer risk resulting from DPM exposure at each onsite receptor location.

It should be noted that, consistent with OEHHA and SCAQMD guidance, health risk assessments for construction-related DPM typically evaluate potential exposures for third trimester, infant, child, and adult receptors. However, because construction of the proposed project would occur over a relatively short duration of approximately six years, a full 30-year adult exposure scenario is not applicable.

Accordingly, this analysis evaluates third trimester (0.25-year), infant (0-2 years), and child (2-16 years) exposure scenarios, which together represent the most sensitive potential life stages during the construction period. Excluding the adult exposure scenario is appropriate in this case, as no long-term operational source of DPM emissions would remain after construction is complete.

Cancer risk calculation worksheets are provided in Appendix D.

Table 4-4 | Cancer Risk Calculation Values for DPM Exposure Receptor
Category
Age Range
(years)
CPF1
(mg/kg/day) ASF2 ED3(Years)
EF4
(days/year)
BR5
(L/kg per 8
hours)
3rd Trimester 0.25

1.1 10 0.25
350
361
Infant 0-2 10 2 1,090
1 Inhalation cancer potency factor for Diesel Particulate Matter, per the OEHHA/ARB Approved Risk Assessment Health Values. https://ww2.arb.ca.gov/sites/default/files/classic/toxics/healthval/contable01072025v2.pdf. 2 Age sensitivity factor, per the OEHHA Air Toxics Hot Spots Program Guidance Manual, Table 8.3: Age Sensitivity Factors by Age Group for Cancer Risk Assessment.
3 ED = Exposure Duration.
4 EF = Exposure frequency (number of days per 365 days). Per the OEHHA Air Toxics Hot Spots Program Guidance Manual, the recommended default exposure frequency is 350 days for residential receptors. 5 Eight-hour breathing rate, per the OEHHA Air Toxics Hot Spots Program Guidance Manual, Table 5.6: Point Estimates of Residential Daily Breathing Rates for 3rd trimester, 0<2, 2<9, 2<16< 16<30 and 16-70 years (L/kg BW-day).

4.3.2 Non-Cancer Health Risk Characterization
Exposure to TACs can also cause non-cancer illnesses to individuals’ reproductive, respiratory, eye, kidney, blood, and nervous systems (etc.). Risk characterization for non-cancer health risks from TAC exposure is expressed as a hazard index (HI). The HI is a ratio of the predicted concentration of TACs to a concentration considered acceptable to public health professionals, termed the Reference Exposure Level (REL). The following equation is used to calculate the HI.

𝐻𝐼 = 𝐶air/𝑅𝐸𝐿

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Where:
• HI = chronic hazard quotient for DPM;
• Cair = annual average concentration of DPM (µg/m3
); and
• REL = chronic reference exposure level for DPM (5 µg/m3 ).

It should be noted that no acute hazard index was calculated for project-related DPM, as no acute reference exposure level is established for diesel particulate matter.

Non-cancer chronic hazard index calculation worksheets are provided in Appendix D.

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Exhibit D Construction Emissions Source Locations 3rd Trimester Exposure Scenario ENGINEERING GROUP INC. Legend N = Construction Emissions Area Source 3075-2025-69 TOLL BROTHERS LAGUNA HILLS TOWNHOME PROJECT // CITY OF LAGUNA HILLS = Roadway Emissions Source Locations = Study Area Boundary

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Exhibit E Construction Emissions Source Locations Infant Exposure Scenario ENGINEERING GROUP INC. Legend N = Construction Emissions Area Source 3075-2025-69 TOLL BROTHERS LAGUNA HILLS TOWNHOME PROJECT // CITY OF LAGUNA HILLS = Study Area Boundary

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Exhibit F Modeled Receptor Locations ENGINEERING GROUP INC. Legend N = Project Site Boundary = Receptor Location 3075-2025-69 TOLL BROTHERS LAGUNA HILLS TOWNHOME PROJECT // CITY OF LAGUNA HILLS = Study Area Boundary

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5.0 Significance Thresholds
The SCAQMD has established thresholds for the purpose of determining whether pollutant emissions may have a significant effect on the environment per Section 15002(g) of the Guidelines for implementing CEQA. For TACs, the SCAQMD has established thresholds in terms of the maximum individual cancer risk (MICR) and the non-cancer hazard index (HI).

Table 5-1 lists the MICR and HI significance thresholds for the TACs analyzed in this report. These thresholds are applicable to the project’s potential incremental contribution to health risk and do not apply to existing ambient background risk levels.

Table 5-1 | SCAQMD Health Risk Assessment Significance Thresholds1 Category Risk Threshold
Maximum Incremental Cancer Risk ≥ 10 in one million
Cancer Burden > 0.5 excess cancer cases (in areas ≥ 1 in one million) Chronic & Acute Hazard Index ≥ 1 (project increment)
1 Source: SCAQMD Air Quality Significance Thresholds. https://www.aqmd.gov/docs/default-source/ceqa/handbook/southcoast-aqmd-air-quality-significance-thresholds.pdf?sfvrsn=25.

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6.0 Health Risk Assessment Results

6.1 Unmitigated Health Risk Assessment Results
Table 6-1 shows the project’s construction health risk results at each of the modeled sensitive receptor locations. The cancer health risks shown in Table 6-1 represent the total cumulative risk, which is calculated by summing across all age-specific exposure periods. The hazard indices are reported as the highest hazard index from any single exposure period at each receptor.

The cancer and non-cancer health risk calculation worksheets for the project are provided in Appendix D. Exhibits G and H show the emissions concentrations contour maps for the Third Trimester and Infant exposure scenarios, respectively.

As shown in Table 6-1 below, the maximum construction cancer health risk and non-cancer hazard index are approximately 2.6625 and 0.0039, respectively.

As a result, DPM emissions associated with project construction are not expected to result in cancer or non-cancer health risks that exceed the applicable thresholds of significance established by the SCAQMD.

Table 6-1 | Unmitigated Construction Health Risk Levels Sensitive Receptor AERMOD Receptor ID Cancer Risk
(per one million) Hazard Index
1 1 0.3498 0.0006
2 0.3308 0.0012
3 0.8681 0.0039
4 2.3000 0.0027
5 2.6625 0.0032
6 1.3925 0.0017
7 0.7525 0.0009
8 0.5747 0.0034
9 0.3306 0.0021
10 0.1506 0.0008
11 0.0972 0.0002
Maximum Risk 2.6625 0.0039
SCAQMD Threshold 10 1
Exceeds Threshold? No No

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In addition to the above assessment of maximum incremental cancer and non-cancer risk at the adjacent receptors, SCAQMD requires an assessment of cancer burden. Cancer burden is defined as the estimated number of excess cancer cases in the exposed population over a 70-year lifetime. It is calculated by multiplying the maximum incremental cancer risk (expressed per one million) by the estimated exposed population and then dividing by one million, to convert the rate to the expected number of cases.

Based on aerial imagery and parcel counts, there are a maximum of approximately 175 households located within the study area. Per the City of Laguna Hills General Plan 2021-2029 Housing Element Update, the City had an average household size of 2.9 persons per household in the 2014-2018 period. Applying the average household size to the estimated 175 households in the study area, the estimated exposed population is approximately 508 residents.

Table 6-2 summarizes the cancer burden calculations for the construction of the project. As shown in the table below, the estimated total cancer burden is well below the SCAQMD significance threshold of 0.5 excess cancer cases under CEQA.

Table 6-2 | Unmitigated Estimated Cancer Burden
Maximum Incremental
Cancer Risk
(per one million)
Estimated Exposed
Population Estimated Cancer Burden

2.6625 508 0.0014
SCAQMD Cancer Burden Threshold 0.5
Exceeds Threshold? No
Based on this analysis, the construction of the proposed project is not expected to result in a cancer health risk, non-cancer hazard index, or cancer burden which exceeds the applicable SCAQMD thresholds. As a result, the project impact from construction-related DPM emissions would be less than significant.

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Exhibit G Contour Map - Construction Emissions Concentrations (µg/m³) Third Trimester Exposure Scenario ENGINEERING GROUP INC. Legend = 0.0005 - 0.001 = 0.001 - 0.002 = 0.002 - 0.004 = 0.004 - 0.008 = 0.008 - 0.040 = Study Area Boundary N = 0.040 and above 3075-2025-69 TOLL BROTHERS LAGUNA HILLS TOWNHOME PROJECT // CITY OF LAGUNA HILLS

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Exhibit H Contour Map - Construction Emissions Concentrations (µg/m³) Infant Exposure Scenario ENGINEERING GROUP INC. Legend = 0.0005 - 0.001 = 0.001 - 0.002 = 0.002 - 0.004 = 0.004 - 0.008 = 0.008 - 0.040 = Study Area Boundary N = 0.040 and above 3075-2025-69 TOLL BROTHERS LAGUNA HILLS TOWNHOME PROJECT // CITY OF LAGUNA HILLS

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Appendices

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Appendix A
CalEEMod Emissions Outputs

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Toll Brothers Laguna Hills Townhomes Custom Report
Table of Contents

1. Basic Project Information

1.1. Basic Project Information

1.2. Land Use Types

1.3. User-Selected Emission Reduction Measures by Emissions Sector

2. Emissions Summary

2.1. Construction Emissions Compared Against Thresholds

2.2. Construction Emissions by Year, Unmitigated

2.3. Construction Emissions by Year, Mitigated

2.4. Operations Emissions Compared Against Thresholds

2.5. Operations Emissions by Sector, Unmitigated

2.6. Operations Emissions by Sector, Mitigated

3. Construction Emissions Details

3.1. Demolition (2026) - Unmitigated

3.2. Demolition (2026) - Mitigated

3.3. Site Preparation (2026) - Unmitigated

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3.4. Site Preparation (2026) - Mitigated

3.5. Grading (2026) - Unmitigated

3.6. Grading (2026) - Mitigated

3.7. Building Construction (2026) - Unmitigated

3.8. Building Construction (2026) - Mitigated

3.9. Building Construction (2027) - Unmitigated

3.10. Building Construction (2027) - Mitigated

3.11. Paving (2027) - Unmitigated

3.12. Paving (2027) - Mitigated

3.13. Architectural Coating (2027) - Unmitigated

3.14. Architectural Coating (2027) - Mitigated

4. Operations Emissions Details

4.1. Mobile Emissions by Land Use

4.1.1. Unmitigated

4.1.2. Mitigated

4.2. Energy

4.2.1. Electricity Emissions By Land Use - Unmitigated

4.2.2. Electricity Emissions By Land Use - Mitigated

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4.2.3. Natural Gas Emissions By Land Use - Unmitigated

4.2.4. Natural Gas Emissions By Land Use - Mitigated

4.3. Area Emissions by Source

4.3.1. Unmitigated

4.3.2. Mitigated

4.4. Water Emissions by Land Use

4.4.1. Unmitigated

4.4.2. Mitigated

4.5. Waste Emissions by Land Use

4.5.1. Unmitigated

4.5.2. Mitigated

4.6. Refrigerant Emissions by Land Use

4.6.1. Unmitigated

4.6.2. Mitigated

4.7. Offroad Emissions By Equipment Type

4.7.1. Unmitigated

4.7.2. Mitigated

4.8. Stationary Emissions By Equipment Type

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4.8.1. Unmitigated

4.8.2. Mitigated

4.9. User Defined Emissions By Equipment Type

4.9.1. Unmitigated

4.9.2. Mitigated

4.10. Soil Carbon Accumulation By Vegetation Type

4.10.1. Soil Carbon Accumulation By Vegetation Type - Unmitigated

4.10.2. Above and Belowground Carbon Accumulation by Land Use Type - Unmitigated

4.10.3. Avoided and Sequestered Emissions by Species - Unmitigated

4.10.4. Soil Carbon Accumulation By Vegetation Type - Mitigated

4.10.5. Above and Belowground Carbon Accumulation by Land Use Type - Mitigated

4.10.6. Avoided and Sequestered Emissions by Species - Mitigated

5. Activity Data

5.1. Construction Schedule

5.2. Off-Road Equipment

5.2.1. Unmitigated

5.2.2. Mitigated

5.3. Construction Vehicles

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5.3.1. Unmitigated

5.3.2. Mitigated

5.4. Vehicles

5.4.1. Construction Vehicle Control Strategies

5.5. Architectural Coatings

5.6. Dust Mitigation

5.6.1. Construction Earthmoving Activities

5.6.2. Construction Earthmoving Control Strategies

5.7. Construction Paving

5.8. Construction Electricity Consumption and Emissions Factors

5.9. Operational Mobile Sources

5.9.1. Unmitigated

5.9.2. Mitigated

5.10. Operational Area Sources

5.10.1. Hearths

5.10.2. Architectural Coatings

5.10.3. Landscape Equipment

5.10.4. Landscape Equipment - Mitigated

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5.11. Operational Energy Consumption

5.11.1. Unmitigated

5.11.2. Mitigated

5.12. Operational Water and Wastewater Consumption

5.12.1. Unmitigated

5.12.2. Mitigated

5.13. Operational Waste Generation

5.13.1. Unmitigated

5.13.2. Mitigated

5.14. Operational Refrigeration and Air Conditioning Equipment

5.14.1. Unmitigated

5.14.2. Mitigated

5.15. Operational Off-Road Equipment

5.15.1. Unmitigated

5.15.2. Mitigated

5.16. Stationary Sources

5.16.1. Emergency Generators and Fire Pumps

5.16.2. Process Boilers

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5.17. User Defined

5.18. Vegetation

5.18.1. Land Use Change

5.18.1.1. Unmitigated

5.18.1.2. Mitigated

5.18.1. Biomass Cover Type

5.18.1.1. Unmitigated

5.18.1.2. Mitigated

5.18.2. Sequestration

5.18.2.1. Unmitigated

5.18.2.2. Mitigated

8. User Changes to Default Data

8.1. Justifications

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1. Basic Project Information

1.1. Basic Project Information
Data Field Value
Project Name Toll Brothers Laguna Hills Townhomes
Construction Start Date 2/1/2026
Operational Year 2026
Lead Agency —
Land Use Scale Project/site
Analysis Level for Defaults County
Windspeed (m/s) 2.5
Precipitation (days) 6.0
Location 23161 Mill Creek Dr, Laguna Hills, CA 92653, USA County Orange
City Laguna Hills
Air District South Coast AQMD
Air Basin South Coast
TAZ 5929
EDFZ 7
Electric Utility Southern California Edison
Gas Utility Southern California Gas
App Version 2022.1.1.35

1.2. Land Use Types
Land Use Subtype Size Unit Lot Acreage Building Area (sq ft) Landscape Area (sq ft)
Special Landscape
Area (sq ft)
Population Description
Condo/Townhouse 36 Dwelling Unit 1.5 72,432 30,000 0.00 107 —

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Parking Lot 0.92 Acre 0.92 0.00 0.00 0.00 — —

1.3. User-Selected Emission Reduction Measures by Emissions Sector Sector # Measure Title
Energy E-15 Require All-Electric Development

2. Emissions Summary

2.1. Construction Emissions Compared Against Thresholds Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Un/Mit. TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Unmit. 0.34 0.33 3.9 14 0.02 0.04 0.37 0.41 0.04 0.09 0.13 — 2,659 2,659 0.10 0.05 1.5 2,677 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Unmit. 47 47 63 41 0.36 0.69 16 17 0.69 5.1 5.8 — 52,564 52,564 3.9 7.9 2.6 55,028 Average
Daily
(Max)
— — — — — — — — — — — — — — — — — —
Unmit. 1.3 1.3 3.7 9.7 0.02 0.04 0.70 0.74 0.04 0.17 0.21 — 2,731 2,731 0.14 0.19 1.3 2,792 Annual
(Max)
— — — — — — — — — — — — — — — — — —
Unmit. 0.24 0.24 0.67 1.8 < 0.005 0.01 0.13 0.13 0.01 0.03 0.04 — 452 452 0.02 0.03 0.21 462

2.2. Construction Emissions by Year, Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Year TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e

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Daily -
Summer
(Max)
— — — — — — — — — — — — — — — — — —
2026 0.34 0.33 3.9 14 0.02 0.04 0.37 0.41 0.04 0.09 0.13 — 2,659 2,659 0.10 0.05 1.5 2,677 Daily -
Winter
(Max)
— — — — — — — — — — — — — — — — — —
2026 5.1 0.97 63 41 0.36 0.69 16 17 0.69 5.1 5.8 — 52,564 52,564 3.9 7.9 2.6 55,028 2027 47 47 3.9 14 0.02 0.04 0.37 0.41 0.04 0.09 0.13 — 2,635 2,635 0.10 0.05 0.03 2,652 Average
Daily
— — — — — — — — — — — — — — — — — —
2026 0.32 0.23 3.7 9.7 0.02 0.04 0.70 0.74 0.04 0.17 0.21 — 2,731 2,731 0.14 0.19 1.3 2,792 2027 1.3 1.3 0.22 0.78 < 0.005 < 0.005 0.02 0.02 < 0.005 < 0.005 0.01 — 138 138 0.01 < 0.005 0.03 138 Annual — — — — — — — — — — — — — — — — — —
2026 0.06 0.04 0.67 1.8 < 0.005 0.01 0.13 0.13 0.01 0.03 0.04 — 452 452 0.02 0.03 0.21 462 2027 0.24 0.24 0.04 0.14 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 — 23 23 < 0.005 < 0.005 < 0.005 23

2.3. Construction Emissions by Year, Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Year TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily -
Summer
(Max)
— — — — — — — — — — — — — — — — — —
2026 0.34 0.33 3.9 14 0.02 0.04 0.37 0.41 0.04 0.09 0.13 — 2,659 2,659 0.10 0.05 1.5 2,677 Daily -
Winter
(Max)
— — — — — — — — — — — — — — — — — —
2026 5.1 0.97 63 41 0.36 0.69 16 17 0.69 5.1 5.8 — 52,564 52,564 3.9 7.9 2.6 55,028 2027 47 47 3.9 14 0.02 0.04 0.37 0.41 0.04 0.09 0.13 — 2,635 2,635 0.10 0.05 0.03 2,652 Average
Daily
— — — — — — — — — — — — — — — — — —
2026 0.32 0.23 3.7 9.7 0.02 0.04 0.70 0.74 0.04 0.17 0.21 — 2,731 2,731 0.14 0.19 1.3 2,792

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2027 1.3 1.3 0.22 0.78 < 0.005 < 0.005 0.02 0.02 < 0.005 < 0.005 0.01 — 138 138 0.01 < 0.005 0.03 138 Annual — — — — — — — — — — — — — — — — — —
2026 0.06 0.04 0.67 1.8 < 0.005 0.01 0.13 0.13 0.01 0.03 0.04 — 452 452 0.02 0.03 0.21 462 2027 0.24 0.24 0.04 0.14 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 — 23 23 < 0.005 < 0.005 < 0.005 23

2.4. Operations Emissions Compared Against Thresholds
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Un/Mit. TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Unmit. 3.0 2.8 0.89 11 0.02 0.03 2.1 2.1 0.03 0.52 0.55 17 2,954 2,971 1.8 0.08 8.1 3,050 Mit. 2.9 2.8 0.67 11 0.02 0.01 2.1 2.1 0.01 0.52 0.54 17 2,680 2,697 1.8 0.08 8.1 2,775 %
Reduced
1% < 0.5% 25% 1% 6% 57% — 1% 59% — 3% — 9% 9% 1% — — 9% Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Unmit. 2.8 2.7 0.93 8.0 0.02 0.03 2.1 2.1 0.03 0.52 0.55 17 2,862 2,879 1.8 0.09 0.71 2,952 Mit. 2.7 2.6 0.71 7.9 0.02 0.01 2.1 2.1 0.01 0.52 0.54 17 2,587 2,604 1.8 0.09 0.71 2,677 %
Reduced
1% < 0.5% 24% 1% 6% 59% — 1% 61% — 3% — 10% 10% 1% — — 9% Average
Daily
(Max)
— — — — — — — — — — — — — — — — — —
Unmit. 2.7 2.6 0.84 8.3 0.02 0.03 1.7 1.8 0.03 0.44 0.47 17 2,376 2,392 1.8 0.07 3.3 2,464 Mit. 2.7 2.6 0.62 8.2 0.02 0.01 1.7 1.8 0.01 0.44 0.45 17 2,101 2,118 1.8 0.07 3.3 2,188 %
Reduced
1% < 0.5% 26% 1% 7% 62% — 1% 64% — 4% — 12% 11% 1% — — 11% Annual
(Max)
— — — — — — — — — — — — — — — — — —
Unmit. 0.50 0.48 0.15 1.5 < 0.005 0.01 0.32 0.32 0.01 0.08 0.09 2.8 393 396 0.30 0.01 0.54 408

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Mit. 0.49 0.48 0.11 1.5 < 0.005 < 0.005 0.32 0.32 < 0.005 0.08 0.08 2.8 348 351 0.30 0.01 0.54 362 %
Reduced
1% < 0.5% 26% 1% 7% 62% — 1% 64% — 4% — 12% 11% 1% 1% — 11%

2.5. Operations Emissions by Sector, Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Sector TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Mobile 1.1 0.97 0.65 8.5 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,155 2,155 0.09 0.07 7.5 2,187 Area 1.9 1.9 0.02 2.0 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 0.00 213 213 0.01 < 0.005 — 214 Energy 0.03 0.01 0.22 0.09 < 0.005 0.02 — 0.02 0.02 — 0.02 — 569 569 0.04 < 0.005 — 571 Water — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Waste — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Refrig. — — — — — — — — — — — — — — — — 0.52 0.52
Total 3.0 2.8 0.89 11 0.02 0.03 2.1 2.1 0.03 0.52 0.55 17 2,954 2,971 1.8 0.08 8.1 3,050 Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Mobile 1.1 0.96 0.71 7.9 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,068 2,068 0.10 0.08 0.20 2,094 Area 1.7 1.7 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 0.00 207 207 0.01 < 0.005 — 208 Energy 0.03 0.01 0.22 0.09 < 0.005 0.02 — 0.02 0.02 — 0.02 — 569 569 0.04 < 0.005 — 571 Water — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Waste — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Refrig. — — — — — — — — — — — — — — — — 0.52 0.52
Total 2.8 2.7 0.93 8.0 0.02 0.03 2.1 2.1 0.03 0.52 0.55 17 2,862 2,879 1.8 0.09 0.71 2,952 Average
Daily
— — — — — — — — — — — — — — — — — —
Mobile 0.88 0.81 0.61 6.8 0.02 0.01 1.7 1.8 0.01 0.44 0.45 — 1,771 1,771 0.08 0.07 2.8 1,796

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Area 1.8 1.8 0.01 1.4 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 0.00 18 18 < 0.005 < 0.005 — 18 Energy 0.03 0.01 0.22 0.09 < 0.005 0.02 — 0.02 0.02 — 0.02 — 569 569 0.04 < 0.005 — 571 Water — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Waste — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Refrig. — — — — — — — — — — — — — — — — 0.52 0.52
Total 2.7 2.6 0.84 8.3 0.02 0.03 1.7 1.8 0.03 0.44 0.47 17 2,376 2,392 1.8 0.07 3.3 2,464 Annual — — — — — — — — — — — — — — — — — —
Mobile 0.16 0.15 0.11 1.2 < 0.005 < 0.005 0.32 0.32 < 0.005 0.08 0.08 — 293 293 0.01 0.01 0.46 297 Area 0.33 0.33 < 0.005 0.26 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 0.00 3.0 3.0 < 0.005 < 0.005 — 3.0 Energy < 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 94 94 0.01 < 0.005 — 95 Water — — — — — — — — — — — 0.43 2.8 3.3 0.04 < 0.005 — 4.7 Waste — — — — — — — — — — — 2.4 0.00 2.4 0.24 0.00 — 8.3 Refrig. — — — — — — — — — — — — — — — — 0.09 0.09
Total 0.50 0.48 0.15 1.5 < 0.005 0.01 0.32 0.32 0.01 0.08 0.09 2.8 393 396 0.30 0.01 0.54 408

2.6. Operations Emissions by Sector, Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Sector TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Mobile 1.1 0.97 0.65 8.5 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,155 2,155 0.09 0.07 7.5 2,187 Area 1.9 1.9 0.02 2.0 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 0.00 213 213 0.01 < 0.005 — 214 Energy 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 295 295 0.02 < 0.005 — 296 Water — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Waste — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Refrig. — — — — — — — — — — — — — — — — 0.52 0.52
Total 2.9 2.8 0.67 11 0.02 0.01 2.1 2.1 0.01 0.52 0.54 17 2,680 2,697 1.8 0.08 8.1 2,775

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Daily, — — — — — — — — — — — — — — — — — —
Winter
(Max)
Mobile 1.1 0.96 0.71 7.9 0.02 0.01 2.1 2.1 0.01 0.52 0.54 — 2,068 2,068 0.10 0.08 0.20 2,094 Area 1.7 1.7 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 0.00 207 207 0.01 < 0.005 — 208 Energy 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 295 295 0.02 < 0.005 — 296 Water — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Waste — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Refrig. — — — — — — — — — — — — — — — — 0.52 0.52
Total 2.7 2.6 0.71 7.9 0.02 0.01 2.1 2.1 0.01 0.52 0.54 17 2,587 2,604 1.8 0.09 0.71 2,677 Average
Daily
— — — — — — — — — — — — — — — — — —
Mobile 0.88 0.81 0.61 6.8 0.02 0.01 1.7 1.8 0.01 0.44 0.45 — 1,771 1,771 0.08 0.07 2.8 1,796 Area 1.8 1.8 0.01 1.4 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 0.00 18 18 < 0.005 < 0.005 — 18 Energy 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 295 295 0.02 < 0.005 — 296 Water — — — — — — — — — — — 2.6 17 20 0.27 0.01 — 28
Waste — — — — — — — — — — — 14 0.00 14 1.4 0.00 — 50
Refrig. — — — — — — — — — — — — — — — — 0.52 0.52
Total 2.7 2.6 0.62 8.2 0.02 0.01 1.7 1.8 0.01 0.44 0.45 17 2,101 2,118 1.8 0.07 3.3 2,188 Annual — — — — — — — — — — — — — — — — — —
Mobile 0.16 0.15 0.11 1.2 < 0.005 < 0.005 0.32 0.32 < 0.005 0.08 0.08 — 293 293 0.01 0.01 0.46 297 Area 0.33 0.33 < 0.005 0.26 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 0.00 3.0 3.0 < 0.005 < 0.005 — 3.0 Energy 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 — 0.00 — 49 49 < 0.005 < 0.005 — 49 Water — — — — — — — — — — — 0.43 2.8 3.3 0.04 < 0.005 — 4.7 Waste — — — — — — — — — — — 2.4 0.00 2.4 0.24 0.00 — 8.3 Refrig. — — — — — — — — — — — — — — — — 0.09 0.09
Total 0.49 0.48 0.11 1.5 < 0.005 < 0.005 0.32 0.32 < 0.005 0.08 0.08 2.8 348 351 0.30 0.01 0.54 362

3. Construction Emissions Details

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3.1. Demolition (2026) - Unmitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.42 0.39 2.6 15 0.02 0.08 — 0.08 0.08 — 0.08 — 2,494 2,494 0.10 0.02 — 2,503 Demoliti
on
— — — — — — 2.8 2.8 — 0.43 0.43 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

0.02 0.02 0.14 0.80 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 137 137 0.01 < 0.005 — 137 Demoliti
on
— — — — — — 0.15 0.15 — 0.02 0.02 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent
< 0.005 < 0.005 0.03 0.15 < 0.005 < 0.005 — < 0.005 < 0.005 — < 0.005 — 23 23 < 0.005 < 0.005 — 23 Demoliti
on
— — — — — — 0.03 0.03 — < 0.005 < 0.005 — — — — — — —

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Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.04 0.04 0.04 0.57 0.00 0.00 0.16 0.16 0.00 0.04 0.04 — 155 155 < 0.005 0.01 0.01 157 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.34 0.05 4.3 1.9 0.02 0.04 0.92 0.97 0.04 0.26 0.30 — 3,489 3,489 0.26 0.55 0.18 3,661 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.03 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 — 8.6 8.6 < 0.005 < 0.005 0.01 8.7 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.02 < 0.005 0.24 0.10 < 0.005 < 0.005 0.05 0.05 < 0.005 0.01 0.02 — 191 191 0.01 0.03 0.17 201 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 1.4 1.4 < 0.005 < 0.005 < 0.005 1.4 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling < 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 — 32 32 < 0.005 0.01 0.03 33

3.2. Demolition (2026) - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual) Location TOG ROG NOx CO SO2 PM10E PM10D PM10T PM2.5E PM2.5D PM2.5T BCO2 NBCO2 CO2T CH4 N2O R CO2e Onsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —

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Off-Roa
Equipment

0.42 0.39 2.6 15 0.02 0.08 — 0.08 0.08 — 0.08 — 2,494 2,494 0.10 0.02 — 2,503 Demoliti
on
— — — — — — 2.8 2.8 — 0.43 0.43 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —
Off-Roa
d
Equipm
ent

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0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Average
Daily
— — — — — — — — — — — — — — — — — —

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0.23 0.23 1.2 14 0.02 0.05 — 0.05 0.05 — 0.05 — 2,455 2,455 0.10 0.02 — 2,463 Dust
From
Material
Movement
— — — — — — 2.9 2.9 — 1.4 1.4 — — — — — — —
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Annual — — — — — — — — — — — — — — — — — —

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0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.03 0.03 0.03 0.45 0.00 0.00 0.13 0.13 0.00 0.03 0.03 — 124 124 < 0.005 < 0.005 0.01 125 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 4.8 0.71 62 27 0.34 0.64 13 14 0.64 3.7 4.3 — 49,985 49,985 3.8 7.9 2.6 52,439 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 2.1 2.1 < 0.005 < 0.005 < 0.005 2.1 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.08 0.01 1.0 0.44 0.01 0.01 0.22 0.23 0.01 0.06 0.07 — 822 822 0.06 0.13 0.72 863 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.34 0.34 < 0.005 < 0.005 < 0.005 0.35 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.01 < 0.005 0.19 0.08 < 0.005 < 0.005 0.04 0.04 < 0.005 0.01 0.01 — 136 136 0.01 0.02 0.12 143

3.6. Grading (2026) - Mitigated
Criteria Pollutants (lb/day for daily, ton/yr for annual) and GHGs (lb/day for daily, MT/yr for annual)

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0.23 0.23 1.2 14 0.02 0.05 — 0.05 0.05 — 0.05 — 2,455 2,455 0.10 0.02 — 2,463 Dust
From
Material
Movement
— — — — — — 2.9 2.9 — 1.4 1.4 — — — — — — —
Onsite
truck

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Dust — — — — — — 0.01 0.01 — < 0.005 < 0.005 — — — — — — — From
Material
Movement
Onsite
truck

0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Offsite — — — — — — — — — — — — — — — — — —
Daily,
Summer
(Max)
— — — — — — — — — — — — — — — — — —
Daily,
Winter
(Max)
— — — — — — — — — — — — — — — — — —
Worker 0.03 0.03 0.03 0.45 0.00 0.00 0.13 0.13 0.00 0.03 0.03 — 124 124 < 0.005 < 0.005 0.01 125 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 4.8 0.71 62 27 0.34 0.64 13 14 0.64 3.7 4.3 — 49,985 49,985 3.8 7.9 2.6 52,439 Average
Daily
— — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 2.1 2.1 < 0.005 < 0.005 < 0.005 2.1 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.08 0.01 1.0 0.44 0.01 0.01 0.22 0.23 0.01 0.06 0.07 — 822 822 0.06 0.13 0.72 863 Annual — — — — — — — — — — — — — — — — — —
Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 — 0.34 0.34 < 0.005 < 0.005 < 0.005 0.35 Vendor 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 — 0.00 0.00 0.00 0.00 0.00 0.00 Hauling 0.01 < 0.005 0.19 0.08 < 0.005 < 0.005 0.04 0.04 < 0.005 0.01 0.01 — 136 136 0.01 0.02 0.12 143

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