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Appendix A - Air Quality and Greenhouse Gas Modeling Results - 178 Twin Oaks Dr. (PDF)
APPENDIX A AIR QUALITY AND GREENHOUSE GAS MODELING RESULTS Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 1 / 43 Twin Oaks Lots 1-12 (Surrey Farms) v2 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 2.4. Operations Emissions Compared Against Thresholds 2.5. Operations Emissions by Sector, Unmitigated 3. Construction Emissions Details 3.1. Site Preparation (2025) - Unmitigated 3.3. Grading (2025) - Unmitigated 3.5. Grading (2026) - Unmitigated 3.7. Building Construction (2026) - Unmitigated 3.9. Building Construction (2027) - Unmitigated Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 2 / 43 3.11. Paving (2026) - Unmitigated 3.13. Architectural Coating (2026) - Unmitigated 3.15. Architectural Coating (2027) - Unmitigated 4. Operations Emissions Details 4.1. Mobile Emissions by Land Use 4.1.1. Unmitigated 4.2. Energy 4.2.1. Electricity Emissions By Land Use - Unmitigated 4.2.3. Natural Gas Emissions By Land Use - Unmitigated 4.3. Area Emissions by Source 4.3.1. Unmitigated 4.4. Water Emissions by Land Use 4.4.1. Unmitigated 4.5. Waste Emissions by Land Use 4.5.1. Unmitigated 4.6. Refrigerant Emissions by Land Use 4.6.1. Unmitigated 4.7. Offroad Emissions By Equipment Type Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 3 / 43 4.7.1. Unmitigated 4.8. Stationary Emissions By Equipment Type 4.8.1. Unmitigated 4.9. User Defined Emissions By Equipment Type 4.9.1. Unmitigated 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 5. Activity Data 5.1. Construction Schedule 5.2. Off-Road Equipment 5.2.1. Unmitigated 5.3. Construction Vehicles 5.3.1. Unmitigated 5.4. Vehicles 5.4.1. Construction Vehicle Control Strategies 5.5. Architectural Coatings Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 4 / 43 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 5.10. Operational Area Sources 5.10.1. Hearths 5.10.1.1. Unmitigated 5.10.2. Architectural Coatings 5.10.3. Landscape Equipment 5.11. Operational Energy Consumption 5.11.1. Unmitigated 5.12. Operational Water and Wastewater Consumption 5.12.1. Unmitigated 5.13. Operational Waste Generation 5.13.1. Unmitigated Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 5 / 43 5.14. Operational Refrigeration and Air Conditioning Equipment 5.14.1. Unmitigated 5.15. Operational Off-Road Equipment 5.15.1. Unmitigated 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 5.18.1. Biomass Cover Type 5.18.1.1. Unmitigated 5.18.2. Sequestration 5.18.2.1. Unmitigated 8. User Changes to Default Data Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 6 / 43 1. Basic Project Information 1.1. Basic Project Information Data Field Value Project Name Twin Oaks Lots 1-12 (Surrey Farms) v2 Construction Start Date 9/1/2025 Operational Year 2027 Lead Agency Town of Los Gatos Land Use Scale Project/site Analysis Level for Defaults County Windspeed (m/s)3.00 Precipitation (days)12.8 Location 37.225321111983384, -121.95178138638185 County Santa Clara City Los Gatos Air District Bay Area AQMD Air Basin San Francisco Bay Area TAZ 1946 EDFZ 1 Electric Utility Pacific Gas & Electric Company Gas Utility Pacific Gas & Electric App Version 2022.1.1.29 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 Single Family Housing 12.0 Dwelling Unit 5.38 23,400 134,000 —36.0 — Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 7 / 43 1.3. User-Selected Emission Reduction Measures by Emissions Sector No measures selected 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.4.00 3.37 31.7 30.9 0.05 1.37 19.8 21.2 1.26 10.1 11.4 —5,445 5,445 0.22 0.05 0.59 5,466 Daily, Winter (Max) —————————————————— Unmit.4.00 3.37 31.7 30.8 0.06 1.37 19.8 21.2 1.26 10.1 11.4 —7,849 7,849 0.52 0.78 0.28 8,096 Average Daily (Max) —————————————————— Unmit.1.58 1.38 8.30 10.5 0.02 0.31 3.88 4.17 0.28 1.95 2.21 —2,237 2,237 0.11 0.08 0.45 2,265 Annual (Max) —————————————————— Unmit.0.29 0.25 1.52 1.91 < 0.005 0.06 0.71 0.76 0.05 0.36 0.40 —370 370 0.02 0.01 0.07 375 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 Daily - Summer (Max) —————————————————— 2025 4.00 3.37 31.7 30.9 0.05 1.37 19.8 21.2 1.26 10.1 11.4 —5,445 5,445 0.22 0.05 0.59 5,466 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 8 / 43 2026 2.36 2.12 10.8 14.3 0.03 0.40 0.05 0.45 0.37 0.01 0.38 —2,608 2,608 0.11 0.03 0.24 2,619 2027 2.30 2.07 10.3 14.3 0.03 0.36 0.05 0.41 0.33 0.01 0.34 —2,607 2,607 0.11 0.03 0.22 2,618 Daily - Winter (Max) —————————————————— 2025 4.00 3.37 31.7 30.8 0.06 1.37 19.8 21.2 1.26 10.1 11.4 —7,849 7,849 0.52 0.78 0.28 8,096 2026 2.48 2.12 21.1 20.8 0.06 0.70 8.48 9.18 0.65 3.80 4.45 —7,752 7,752 0.49 0.78 0.27 7,997 2027 2.30 2.07 10.3 14.2 0.03 0.36 0.05 0.41 0.33 0.01 0.34 —2,604 2,604 0.11 0.03 0.01 2,614 Average Daily —————————————————— 2025 0.85 0.69 6.88 6.65 0.01 0.28 3.88 4.17 0.26 1.95 2.21 —1,477 1,477 0.07 0.07 0.39 1,499 2026 1.58 1.38 8.30 10.5 0.02 0.31 0.76 1.07 0.28 0.34 0.62 —2,237 2,237 0.11 0.08 0.45 2,265 2027 0.98 0.88 4.27 5.91 0.01 0.15 0.02 0.17 0.14 0.01 0.14 —1,079 1,079 0.04 0.01 0.04 1,084 Annual —————————————————— 2025 0.16 0.13 1.26 1.21 < 0.005 0.05 0.71 0.76 0.05 0.36 0.40 —245 245 0.01 0.01 0.06 248 2026 0.29 0.25 1.52 1.91 < 0.005 0.06 0.14 0.20 0.05 0.06 0.11 —370 370 0.02 0.01 0.07 375 2027 0.18 0.16 0.78 1.08 < 0.005 0.03 < 0.005 0.03 0.02 < 0.005 0.03 —179 179 0.01 < 0.005 0.01 179 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.1.06 1.02 0.41 3.79 0.01 0.02 0.74 0.75 0.02 0.19 0.20 5.90 1,082 1,088 0.66 0.03 2.69 1,117 Daily, Winter (Max) —————————————————— Unmit.0.98 0.94 0.45 2.89 0.01 0.02 0.74 0.75 0.02 0.19 0.20 5.90 1,033 1,039 0.66 0.04 0.23 1,067 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 9 / 43 ——————————————————Average Daily (Max) Unmit.1.00 0.96 0.43 3.09 0.01 0.02 0.71 0.73 0.02 0.18 0.20 5.90 952 958 0.65 0.03 1.23 985 Annual (Max) —————————————————— Unmit.0.18 0.18 0.08 0.56 < 0.005 < 0.005 0.13 0.13 < 0.005 0.03 0.04 0.98 158 159 0.11 0.01 0.20 163 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 0.39 0.36 0.26 3.05 0.01 < 0.005 0.74 0.74 < 0.005 0.19 0.19 —781 781 0.03 0.03 2.53 793 Area 0.65 0.65 0.01 0.68 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 0.00 75.5 75.5 0.01 < 0.005 —76.2 Energy 0.02 0.01 0.14 0.06 < 0.005 0.01 —0.01 0.01 —0.01 —219 219 0.02 < 0.005 —220 Water ———————————0.83 6.40 7.24 0.09 < 0.005 —10.0 Waste ———————————5.07 0.00 5.07 0.51 0.00 —17.7 Refrig.————————————————0.17 0.17 Total 1.06 1.02 0.41 3.79 0.01 0.02 0.74 0.75 0.02 0.19 0.20 5.90 1,082 1,088 0.66 0.03 2.69 1,117 Daily, Winter (Max) —————————————————— Mobile 0.37 0.34 0.31 2.83 0.01 < 0.005 0.74 0.74 < 0.005 0.19 0.19 —734 734 0.03 0.03 0.07 744 Area 0.59 0.59 0.00 0.00 0.00 0.00 —0.00 0.00 —0.00 0.00 73.7 73.7 0.01 < 0.005 —74.4 Energy 0.02 0.01 0.14 0.06 < 0.005 0.01 —0.01 0.01 —0.01 —219 219 0.02 < 0.005 —220 Water ———————————0.83 6.40 7.24 0.09 < 0.005 —10.0 Waste ———————————5.07 0.00 5.07 0.51 0.00 —17.7 Refrig.————————————————0.17 0.17 Total 0.98 0.94 0.45 2.89 0.01 0.02 0.74 0.75 0.02 0.19 0.20 5.90 1,033 1,039 0.66 0.04 0.23 1,067 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 10 / 43 Average Daily —————————————————— Mobile 0.36 0.33 0.28 2.70 0.01 < 0.005 0.71 0.72 < 0.005 0.18 0.19 —724 724 0.03 0.03 1.07 735 Area 0.62 0.62 < 0.005 0.34 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 0.00 2.71 2.71 < 0.005 < 0.005 —2.74 Energy 0.02 0.01 0.14 0.06 < 0.005 0.01 —0.01 0.01 —0.01 —219 219 0.02 < 0.005 —220 Water ———————————0.83 6.40 7.24 0.09 < 0.005 —10.0 Waste ———————————5.07 0.00 5.07 0.51 0.00 —17.7 Refrig.————————————————0.17 0.17 Total 1.00 0.96 0.43 3.09 0.01 0.02 0.71 0.73 0.02 0.18 0.20 5.90 952 958 0.65 0.03 1.23 985 Annual —————————————————— Mobile 0.07 0.06 0.05 0.49 < 0.005 < 0.005 0.13 0.13 < 0.005 0.03 0.03 —120 120 0.01 0.01 0.18 122 Area 0.11 0.11 < 0.005 0.06 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 0.00 0.45 0.45 < 0.005 < 0.005 —0.45 Energy < 0.005 < 0.005 0.03 0.01 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 —36.3 36.3 < 0.005 < 0.005 —36.4 Water ———————————0.14 1.06 1.20 0.01 < 0.005 —1.66 Waste ———————————0.84 0.00 0.84 0.08 0.00 —2.93 Refrig.————————————————0.03 0.03 Total 0.18 0.18 0.08 0.56 < 0.005 < 0.005 0.13 0.13 < 0.005 0.03 0.04 0.98 158 159 0.11 0.01 0.20 163 3. Construction Emissions Details 3.1. Site Preparation (2025) - 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) —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 11 / 43 5,314—0.040.215,2955,295—1.26—1.261.37—1.370.0530.231.63.313.94Off-Roa d Equipm ent Dust From Material Movement ——————19.7 19.7 —10.1 10.1 ——————— 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 3.94 3.31 31.6 30.2 0.05 1.37 —1.37 1.26 —1.26 —5,295 5,295 0.21 0.04 —5,314 Dust From Material Movement ——————19.7 19.7 —10.1 10.1 ——————— 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 0.65 0.54 5.20 4.96 0.01 0.22 —0.22 0.21 —0.21 —870 870 0.04 0.01 —873 Dust From Material Movement ——————3.23 3.23 —1.66 1.66 ——————— 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 12 / 43 145—< 0.0050.01144144—0.04—0.040.04—0.04< 0.0050.910.950.100.12Off-Roa d Equipm Dust From Material Movement ——————0.59 0.59 —0.30 0.30 ——————— 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 0.06 0.06 0.04 0.72 0.00 0.00 0.14 0.14 0.00 0.03 0.03 —150 150 < 0.005 0.01 0.59 152 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 Daily, Winter (Max) —————————————————— Worker 0.06 0.06 0.05 0.61 0.00 0.00 0.14 0.14 0.00 0.03 0.03 —139 139 < 0.005 0.01 0.02 141 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 0.01 0.01 0.01 0.10 0.00 0.00 0.02 0.02 0.00 0.01 0.01 —23.1 23.1 < 0.005 < 0.005 0.04 23.4 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 0.00 0.00 0.00 0.00 0.00 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 0.02 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 —3.82 3.82 < 0.005 < 0.005 0.01 3.88 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 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 13 / 43 3.3. Grading (2025) - 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 2.07 1.74 16.3 17.9 0.03 0.72 —0.72 0.66 —0.66 —2,959 2,959 0.12 0.02 —2,970 Dust From Material Movement ——————7.12 7.12 —3.43 3.43 ——————— 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 0.15 0.13 1.21 1.33 < 0.005 0.05 —0.05 0.05 —0.05 —220 220 0.01 < 0.005 —221 Dust From Material Movement ——————0.53 0.53 —0.26 0.26 ——————— 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 14 / 43 36.6—< 0.005< 0.00536.436.4—0.01—0.010.01—0.01< 0.0050.240.220.020.03Off-Roa d Equipm ent Dust From Material Movement ——————0.10 0.10 —0.05 0.05 ——————— 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 0.05 0.05 0.53 0.00 0.00 0.12 0.12 0.00 0.03 0.03 —119 119 < 0.005 0.01 0.01 121 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 0.50 0.10 6.27 2.94 0.03 0.09 1.23 1.32 0.06 0.34 0.40 —4,771 4,771 0.40 0.75 0.27 5,005 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 —8.95 8.95 < 0.005 < 0.005 0.02 9.08 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 0.04 0.01 0.46 0.22 < 0.005 0.01 0.09 0.10 < 0.005 0.02 0.03 —355 355 0.03 0.06 0.33 372 Annual —————————————————— Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 —1.48 1.48 < 0.005 < 0.005 < 0.005 1.50 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 0.08 0.04 < 0.005 < 0.005 0.02 0.02 < 0.005 < 0.005 0.01 —58.7 58.7 < 0.005 0.01 0.06 61.7 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) Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 15 / 43 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 1.96 1.65 15.0 17.4 0.03 0.65 —0.65 0.59 —0.59 —2,960 2,960 0.12 0.02 —2,970 Dust From Material Movement ——————7.12 7.12 —3.43 3.43 ——————— 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 0.17 0.14 1.29 1.50 < 0.005 0.06 —0.06 0.05 —0.05 —255 255 0.01 < 0.005 —256 Dust From Material Movement ——————0.61 0.61 —0.30 0.30 ——————— 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 0.03 0.03 0.24 0.27 < 0.005 0.01 —0.01 0.01 —0.01 —42.2 42.2 < 0.005 < 0.005 —42.3 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 16 / 43 ———————0.050.05—0.110.11——————Dust 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 0.05 0.04 0.04 0.49 0.00 0.00 0.12 0.12 0.00 0.03 0.03 —117 117 < 0.005 0.01 0.01 118 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 0.47 0.10 6.06 2.85 0.03 0.06 1.23 1.29 0.06 0.34 0.40 —4,676 4,676 0.37 0.75 0.25 4,909 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 —10.2 10.2 < 0.005 < 0.005 0.02 10.3 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 0.04 0.01 0.51 0.24 < 0.005 0.01 0.11 0.11 0.01 0.03 0.03 —402 402 0.03 0.06 0.36 423 Annual —————————————————— Worker < 0.005 < 0.005 < 0.005 0.01 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 —1.68 1.68 < 0.005 < 0.005 < 0.005 1.71 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 0.09 0.04 < 0.005 < 0.005 0.02 0.02 < 0.005 0.01 0.01 —66.6 66.6 0.01 0.01 0.06 70.0 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 17 / 43 ——————————————————Daily, Summer (Max) Off-Roa d Equipm ent 1.28 1.07 9.85 13.0 0.02 0.38 —0.38 0.35 —0.35 —2,397 2,397 0.10 0.02 —2,405 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 1.28 1.07 9.85 13.0 0.02 0.38 —0.38 0.35 —0.35 —2,397 2,397 0.10 0.02 —2,405 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 0.73 0.61 5.61 7.38 0.01 0.22 —0.22 0.20 —0.20 —1,365 1,365 0.06 0.01 —1,370 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 0.13 0.11 1.02 1.35 < 0.005 0.04 —0.04 0.04 —0.04 —226 226 0.01 < 0.005 —227 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) —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 18 / 43 Worker 0.01 0.01 0.01 0.16 0.00 0.00 0.04 0.04 0.00 0.01 0.01 —36.3 36.3 < 0.005 < 0.005 0.13 36.9 Vendor < 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 —34.0 34.0 < 0.005 < 0.005 0.08 35.6 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 0.01 0.01 0.01 0.14 0.00 0.00 0.04 0.04 0.00 0.01 0.01 —33.7 33.7 < 0.005 < 0.005 < 0.005 34.1 Vendor < 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 —34.0 34.0 < 0.005 < 0.005 < 0.005 35.6 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 0.01 0.01 0.01 0.08 0.00 0.00 0.02 0.02 0.00 < 0.005 < 0.005 —19.4 19.4 < 0.005 < 0.005 0.03 19.7 Vendor < 0.005 < 0.005 0.02 0.01 < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 —19.4 19.4 < 0.005 < 0.005 0.02 20.3 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 —3.21 3.21 < 0.005 < 0.005 0.01 3.25 Vendor < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 —3.21 3.21 < 0.005 < 0.005 < 0.005 3.35 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) —————————————————— Off-Roa d Equipm ent 1.23 1.03 9.39 12.9 0.02 0.34 —0.34 0.31 —0.31 —2,397 2,397 0.10 0.02 —2,405 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 19 / 43 0.000.000.000.000.000.00—0.000.000.000.000.000.000.000.000.000.000.00Onsite truck Daily, Winter (Max) —————————————————— Off-Roa d Equipm ent 1.23 1.03 9.39 12.9 0.02 0.34 —0.34 0.31 —0.31 —2,397 2,397 0.10 0.02 —2,405 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 0.51 0.43 3.88 5.34 0.01 0.14 —0.14 0.13 —0.13 —990 990 0.04 0.01 —993 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 0.09 0.08 0.71 0.97 < 0.005 0.03 —0.03 0.02 —0.02 —164 164 0.01 < 0.005 —164 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 0.01 0.01 0.01 0.15 0.00 0.00 0.04 0.04 0.00 0.01 0.01 —35.7 35.7 < 0.005 < 0.005 0.12 36.2 Vendor < 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 —33.3 33.3 < 0.005 < 0.005 0.07 34.9 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) —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 20 / 43 Worker 0.01 0.01 0.01 0.13 0.00 0.00 0.04 0.04 0.00 0.01 0.01 —33.0 33.0 < 0.005 < 0.005 < 0.005 33.5 Vendor < 0.005 < 0.005 0.04 0.02 < 0.005 < 0.005 0.01 0.01 < 0.005 < 0.005 < 0.005 —33.3 33.3 < 0.005 < 0.005 < 0.005 34.9 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 0.01 < 0.005 < 0.005 0.05 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 —13.8 13.8 < 0.005 < 0.005 0.02 14.0 Vendor < 0.005 < 0.005 0.02 0.01 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 —13.8 13.8 < 0.005 < 0.005 0.01 14.4 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 —2.28 2.28 < 0.005 < 0.005 < 0.005 2.32 Vendor < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 < 0.005 —2.28 2.28 < 0.005 < 0.005 < 0.005 2.39 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 (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 0.91 0.76 7.12 9.94 0.01 0.32 —0.32 0.29 —0.29 —1,511 1,511 0.06 0.01 —1,516 Paving 0.00 0.00 ———————————————— 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 21 / 43 Off-Roa Equipment 0.05 0.04 0.39 0.54 < 0.005 0.02 —0.02 0.02 —0.02 —82.8 82.8 < 0.005 < 0.005 —83.1 Paving 0.00 0.00 ———————————————— 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 0.01 0.01 0.07 0.10 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 —13.7 13.7 < 0.005 < 0.005 —13.8 Paving 0.00 0.00 ———————————————— 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 0.04 0.49 0.00 0.00 0.12 0.12 0.00 0.03 0.03 —117 117 < 0.005 0.01 0.01 118 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 0.03 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 —6.47 6.47 < 0.005 < 0.005 0.01 6.57 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 —1.07 1.07 < 0.005 < 0.005 < 0.005 1.09 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 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 22 / 43 3.13. Architectural Coating (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) —————————————————— Off-Roa d Equipm ent 0.15 0.12 0.86 1.13 < 0.005 0.02 —0.02 0.02 —0.02 —134 134 0.01 < 0.005 —134 Architect ural Coating s 0.92 0.92 ———————————————— 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 0.15 0.12 0.86 1.13 < 0.005 0.02 —0.02 0.02 —0.02 —134 134 0.01 < 0.005 —134 Architect ural Coating s 0.92 0.92 ———————————————— 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 0.08 0.07 0.46 0.61 < 0.005 0.01 —0.01 0.01 —0.01 —72.4 72.4 < 0.005 < 0.005 —72.6 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 23 / 43 Architect Coatings 0.50 0.50 ———————————————— 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 0.01 0.01 0.08 0.11 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 —12.0 12.0 < 0.005 < 0.005 —12.0 Architect ural Coating s 0.09 0.09 ———————————————— 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 < 0.005 < 0.005 < 0.005 0.03 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 —7.26 7.26 < 0.005 < 0.005 0.03 7.38 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 Daily, Winter (Max) —————————————————— Worker < 0.005 < 0.005 < 0.005 0.03 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 —6.73 6.73 < 0.005 < 0.005 < 0.005 6.82 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 < 0.005 < 0.005 0.00 < 0.005 < 0.005 —3.69 3.69 < 0.005 < 0.005 0.01 3.74 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 24 / 43 Worker < 0.005 < 0.005 < 0.005 < 0.005 0.00 0.00 < 0.005 < 0.005 0.00 < 0.005 < 0.005 —0.61 0.61 < 0.005 < 0.005 < 0.005 0.62 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 3.15. 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 —————————————————— Daily, Summer (Max) —————————————————— Off-Roa d Equipm ent 0.14 0.11 0.83 1.13 < 0.005 0.02 —0.02 0.02 —0.02 —134 134 0.01 < 0.005 —134 Architect ural Coating s 0.92 0.92 ———————————————— 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 0.14 0.11 0.83 1.13 < 0.005 0.02 —0.02 0.02 —0.02 —134 134 0.01 < 0.005 —134 Architect ural Coating s 0.92 0.92 ———————————————— 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 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 25 / 43 ——————————————————Average Daily Off-Roa d Equipm ent 0.06 0.05 0.37 0.50 < 0.005 0.01 —0.01 0.01 —0.01 —58.8 58.8 < 0.005 < 0.005 —59.0 Architect ural Coating s 0.40 0.40 ———————————————— 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 0.01 0.01 0.07 0.09 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 —9.73 9.73 < 0.005 < 0.005 —9.77 Architect ural Coating s 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 Offsite —————————————————— Daily, Summer (Max) —————————————————— Worker < 0.005 < 0.005 < 0.005 0.03 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 —7.13 7.13 < 0.005 < 0.005 0.02 7.24 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 Daily, Winter (Max) —————————————————— Worker < 0.005 < 0.005 < 0.005 0.03 0.00 0.00 0.01 0.01 0.00 < 0.005 < 0.005 —6.61 6.61 < 0.005 < 0.005 < 0.005 6.70 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 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 26 / 43 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 —2.94 2.94 < 0.005 < 0.005 < 0.005 2.98 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 —0.49 0.49 < 0.005 < 0.005 < 0.005 0.49 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) —————————————————— Single Family Housing 0.39 0.36 0.26 3.05 0.01 < 0.005 0.74 0.74 < 0.005 0.19 0.19 —781 781 0.03 0.03 2.53 793 Total 0.39 0.36 0.26 3.05 0.01 < 0.005 0.74 0.74 < 0.005 0.19 0.19 —781 781 0.03 0.03 2.53 793 Daily, Winter (Max) —————————————————— Single Family Housing 0.37 0.34 0.31 2.83 0.01 < 0.005 0.74 0.74 < 0.005 0.19 0.19 —734 734 0.03 0.03 0.07 744 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 27 / 43 Total 0.37 0.34 0.31 2.83 0.01 < 0.005 0.74 0.74 < 0.005 0.19 0.19 —734 734 0.03 0.03 0.07 744 Annual —————————————————— Single Family Housing 0.07 0.06 0.05 0.49 < 0.005 < 0.005 0.13 0.13 < 0.005 0.03 0.03 —120 120 0.01 0.01 0.18 122 Total 0.07 0.06 0.05 0.49 < 0.005 < 0.005 0.13 0.13 < 0.005 0.03 0.03 —120 120 0.01 0.01 0.18 122 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) —————————————————— Single Family Housing ————————————41.5 41.5 0.01 < 0.005 —41.9 Total ————————————41.5 41.5 0.01 < 0.005 —41.9 Daily, Winter (Max) —————————————————— Single Family Housing ————————————41.5 41.5 0.01 < 0.005 —41.9 Total ————————————41.5 41.5 0.01 < 0.005 —41.9 Annual —————————————————— Single Family Housing ————————————6.87 6.87 < 0.005 < 0.005 —6.93 Total ————————————6.87 6.87 < 0.005 < 0.005 —6.93 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 28 / 43 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) —————————————————— Single Family Housing 0.02 0.01 0.14 0.06 < 0.005 0.01 —0.01 0.01 —0.01 —178 178 0.02 < 0.005 —178 Total 0.02 0.01 0.14 0.06 < 0.005 0.01 —0.01 0.01 —0.01 —178 178 0.02 < 0.005 —178 Daily, Winter (Max) —————————————————— Single Family Housing 0.02 0.01 0.14 0.06 < 0.005 0.01 —0.01 0.01 —0.01 —178 178 0.02 < 0.005 —178 Total 0.02 0.01 0.14 0.06 < 0.005 0.01 —0.01 0.01 —0.01 —178 178 0.02 < 0.005 —178 Annual —————————————————— Single Family Housing < 0.005 < 0.005 0.03 0.01 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 —29.4 29.4 < 0.005 < 0.005 —29.5 Total < 0.005 < 0.005 0.03 0.01 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 —29.4 29.4 < 0.005 < 0.005 —29.5 4.3. Area Emissions by Source 4.3.1. Unmitigated 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 73.7 73.7 0.01 < 0.005 —74.4 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 29 / 43 Consum Products 0.50 0.50 ———————————————— Architect ural Coating s 0.09 0.09 ———————————————— Landsca pe Equipm ent 0.06 0.06 0.01 0.68 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 —1.82 1.82 < 0.005 < 0.005 —1.83 Total 0.65 0.65 0.01 0.68 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 0.00 75.5 75.5 0.01 < 0.005 —76.2 Daily, Winter (Max) —————————————————— Hearths 0.00 0.00 0.00 0.00 0.00 0.00 —0.00 0.00 —0.00 0.00 73.7 73.7 0.01 < 0.005 —74.4 Consum er Product s 0.50 0.50 ———————————————— Architect ural Coating s 0.09 0.09 ———————————————— Total 0.59 0.59 0.00 0.00 0.00 0.00 —0.00 0.00 —0.00 0.00 73.7 73.7 0.01 < 0.005 —74.4 Annual —————————————————— Hearths 0.00 0.00 0.00 0.00 0.00 0.00 —0.00 0.00 —0.00 0.00 0.30 0.30 < 0.005 < 0.005 —0.30 Consum er Product s 0.09 0.09 ———————————————— Architect ural Coating s 0.02 0.02 ———————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 30 / 43 0.15—< 0.005< 0.0050.150.15—< 0.005—< 0.005< 0.005—< 0.005< 0.0050.06< 0.0050.010.01Landsca pe Equipm ent Total 0.11 0.11 < 0.005 0.06 < 0.005 < 0.005 —< 0.005 < 0.005 —< 0.005 0.00 0.45 0.45 < 0.005 < 0.005 —0.45 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) —————————————————— Single Family Housing ———————————0.83 6.40 7.24 0.09 < 0.005 —10.0 Total ———————————0.83 6.40 7.24 0.09 < 0.005 —10.0 Daily, Winter (Max) —————————————————— Single Family Housing ———————————0.83 6.40 7.24 0.09 < 0.005 —10.0 Total ———————————0.83 6.40 7.24 0.09 < 0.005 —10.0 Annual —————————————————— Single Family Housing ———————————0.14 1.06 1.20 0.01 < 0.005 —1.66 Total ———————————0.14 1.06 1.20 0.01 < 0.005 —1.66 4.5. Waste Emissions by Land Use Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 31 / 43 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) —————————————————— Single Family Housing ———————————5.07 0.00 5.07 0.51 0.00 —17.7 Total ———————————5.07 0.00 5.07 0.51 0.00 —17.7 Daily, Winter (Max) —————————————————— Single Family Housing ———————————5.07 0.00 5.07 0.51 0.00 —17.7 Total ———————————5.07 0.00 5.07 0.51 0.00 —17.7 Annual —————————————————— Single Family Housing ———————————0.84 0.00 0.84 0.08 0.00 —2.93 Total ———————————0.84 0.00 0.84 0.08 0.00 —2.93 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) —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 32 / 43 Single Family Housing ————————————————0.17 0.17 Total ————————————————0.17 0.17 Daily, Winter (Max) —————————————————— Single Family Housing ————————————————0.17 0.17 Total ————————————————0.17 0.17 Annual —————————————————— Single Family Housing ————————————————0.03 0.03 Total ————————————————0.03 0.03 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) 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 33 / 43 4.8. Stationary Emissions By Equipment Type 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 —————————————————— 4.9. 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 34 / 43 Annual —————————————————— 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 35 / 43 Annual —————————————————— 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 —————————————————— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 36 / 43 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 Site Preparation Site Preparation 9/1/2025 11/21/2025 5.00 60.0 — Grading Grading 11/24/2025 2/13/2026 5.00 60.0 — Building Construction Building Construction 3/16/2026 7/30/2027 5.00 360 — Paving Paving 2/16/2026 3/13/2026 5.00 20.0 — Architectural Coating Architectural Coating 3/30/2026 8/13/2027 5.00 360 — 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 Site Preparation Rubber Tired Dozers Diesel Average 3.00 8.00 367 0.40 Site Preparation Tractors/Loaders/Back hoes Diesel Average 4.00 8.00 84.0 0.37 Grading Excavators Diesel Average 1.00 8.00 36.0 0.38 Grading Graders Diesel Average 1.00 8.00 148 0.41 Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 37 / 43 Grading Rubber Tired Dozers Diesel Average 1.00 8.00 367 0.40 Grading Tractors/Loaders/Back hoes Diesel Average 3.00 8.00 84.0 0.37 Building Construction Cranes Diesel Average 1.00 7.00 367 0.29 Building Construction Forklifts Diesel Average 3.00 8.00 82.0 0.20 Building Construction Generator Sets Diesel Average 1.00 8.00 14.0 0.74 Building Construction Tractors/Loaders/Back hoes Diesel Average 3.00 7.00 84.0 0.37 Building Construction Welders Diesel Average 1.00 8.00 46.0 0.45 Paving Pavers Diesel Average 2.00 8.00 81.0 0.42 Paving Paving Equipment Diesel Average 2.00 8.00 89.0 0.36 Paving Rollers Diesel Average 2.00 8.00 36.0 0.38 Architectural Coating Air Compressors Diesel Average 1.00 6.00 37.0 0.48 5.3. Construction Vehicles 5.3.1. Unmitigated Phase Name Trip Type One-Way Trips per Day Miles per Trip Vehicle Mix Site Preparation ———— Site Preparation Worker 17.5 11.7 LDA,LDT1,LDT2 Site Preparation Vendor —8.40 HHDT,MHDT Site Preparation Hauling 0.00 20.0 HHDT Site Preparation Onsite truck ——HHDT Grading ———— Grading Worker 15.0 11.7 LDA,LDT1,LDT2 Grading Vendor —8.40 HHDT,MHDT Grading Hauling 66.6 20.0 HHDT Grading Onsite truck ——HHDT Building Construction ———— Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 38 / 43 Building Construction Worker 4.32 11.7 LDA,LDT1,LDT2 Building Construction Vendor 1.28 8.40 HHDT,MHDT Building Construction Hauling 0.00 20.0 HHDT Building Construction Onsite truck ——HHDT Paving ———— Paving Worker 15.0 11.7 LDA,LDT1,LDT2 Paving Vendor —8.40 HHDT,MHDT Paving Hauling 0.00 20.0 HHDT Paving Onsite truck ——HHDT Architectural Coating ———— Architectural Coating Worker 0.86 11.7 LDA,LDT1,LDT2 Architectural Coating Vendor —8.40 HHDT,MHDT Architectural Coating Hauling 0.00 20.0 HHDT Architectural Coating Onsite truck ——HHDT 5.4. Vehicles 5.4.1. Construction Vehicle Control Strategies Non-applicable. No control strategies activated by user. 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 47,385 15,795 0.00 0.00 — 5.6. Dust Mitigation 5.6.1. Construction Earthmoving Activities Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 39 / 43 Acres Paved (acres)Material Demolished (sq. ft.)Acres Graded (acres)Phase Name Material Imported (Cubic Yards) Material Exported (Cubic Yards) Site Preparation ——90.0 0.00 — Grading 21,082 10,878 60.0 0.00 — Paving 0.00 0.00 0.00 0.00 0.13 5.6.2. Construction Earthmoving Control Strategies Non-applicable. No control strategies activated by user. 5.7. Construction Paving Land Use Area Paved (acres)% Asphalt Single Family Housing 0.13 0% 5.8. Construction Electricity Consumption and Emissions Factors kWh per Year and Emission Factor (lb/MWh) Year kWh per Year CO2 CH4 N2O 2025 0.00 204 0.03 < 0.005 2026 0.00 204 0.03 < 0.005 2027 0.00 204 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 Single Family Housing 113 114 103 40,853 1,033 1,044 936 372,679 5.10. Operational Area Sources Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 40 / 43 5.10.1. Hearths 5.10.1.1. Unmitigated Hearth Type Unmitigated (number) Single Family Housing — Wood Fireplaces 0 Gas Fireplaces 0 Propane Fireplaces 0 Electric Fireplaces 12 No Fireplaces 0 Conventional Wood Stoves 0 Catalytic Wood Stoves 0 Non-Catalytic Wood Stoves 0 Pellet Wood Stoves 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) 47385 15,795 0.00 0.00 — 5.10.3. Landscape Equipment Season Unit Value Snow Days day/yr 0.00 Summer Days day/yr 180 5.11. Operational Energy Consumption 5.11.1. Unmitigated Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 41 / 43 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) Single Family Housing 74,218 204 0.0330 0.0040 554,663 5.12. Operational Water and Wastewater Consumption 5.12.1. Unmitigated Land Use Indoor Water (gal/year)Outdoor Water (gal/year) Single Family Housing 435,197 1,750,855 5.13. Operational Waste Generation 5.13.1. Unmitigated Land Use Waste (ton/year)Cogeneration (kWh/year) Single Family Housing 9.40 — 5.14. Operational Refrigeration and Air Conditioning Equipment 5.14.1. Unmitigated Land Use Type Equipment Type Refrigerant GWP Quantity (kg)Operations Leak Rate Service Leak Rate Times Serviced Single Family Housing Average room A/C & Other residential A/C and heat pumps R-410A 2,088 < 0.005 2.50 2.50 10.0 Single Family Housing Household refrigerators and/or freezers R-134a 1,430 0.12 0.60 0.00 1.00 5.15. Operational Off-Road Equipment Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 42 / 43 5.15.1. Unmitigated Equipment Type Fuel Type Engine Tier Number per Day Hours Per Day Horsepower Load Factor 5.16. Stationary Sources 5.16.1. Emergency Generators and Fire Pumps Equipment Type Fuel Type Number per Day Hours per Day Hours per Year Horsepower Load Factor 5.16.2. Process Boilers Equipment Type Fuel Type Number Boiler Rating (MMBtu/hr)Daily Heat Input (MMBtu/day)Annual Heat Input (MMBtu/yr) 5.17. User Defined Equipment Type Fuel Type 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. Biomass Cover Type 5.18.1.1. Unmitigated Biomass Cover Type Initial Acres Final Acres 5.18.2. Sequestration Twin Oaks Lots 1-12 (Surrey Farms) v2 Custom Report, 2/5/2025 43 / 43 5.18.2.1. Unmitigated Tree Type Number Electricity Saved (kWh/year)Natural Gas Saved (btu/year) 8. User Changes to Default Data Screen Justification Land Use Lot acreage adjusted to represent overall disturbance area associated with the proposed project. Construction: Construction Phases Based on typical construction practices, architectural coating assumed to start two weeks after the start of building construction and last for the same number of days. Demolition not required for the proposed project. Phase timing adjusted based on project-specific information provided by the project applicant. Operations: Hearths Based on applicant provided information, all 12 units would include electric fireplaces. Construction: Dust From Material Movement —