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Off-Road Equipment NOx Emissions <br />Existing Project <br />94-073 825C Compactor Rubber Tired Dozers 1 Diesel 315 300 599 Tier 1 0.4 5.93 256.97 283.33 <br />95-025 Storm Water Pump Pumps 1 Diesel 30 25 49 Average 0.74 3.53 8.64 8.64 <br />96-002 Genie Aerial Lifts 1 Diesel 25 25 49 Tier 1 0.31 5.26 4.67 4.67 <br />96-003 Forklift-Clark Forklifts 1 Diesel 40 25 49 Average 0.2 3.53 9.71 9.71 <br />96-041 Cat 950F Loader Rubber Tired Loaders 1 Diesel 100 75 199 Tier 1 0.36 6.54 269.91 323.89 <br />02-035 623 Scraper Scrapers 1 Diesel 365 300 599 Tier 1 0.48 5.93 1,429.25 1,667.46 <br />02-910 Sweeper Sweepers/Scrubbers 1 Diesel 25 25 49 Tier 1 0.46 5.26 6.93 10.27 <br />23-112 Pressure Washer Pressure Washers 1 Gas 10 0 24 Gas 0.3 3.44 2.37 2.37 <br />03-909 AL-JON 81K - Compactor Rubber Tired Dozers 1 Diesel 360 300 599 Tier 1 0.4 5.93 97.89 242.85 <br />04-042 836G COMPACTOR Rubber Tired Dozers 1 Diesel 525 300 599 Tier 2 0.4 3.79 2,828.51 3,011.00 <br />04-075 JD 850C Dozer Rubber Tired Dozers 1 Diesel 265 175 299 Tier 2 0.4 4.15 706.02 756.46 <br />04-971 JD Grader Graders 1 Diesel 217 175 299 Tier 1 0.41 5.93 120.97 181.45 <br />06-041 CAT 950H Rubber Tired Loaders 1 Diesel 150 120 174 Tier 2 0.36 4.15 822.11 873.49 <br />06-18571 Portable Light Tower Other General Industrial Equipment 1 Diesel 15 25 49 Tier 2 0.34 4.63 16.24 17.18 <br />10-020 CAT D8 Dozer Rubber Tired Dozers 1 Diesel 512 300 599 Tier 2 0.4 3.79 3,737.29 3,915.25 <br />15-071 CAT 420 F2 Backhoe Tractors/Loaders/Backhoes 1 Diesel 110 75 199 Tier 4 Interim 0.37 2.15 90.28 100.32 <br />18-042 CAT 836K Compactor Rubber Tired Dozers 1 Diesel 540 300 599 Tier 4 Interim 0.4 1.29 990.25 1,054.13 <br />18-075 JD 850K Dozer Rubber Tired Dozers 1 Diesel 270 175 299 Tier 4 Interim 0.4 1.29 351.38 383.32 <br />19-041 JD 644K Hybrid Loader Rubber Tired Loaders 1 Diesel 150 75 199 Tier 4 Interim 0.36 2.15 479.15 505.77 <br />19-073 JD Track Loader Rubber Tired Loaders 1 Diesel 165 75 199 Tier 4 Interim 0.36 2.15 29.28 43.92 <br />20-009 JD SKID STEER 333G Skid Steer Loaders 1 Diesel 80 75 199 Tier 4 Interim 0.37 2.15 58.37 65.66 <br />20-020 JD 1050K LARGE DOZER Rubber Tired Dozers 1 Diesel 325 300 599 Tier 4 Interim 0.4 1.29 769.01 807.46 <br />20-071 JD 310SL/HL BACKHOE Tractors/Loaders/Backhoes 1 Diesel 110 75 199 Tier 4 Interim 0.37 2.15 190.60 200.63 <br />20-714 KUBOTA Tractors/Loaders/Backhoes 1 Diesel 40 25 49 Tier 4 Interim 0.37 4.55 100.36 102.88 <br />22-073 JD 755K Track Loader Tractors/Loaders/Backhoes 1 Diesel 165 75 199 Tier 4 Interim 0.37 2.15 90.28 90.28 <br />TARPOMATIC Landfill Covers - 04-001 Rubber Tired Dozers 1 Diesel 20 25 49 Tier 1 0.4 5.26 4.82 9.65 <br />TARPOMATIC Landfill Covers - 18-002 Rubber Tired Dozers 1 Diesel 20 25 49 Tier 4 Interim 0.4 4.55 8.35 12.52 <br />Fire Pump Pumps 1 Diesel 25 25 49 Tier 1 0.74 5.26 10.73 10.73 <br />KARCHER PRESSURE WASHER Pressure Washers 1 Gas 10 0 24 Gas 0.3 3.44 1.18 2.37 <br />03-908 Sterling Water Truck (tan)Off‐Highway Trucks 1 Diesel 200 175 299 Average 0.38 1.15 20.04 27.63 <br />20-908 International Water Truck Off‐Highway Trucks 1 Diesel 225 175 299 Tier 4 Interim 0.38 1.29 63.22 84.28 <br />2025 CAT LPG D-6 Finish Dozer Rubber Tired Dozers 1 Diesel 265 175 299 Tier 4 Final 0.4 0.26 0.00 151.90 <br />2025-26 CAT 836 Compactor Plate Compactors 1 Diesel 540 300 599 Tier 4 Final 0.43 0.26 0.00 312.78 <br />2025-26 CAT 623 Scraper Scrapers 1 Diesel 370 300 599 Tier 4 Final 0.48 0.26 0.00 101.80 <br />2025-26 Large Dozer Rubber Tired Dozers 1 Diesel 400 300 599 Tier 4 Final 0.4 0.26 0.00 206.35 <br />2025 Loader mid size Rubber Tired Loaders 1 Diesel 165 120 174 Tier 4 Final 0.36 0.26 0.00 64.69 <br />13,575 15,647 <br />6.79 7.82 <br />37.19 42.87 <br />Assumptions <br />Grams per pound 453.592 <br />Pounds per ton 2,000 <br />Work days per year 365 <br />Abbreviations <br />NOx = nitrogen oxides; EF = emission factor; g/hp-hr = gram per horsepower-hour; lbs = pounds <br />Notes: <br />Emission factors were obtained from CalEEMod based on equipment type, fuel type, horsepower, and engine tier. <br />Equations: <br />Emissions [lbs] = emission factor [g/hp-gr] × number of pieces of equipment × horsepower × load factor × hours of annual operation/ 453.592 grams per pound <br />Low HP High HP <br />Horse- <br />powerFuel Type <br />NOx Emissions (lbs per year) <br />Total emissions per Year (lbs) <br />Total emissions per Year (tons) <br />Annual Average emissions per Day (lbs) <br />Engine Tier Load Factor <br />EF <br />(g/hp-hr)Project Equipment CalEEMod Equipment Category Number <br />Attachment A CAP Emission Calculations Page 3 of 30