Appendix

TABLE 1. PEARCE CREEK PROJECT EMISSION ESTIMATES

NOX VOC

Emission Emissions Emission Emissions

# of Load Total Factors (tons) Factors (tons)

Equipment Eng. HP Factor Hours hp-hr (g/hp-hr) 907,200 (g/hp-hr) 907,200

LD, FE, WH 2.5 CY Bkt 1 136 0.59 60 4814.4 6.24 0.033 1.06 0.006

LD, BH, WH 1.25 CY Bkt 1 92 0.59 60 3256.8 6.24 0.022 1.06 0.004

TRK, HYW, 8,600 GVW, 4x4 (Suburban) 1 285 0.57 60 9747 3.72 0.040 0.29 0.003

Tractor, Crwlr. (Dozer), 181-250 HP 1 240 0.80 32 6144 3.76 0.025 0.31 0.002

TRK, HYW, 55,000 GVW 1 310 0.57 60 10602 3.72 0.043 0.29 0.003

Small Tools 1 2 0.48 120 115.2 0.91 0.000 62.81 0.008

Chain Saw 1 5 0.70 2439 8536.5 0.91 0.009 62.81 0.591

LD, BH, WH 1.25 CY Bkt 1 92 0.59 90 4885.2 6.24 0.034 1.06 0.006

TRK, HYW, 8,600 GVW, 4x4 (Suburban) 1 285 0.57 2674 434391.3 3.72 1.781 0.29 0.139

Brush Chipper, 6" Dia. Log Size, Trlr Mtd 1 44 0.78 414 14208.48 5.21 0.082 0.35 0.005

Compactor, Vibroplate, 21" x 24" 1 6 0.55 193 636.9 5.21 0.004 0.35 0.0002

Crane, Hyd, Trk mounted, 65 Ton 1 365 0.47 16 2744.8 4.94 0.015 0.29 0.001

Crane, Hyd, Trk mounted, 75 Ton 1 400 0.47 68 12784 4.94 0.070 0.29 0.004

Crane, Mech., Crwlr., Lifting 50T, 30' Bm 1 178 0.47 56 4684.96 4.94 0.026 0.29 0.001

Drill, Hydraulic Auger 14" Dia, 30' Depth 1 58 0.66 24 918.72 5.21 0.005 0.35 0.0004

Hydraulic Excavator, Crwlr, 55,100 LB, 1.9 CY Bkt 1 176 0.53 352 32834.56 3.56 0.129 0.28 0.010

LD, BH, WH 1.25 CY Bkt 1 67 0.59 420 16602.6 6.24 0.114 1.06 0.019

Pump, Water, Diaph, 4" Dia 1 3 0.69 160 331.2 5.21 0.002 0.35 0.0001

Roller, Vib, Towed, SD, Sheep'ft, 13.3 T, 67" W 1 50 0.62 6058 187798 5.21 1.079 0.35 0.072

Scraper, Tandem Pow'd, 34 CY, 4X4 1 450 0.59 10938 2904039 3.76 12.036 0.31 0.992

Tractor, Crwlr. (Dozer), 181-250 HP 1 240 0.80 20324 3902208 3.76 16.173 0.31 1.333

TRK, HYW, 25,000 GVW 1 180 0.57 6814 699116.4 3.72 2.867 0.29 0.223

TRK, HYW, 55,000 GVW 1 310 0.57 1225 216457.5 3.72 0.888 0.29 0.069

Welder, Diesel, 300 Amp, Tralr mounted 1 45 0.68 88 2692.8 5.21 0.015 0.35 0.001

Welder, Diesel, 300 Amp, Skid mounted 1 27 0.68 64 1175.04 5.21 0.007 0.35 0.0005

Concrete Vibrator, 2.5" DIA 1 7.5 0.55 32 132 5.21 0.001 0.35 0.0001

Brush Chipper, 12" Dia. Log Size, Trlr Mtd 1 84 0.78 1220 79934.4 5.21 0.459 0.35 0.031

Rototiller, 21" W x 7" D 1 10 0.71 83 589.3 5.21 0.003 0.35 0.0002

Small Tools 1 2 0.48 9500 9120 0.91 0.009 62.81 0.631

TOTAL EMISSIONS 35.970 4.159