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Uinta Basin Sand, LLC <br /> Top Soil Removal <br /> Uncontrolled Emissions Controlled Emissions Throughput R"ton <br /> Hourly 600.0 <br /> Pollutant Lbs/hr Tons/yr Lbs/hr Tons/yr Annual 23,541 <br /> Total Particulate 0.453 0.009 0.453 0.009 <br /> PM10 0.245 0.005 0.245 0.005 <br /> PM2.5 0.014 0.000 0.014 0.000 Density 2300 Ibs/cu yd <br /> Amt 20,470 cu yds <br /> Emission Factor from AP-42 Table 11.9-1 for grading <br /> PM emissions (IbsNMT)= 0.04*SA 2.5 PM emissions (Ibs/hr)= 0.04*SA 3.5 <br /> PM10 emissions (IbsNMT)= (0.6)(0.051)*S^2 PM10 emissions(Ibs/hr)= (0.6)(0.051)*S^3 <br /> PM2.5 emissions(IbsNMT)= (0.04-SA 2.5)*0.031 PM2.5 emissions (Ibs/hr)= (0.04-SA 3.5)(0.031) <br /> Where <br /> A= annual hours of operations 39.2 hours <br /> S= 2 mph grader/scraper speed <br /> PTE Calcs. UBS_Mine Site-V2.xlsx 9/3/2019 <br />