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Uinta Basin Sand,LLC <br /> Disturbed Area Wind Erosion j <br /> ! <br /> All sources combined <br /> Wind Erosion Emission Factor Uncontrolled Emissions Controlled Emissions <br /> Pollutant ton/acre- r Lbslhr Tons/ r Lbs/hr Tons/ r <br /> Total Particulate 0.38 3.47 15.20 2.56 11.21 <br /> PM10 0.19 1.74 7.60 1.28 5.61 <br /> PM2.5 0.038 0.23 1.03 0.14 0.63 <br /> NOTE 75% control from applying tackdier to unvegetated areas and as control after first year for revegetation required in land use permit <br /> Facility Area: Raw Stockpile Pile <br /> Area: 2`i Ofj acres <br /> Emission Factor=0.38 AP-42 Table 11.9-4 <br /> UDAQ guideline for this instance PM10=0.5 PM <br /> Usage 365 Days/ r <br /> Wind Erosion Emission Factor Uncontrolled Emissions Controlled Emissions <br /> Pollutant ton/acre r Lbs/hr Tonsl r Lbs/hr Tons/ r <br /> Total Particulate 0.38 2.256 9.88 2.256 9.88 <br /> PM10 n/a 1.128 4.94 1.128 4.94 <br /> PM2.5 n/a IL 0.113 0.49 0.113 0.49 <br /> Disturbed Areas Undergoing Revegetation: Pits <br /> Emission Factor= 0.38 AP-42 Table 11.9-4 For Exposed Areas-Seeded land,stripped overburden,graded overburden <br /> UDAQ guideline for this instance PM10=0.5 PM <br /> Wind Erosion Emission Factor Area Uncontrolled Emissions Controlled Emissions <br /> Year Pollutant ton/acre-yr (acres) Lbs/hr Tons/yr Lbs/hr Tons/yr <br /> Total Particulate 0.38 1.215 5.32 0.304 1.33 <br /> Pits PM10 n/a le!00 0.607 2.66 0.152 0.67 <br /> PM2.5 If n/a 0.121 0.53 0.030 0.13 <br /> PTE Calcs.UBS Mine Site-V2.xlsx 9/3/2019 <br />