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Uinta Basin Sand,LLC <br /> OVERBURDEN STOCKPILE WIND EROSION EMISSIONS <br /> Active Pile Emissions Emission Factor Uncontrolled Emissions Throughput Rates <br /> Hourly 839 tons <br /> Pollutant Ibllon Lbs/hr Tonstyr Annual 3.010 931 tons <br /> Total Particulate 5.79E-03 4.86 8.72 <br /> PM10 2.74E-03 2.30 413 <br /> PM2.5 415E-04 0.35 0.62 <br /> E=0 0032'k'((U/5)11 3)!((M12)11 4) AP•42 Section 13 2 4 3 Equation 1 <br /> it=particle size multiplier <br /> It= 0.74 for<30um <br /> k= 0.35 for<10um <br /> k= 0.053 for<2 Sum <br /> Where <br /> M= Material moisture content 1 5 <br /> S= Material silt content 1 1 AP-42 Table 13 2 1-3 sand&gravel processing <br /> P= number of days in a year with at least 0.01 inches of precip 48.5 Days Ave from precip.Data of Massadona,Co for 2012-2017 <br /> A= annual hours of operations 8760 hours <br /> U= Wind Speed 7.3 mph Ave from wind speed Data of Calico Met.for 2008-2018 <br /> PRODUCT STOCKPILE WIND EROSION EMISSIONS <br /> Active Pile Emissions Emission Factor Uncontrolled Emissions Throughput Rates <br /> Hourly 839 Ions <br /> Pollutant Ib/lon Lbs/hr Tonslyr Annual 1250,000 Ions <br /> Total Particulate 5.79E-03 486 3.62 <br /> PM10 2 74E-03 2.30 1.71 <br /> PM2.5 415E-04 0.35 0.26 <br /> E=0.0032'k'((U/51"1.3)/((M12)^1 41 AP-42 Section 13.2 4 3 Equation 1 <br /> k=particle size multiplier <br /> k= 0.74 for<30um <br /> k= 0 35 for<1 Oum <br /> k= 0.053 for<2 Sum <br /> Where <br /> M= Material moisture content 1 5 <br /> S= Material silt content 7 1 AP-42 Table 13 2 1-3 sand&gravel processing <br /> P= number o1 days in a year with at least 0 01 inches of precp 485 Days Ave from precip Data of Massadona.Co for 2012-2017 <br /> A= annual hours of operations 8760 hours <br /> U= Wind Speed 73 mph Ave from wind speed Data of Calico Met.for 2008-2018 <br /> TOPSOIL STOCKPILE WIND EROSION EMISSIONS <br /> Active Pile Emissions Emission Factor Uncontrolled Emissions Throu h ut Rates <br /> Hourly 60I tons <br /> Pollutant Ibhon_ Lbs/hr Tons/yr Annual 23 541 _tons <br /> Total Particulate 5.79E-03 3.48 0.07 <br /> PM10 2 74E-03 1.64 0.03 <br /> PM2.5 4 15E-04 025 0.00 <br /> E=0.0032-k-((U/5)"1.3)1((Mi2)^1.4) AP-42 Section 13 2 4 3 Equation 1 <br /> k=particle size multiplier <br /> k= 0.74 for<30um <br /> k= 0.35 for<10um <br /> k= 0.053 for<2 Sum <br /> Where <br /> M= Material moisture content 1`' <br /> S= Material silt content 7 1 AP-42 Table 13.2 1-3 sand&gravel processing <br /> P= number of days in a year with at least 0 01 inches of precip 485 Days Ave from precip.Data of Massadona.Co for 2012.2017 <br /> A= annual hours of operations 8760 hours <br /> U= Wind Speed 7 3 mph Ave from wind speed Data of Calico Met.for 2008-2018 <br /> PTE Calcs.UBS Mine Site-V2.xlsx 9/3/2019 <br />