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Uinta Basin Sand,LLC <br /> Paved Haul Roads: In Pits(Trucks running on inplace Sandstone) <br /> Unpaved Haul Roads Uncontrolled Controlled <br /> Pollutant Lbs/hr Tonstyr Lbsft Tonslyr <br /> Total Particulate 0,20 0,62 002 0.D6 <br /> PM, 0.04 0.11 0,00 0.01 <br /> PM25 0.01 0.03 0.00 0.00 <br /> PM= (k((s/12)^0.7)((W/3)^0.45)'((365-P)1365) Pounds per VMT <br /> PM,o= (k'((s/12)10.9)((W/3)^0.45)'((365-P)/365) Pounds per VMT <br /> PM2,= (k2((s/12)^0.9)((W/3)^0.45)'((365-P)/365) Pounds per VMT <br /> WHERE <br /> k= particle size factor 30 um from AP-42 Table 13.2.1-1 0.011 <br /> k'= particle size factor <10 um from AP-42 Table 13.2.1-1 0.0022 <br /> k2= particle size factor <2.5 um from AP-42 Table 13.2.1-1 0.00054 <br /> s= silt content default mean value AP-42 Table 13.2.1-3 71 AP-42 Table 13.2 1-3 sand&gravel processing <br /> W= Mean vehicle weight(tons)(Empty trucks) 57 <br /> W= Mean vehicle weight(tons))Loaded Trucksl 126 <br /> P= number of days in a year with at least 0,01 inches of precip 48.5 Ave from precip.Data of Massadona.Co for 2012-2017 <br /> Haul Road <br /> Emission Factors Materials and Trucks <br /> Into Ph Out of Pit Unit(Ibs per vehicle <br /> Pollutant (Empty Trucks) Loaded Trucks mile traveled Material:Coal <br /> PM= 0.025 0.036 Lbs/VMT Material(tonstyear) 3010,931 <br /> PM,o= 0.004 0.006 Lbs/VMT Empty Weight(tons) 57 <br /> PM,; 0.001 0.002 Lbs/VMT Loaded Weight(tons) 126 <br /> Weight of Sandstone Load 69.4 <br /> VMT/YEAR(into pit)= 20.378 Mean Vehicle Weight(empty) 57 <br /> VMT/YEAR(out of pit)= 20,378 Mean Vehicle Weight(loaded) 126 <br /> Tripslyear(empty into pit) 43,385 <br /> (F WhaM Nslai—travalod.Much <br /> iasWL•M moL cmwrvann <br /> Length of road one way(ft) 2,480 aM-1.) Trips/year loaded out of d 43.385 <br /> Miles/Trip 0.5 Miles <br /> Trips/year(into pit) 43.385 <br /> Trips/year(out of pit) 43.385 <br /> Control Efficiency for roads 90%Water sprays on paved road(UDAO guidance memo."Emission Factors for Paved&Unpaved Haul Roads) <br /> HOURS OF OPERATION AP-42 Fifth Edition Volume 1,Supplement E December 2003 <br /> Hours per day 24 Section 13 Miscellaneous Sources,11/2006 Revision <br /> Days per week 5 13.1 Fugitive Dust Sources <br /> Weeks per year 52 13.2.1 Paved Roads <br /> Hours per year 6240 <br /> PTE Calcs.UBS_Mine Site-V2.zlsz 9/3/2019 <br />