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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 T r LbSAV Tonslyr <br /> Total Particulate 0.20 0 662 0.02 0.06 <br /> Pm, 0.04 0 11 000 0.01 <br /> PM:, 0.01 0.03 0.00 0.00 <br /> PM= (k((s112)^0.7)((W/3)^0-45)'((365-P)1365) Pounds per VMT <br /> PM,o= (k'((s/12)^0.9)((W/3)^0.45)'((365-P)1365) Pounds per VMT <br /> PM;.= (k2((s/12)^0.9)((W/3)^0.45)-((365-P)1365) Pounds per VMT ' <br /> WHERE <br /> k= particle size factor 30 um from AP-42 Table 13.2.1-1 0 01,. <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 000054 <br /> s= silt content default mean value AP-42 Table 13.2.1-3 7 1 AP-42 Table 13.2 1-3 sand&gravel processing <br /> W= Mean vehicle weight(tons)[Empty trucks] 57 <br /> W= Mean vehicle weight(tans)[Loaded Trucksl 126 <br /> P= number of days in a year with at least 0.01 inches of preclp 48,5 Ave from precip.Data of Massadona.Co for 2012.2017 <br /> Haul Road <br /> Emission Factors Materials and Trucks <br /> Into Pit out of PR Unit(Ibs per vehicle <br /> Pollutant (Empty Trucks) Loaded Trucks mile trawled Material:Coal <br /> PM= 0.025 0,036 Lbs/VMT Material(tonstyear) <br /> PM,,= 0 004 0.006 Lbs/VMT Empty Weight(tons) 57 <br /> PM„' 0.001 0.002 Lbs1VMT Loaded Weight(tons) 126 <br /> Weight o1 Sandstone Load 69.4 <br /> VMT/YEAR(into pit= 20.378 Mean Vehicle Weight(empty) 57 <br /> VMTIYEAR(out of pit)= 20.378 Mean Vehicle Weight(loaded) 126 <br /> Trips/year(empty Into pit) 43.385 <br /> ir.umu:.l do—v.lr,.;on K. <br /> uvll�.n Iro.l cul:rrv.Nn <br /> Length of road one way(It) 2,480 enl—t.) Tri s/ ar(loaded out of d) 43,365 <br /> Milesrrdp 0.5 Miles <br /> Trips/year(into pit 43.385 <br /> Trips/year(out of pit) 43,386 <br /> Control Efficiency for roads 90"/6 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.xlsx 9/3/2019 <br />