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Uinta Basin Sand,LLC <br /> OTR Paved Haul Roads: In Pits(OTR Trucks running on inplace Sandstone) <br /> OTR Haul Road Uncontrolled Controlled <br /> Pollutant Lbs/hr Tonslyr Lbs/hr 7 <br /> Total Particulate _ 0.20 0.64 0.05 0.16 <br /> PM, 0.37 1.15 009 0.29 <br /> PM.; 0.01 0.03 0.00 0.01 <br /> PM= (k((stl2)^0.7)((W/3)^0.45)'((365•Py365) Pounds per VMT <br /> PM,,,= (k'((s112)^0.9)(IW13)^0.45)'((365•P)1365) Pounds per VMT <br /> i <br /> PM;.= (k2((s/12)109)((W/3)^0.45)'((365-P)/365) Pounds per VMT <br /> WHERE <br /> k= particle size factor 30 um from AP-42 Table 13.2.2-2 0 011 <br /> k'= particle size factor <10 um from AP-42Table 13 2.2.2 0 022 <br /> k2= particle size factor <2.5 um from AP-42 Table 13.2.2-2 000054 <br /> S= silt content default mean value AP-42 page 13.2.2.2 7 1 AP-42 Table 13.2.1.3 sand&gravel processing <br /> W= Mean vehicleweight(tons)[Empty trucks[ 19 <br /> W= Mean vehicle weight(tons)[Loaded Trucks] 55 <br /> P= number of days in a year with at least 0.01 nches of precip 48.5 Ave from precip.Data of Massadona,Co for 2012-2017 <br /> OTR Haul Road <br /> Emission Factors Materials and Trucks <br /> Into Pit Out of Pit Unit(Ibs Par vohiclo <br /> Pollutant (Empty Trucks) (Loaded Trucks) mile traveled) Material:Coal <br /> PM= 0.015 0.024 Lbs/VMT Matenal(tonsyear) 1250,000 <br /> PM,,,= 0.027 0 044 Lbs1VMT Empty Weight(tons) 18 5 <br /> PM..,= 0.001 0.L'01 _ Lbs/VMT Loaded Weight(Ions) 55.0 <br /> Weight of Sandstone Load 36.5 <br /> VMTIYEAR(into pit)= 32.301 Mean Vehicle Weight(empty) 19 <br /> VMT/YEAR(out of pit)= 32,301 Mean Vehicle Weight(loaded) 55 <br /> Tripslyear(empty into pit) 34.247 <br /> If <br /> Length of road one way(ft) 4 980 n•..nnn^) Tri s/ear loaded out of it 34.247 <br /> MilesfTnp 0.9 Moles <br /> Tripsyear(into loadcut) 34,247 <br /> 1 ripslyear(out of loadout) 34.247 <br /> Control Efficiency for roads 75%Mag Chloride <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 13.2 Fugitive Dust Sources <br /> Weeks per year 52 13.2.1 Paved Roatls <br /> Hours per year 6240 <br /> PTE Calcs.USS_Mine Site-V2.xlsx 9/3/2019 <br />