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Uinta Basin Sand,LLC <br /> Unpaved Haul Roads: Pits to Spoils Pile <br /> Unpaved Haul Roads Uncontrolled Controlled <br /> Pollutant Lbs/hr Tons/ Lbslhr To <br /> ni <br /> Total Particulate 47,32 14Z64 11.83 36.91 <br /> PM',, 13.04 40.69 3.26 40.69 <br /> PM" 1.30 4,07 0,33 1.02 <br /> PM= (k((s/12)^0.7)((W/3)^0.45)-((365-P)/365) Pounds per VMT <br /> Pli (k'((s/12)^0.9)((W/3)^0.45)'((365-P)/365) Pounds per VMT <br /> PM: (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 13.2.2-2 49 <br /> k'= particle size factor <10 um from AP-421rable 13.2.2-2 1 5 <br /> k2= particle size factor <2.5 um from AP42 Table 13.2.2-2 0 15 <br /> s= silt content default mean value AP-42 page 13.2.2-2 7 1 AP-42 Table 13.2.1-3 sand 8 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 Pit Out of PR Unit(Ibs per vehicle <br /> Pollutant (Empty Trucks Loaded Trucks mils traveled) Material:Coal <br /> PM= 11.074 15,844 Lbs/VMT Material(Ions/year) 3,010.931 <br /> PM+o= 3.052 4.367 Lbs/VMT Empty Weight(Ions) 57 <br /> PM:s= 0.305 0A37 LbsNMT Loaded Weight(tons) 126 <br /> Weight of Sandstone Load 69.4 <br /> VMTNEAR(into pit)= 10.970 Mean Vehicle Weight(empty) 57 <br /> VMTNEAR(out of pit)= 10,970 Mean Vehicle Weight(loaded) 126 <br /> Trips/year(empty into pit) 43,385 <br /> i1;om.a azi.�rco u.H„wn.nr <br /> oo m-1m v.,1— <br /> Length of road one way(it) 335 v atm) Tri sl ear(loaded out of it) 43,385 <br /> Miles/Trip 0.3 Miles <br /> Trips/year(into pit) 43,385 <br /> Tripstyear(out of pit) 43,385 <br /> Control Efficiency for roads 75'7 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 13.2.2 Unpaved Roads <br /> Hours per year 6240 <br /> PTE Calcs.UBS_Mine Site-V2.xlsx <br /> 9/3/2019 <br />