Laserfiche WebLink
Uinta Basin Sand,LLC <br /> OTR Unpaved Haul Roads(Pit to Permit Boundary) <br /> OTR Haul Road Uncontrolled Controlled <br /> Pollutant Lbslhr Tonslyr Lbs/hr Tonslyr <br /> Total Particulate 87.70 273.61 21.92 68.40 <br /> PM" 24.17 75.41 6.04 1885 <br /> PM" 2.42 7.54 0.60 1.89 <br /> PM= (k((s/12)40.7)((W/3)"0.45)'((365-P)1365) Pounds per VMT <br /> PM,a= (k'((s112)10.9)((W/3)^0.45)*((365-P)1365) Pounds per VMT <br /> PM;5= (k2((s/12)10.9)((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-42Table 13.2.2-2 1 5 <br /> k2= particle size factor<2.5 um from AP-42 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&gravel processing <br /> W= Mean vehicle weight(tons)[Empty tacks] 22 <br /> W= Mean vehicle weight(tons)[Loaded Trucks) 44 <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 /> OTR Haul Road <br /> Emission Factors Materials and Trucks <br /> Into Pit Out of Pit Unit ills per vehicle <br /> Pollutant (Empty Trucks Loaded Trucks mile traveled) Material Coal <br /> PM= 7.139 9.803 Lbs1VMT Material(lonslyear) -.250,000 <br /> PM!„= 1968 2.702 LbslVMT Empty Weight(tons) 21 5 <br /> PM; 0.197 0.270 LbsNMT Loaded Weight(tons) 435 <br /> Weight of Sandstone Load 22 <br /> VMT/YEAR(into pit)= 26.903 Mean Vehicle Weight(empty) 22 <br /> VMTNEAR(out of pit)= 26.903 Mean Vehicle Weight(loaded) 44 <br /> Trips/year(empty into pit) 56,818 <br /> (iattw::dJ:ria�:•.xxM•ricn <br /> w:WCm m J mnnrvx,ve <br /> Length of road one way(ft) 2.500 owmnr Ta sl ear loaded out of d 56,818 <br /> Miles7Trip 0.5 Miles <br /> Tripslyear(into loadoul) 56.818 <br /> Trips/year(out of loadoul) 56.818 <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 13.2.2 Unpaved Roads <br /> Hours per year 6240 <br /> PTE Calcs.UBS_Mine Site-V2.zlsz 9/3/2019 <br />