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io <br />111 <br />I Fj <br />ire <br />TABLE 2 <br />POTENTIAL TO EMIT EMISSION SOURCE ESTIMATES FOR ENCLOSED LANDFILL FLARE <br />FOOTHILL LANDFILL <br />LINDEN, CALIFORNIA <br />Notes: <br />(a) List of hazardous air pollutants was from Title 111 Clean Air Act Amendments, 1990, and include compounds found in landfill gas, as determined <br />from a list in AP -42 Tables 2.4-1 ("Oefault Concentrations for Landfill Gas Constituents, 11196). _ <br />(b) Average concentration of HAPS found in LFG were taken from 'Waste Industry Air Coalition Comparison of Recent Landfill Gas Analyses with Histonc <br />AP -42 Values" ill specific data (') were unavailable. <br />(c) Pollutant emission rate based on estimated maximum rate that control device is equipped to handle_ Flare has a maximum rated capacity of 2,267 scfm, <br />(d) Values taken from AP42 Table 2.4-3 ("Control Efficiencies for LFG Consituents'"j . <br />(e) Concentration of HCI is based on AP -42 Section 2.4 4.2. (11196). <br />(f) Concentration of Mercury based on EPA AP -42 Section 2.4 Table 2.4-1 (11198). <br />(g) VOCs assumed to equal NMOCs. <br />(h) Based on outlet concentration of 20 ppmv as hexane (RACTINSPS) and an estimated maximum exhaust rate of 2,267 SCFM. <br />(i) Based on exhaust flow from manufacturer specification. <br />Variables: <br />MODEL INPUT VARIABLES: <br />Max LFG Collection Rate to Flare (c) @ 47% methane <br />200 SCFM <br />Max LFG Collection Rate to Flare @ 50% methane - <br />188 SCFM <br />Max LFG Exhaust Rate from Flare (i) <br />2,267 . SCFM <br />Exhaust Oxygen per Manufacturer <br />- 3% <br />Flare Rati - <br />5.64 MMBtulhr <br />Criteria pollutant emission factors used forflare: <br />Pollutant Emission Factor <br />Data Source <br />NMOCsN005 20 ppmv outlet @3% 02 as hexane <br />BACTINSPS <br />CO 0.20lbIMMBtu <br />ManufacturersGuaranteelBACT <br />S02 150 ppmv - <br />BACT- <br />NO, 0.041 llMBtu <br />ManufacturersGuarantee/BACT <br />PM, 0.05lb1MMBtu <br />Manufacturers Guarantee with 5C% <br />. margin of safety; Chicopee testing <br />15021 <br />Emissions from the Flare [tonlyr]=(Molecular Weight of S02 l Molecular Weight of H2S)'((Molem ar Weight of H25[glmol])'(Ccnoentra1on of Compound[ppmv]d1,000,000) <br />'(LFG Flow to Flare [dm]) '(60 minBsr)' (24 fvlday)' (365 day!year?"(ltond20001b)'(11W453.6g)•(I mo1124.04L @ STP)'(28.32Utcf)) <br />ill <br />Emissions from the Flare [tonryrj=((Molecular Weight of NMOC as hexanejglmol])%Gonoentmlion of Compound(pprtivyi,000,000) <br />`(Exhaust rale from Flare [cfm])'(60 minlhr)' (24 hrrday)' (365 day/year)'(itonl2000ib)'(ilbf453.69)`(1 moP24.04L @ STP)'(26.32Lf1cf)) <br />