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i Table 1. Solt Vapor Extraction and Treatment Sys Influent Data,ARCO Station 434,Lodi,California i Start up date 613191 Sample Averdge flow Daye to Down days Percent Influent concentration ppmv a Removal rate,lbsiday Net removal,Ibs&gallons date Penod rate,cfm period to penod operational TPH-G B TPH G B TPH-G B 1219194 11/3194-12/27/94 62 54 2 96% Ito <0012 3 0 132 lbs 0 lbs 1/6/95 121271941118195 60 22 37 83% 76 0035 2 0 31 lbs 0 lbs 216!95 1118/95 2113195 53 26 161 38% 140 1 1 3 0 28 lbs 0 lbs 317/95 2113M VINO 55 31 32 90% 89 018 2 0 51 Ibs 0 lbs 415195 3/16195 415/95 60 29 0 100% 24 0 1 0 16 lbs 0 Ibs 5111195 (b) 415195 5/11195 20 36 22 39% 33 0 0 0 3 lbs 0 Ibs 5118195 5111195-5118195 20 7 0 t00% 66 0 0 0 3 lbs 0 Ibs 5126/95 5118/95 526195 20 8 0 100% 80 0 1 0 5 Ibs 0 lbs 6121195 512&95 6/21!95 22 26 0 10096 44 0 0 0 9 lbs 0 lbs, t 718195 6/21195 7/8195 22 17 0 10096 77 <0l6 t 0 11 lbs 0 Ibs 8122/95 718195 8122/95 22 45 0 100% 54 <016 0 0 20 lbs 0 lbs 9111195 8122195 9/11/95 22 20 0 t00% 68 <016 1 0 II Ibs 0 lbs 12/31/95 9/11195 12/31/95 22 111 97 13% SYSTEM TURNED OFF ON 9/25195 0 lbs 0 lbs 112&96 12/31/95 3/31196 26 91 55 4O% 87 I NA I I I NA 30 Ib% NA lbs SYSTEM OPERATED 1!9!96-2114196 Totals and averages L/1196 1131196 26 91 55 4D% 87 NA I NA 30 lbs NA lbs for reporting period 5 grly NA gals Totals and averages 6/3191-3131196 80 1772 265 85% l 113 5 41 0 50862 lbs 153 lbs cumalanve 8204 gals 2 t gals Sample calculations Removal rate calculation Ibslduy-(gmlmole)s(umoldmole)'(moles11013+6 umoles)*(IOE+3 mglgm)'(I 177 molelcubic feet)+(2 204640E 6 lblmg)'(60 mm/hr)+(cubic feet/mm)"(24 hrdday) where(gm/mole)is molecular weight,(umolestmole)is ppm influent concentration,molecular weights of TPH G and Benzene are 100 2 and 78 1 respectively For pounds cumulative removal we used the removal Iblddy result and multiplied it by the difference to the number of days between the current and previous sampling event Gallons removal calculation(for TPH) allom removed—lbs•galloWdensity to lbs(denAty for TPH G is 6 2,benzene is 7 32 (a)from start up through lune 1992 influent samples were not taken beCdase there was no sample tap on the inlet to the cutdlytic oxidizer Therefore,the influent concentrations(in pins per million by volume)are an estimate (b)The cadyttc oxidizer was taken off line and replaced with u brordter system on 5111195