ARCHIVED REPORTS_XR0011700 - Laserfiche WebLink

Home Browse Search

Table 3 Soil Vapor Extraction and Treatment Sys IVfluent Data,ARCO Station 434,Lodi,California 18 Start-up date 613191 Sample Average flow Days in Down days Percent Influent concentration,ppmv(a) Removal rate,lbs/day Nu removal,lbs&gallons date Period rate cfm period to period operational TPH-G 13 TPI1-G B rpt-1-G B 8/16/94 7 6 94-8 16/94 62 41 3 93% 261 19 6 0 230 s 0 Ills 919/94 8/16/94-9/27/94 63 42 1 98% 230 <0 016 5 0 221 lbs 0 lbs 1014194 9127/94-1014194 62 7 0 100% 130 <0007 3 0 21 lbs 0 lbs I W194 1014/94-11/3194 62 30 1 97% 340 <0 083 8 0 228 lbs 0 lbs 12/9/94 11/3/94-12/27/94 62 54 2 96% 110 <0012 3 0 132 lbs 0 lb-, 1/6/95 12/27/94-1/18/95 60 22 37 83% 76 0035 2 0 31 Ibs 0 lbs 216195 1118195-2113195 53 26 161 38% 140 11 3 0 28 lbs 0 lbs 3n/95 2/13/95-3/16195 55 31 32 90% 89 0 18 2 0 51 lbs 0 lbs 415195 3116/95415/95 60 29 0 100% 24 0 1 0 16 lbs 0 lbs 5111/95 (b) 415195-5111/95 20 36 22 39% 33 0 0 0 3 lbs 0 lbs 5118/95 5111195-5/18/95 20 7 0 100% 66 0 0 0 3 lbs 0 lbs . 5/26/95 5/18/95-5126195 20 8 0 100% 80 0 1 0 5 His 0 lbs 6/21/95 5/26/95-621195 22 26 0 100% 44 0 0 0 9 lbs 0 lbs 718195 6/21/95-7/8195 22 17 0 100% 77 <016 1 0 11 lbs 0 lbs 822/95 7/8/95-8/22195 22 45 0 100% 54 <016 0 0 20 tbs 0 lbs 9111195 8122195-9111/95 22 20 0 100% 68 <016 1 0 11 IN, 0 lbs 12/31/95 9111/95-12/31/95 22 111 97 13% SYSTEM TURNED OFF ON 9125/95 0 lbs 0 lbs 1126/96 12131/96-3/31/96 26 91 55 40% 87 I NA I I I NA 30 lbs NA lbs SYSTEM OPERATED 119196-2114196 Totals and averages 1/1/96-3131196 26 91 55 40% 87 NA I NA 30 lbs NA lbs for reporting period 5 gals NA gals Totals and averages 6131191-3/31/96 80 1772 265 85% 1113 5 41 0 50862 lbs 153 lbs cumulative 8203 gals 21 gals Sample calculations Removal rate calculation Ibs/day=(gmlmole)*(umole/mole)*(motes/10E+6 umoles)*(101:+3 mg/gm)*(1 177 molelcubic fect)*(2 204640E-6 lb/mg)*(60 mm/hr)*(cubic leet/min)*(24 hrslday) where(gm/mole)is molecular weight,(umoles/mole)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 Ib/day result and multtplted it by the difference in the number ordays between the current and previous sampling event Gallons removal calculation(for TPH) gallons removed=lbs*gallon/density to His(density for TPH-G is 6 2 benzene is 7 32 (a)From start-up through June 1992 influent samples were not taken because there was no sample tap on the inlet to the catalytic oxidizer Therefore,the influent concentrations(in parts per million by volume)are an estimate (b)The catlytic oxidizer was taken off-line and replaced with a biofilter system on 5/11/95 I