ARCHIVED REPORTS_XR0011699 - Laserfiche WebLink

Home Browse Search

• Table 3. Soil Vapor Extraction and Treatment Systesfluent Data,ARCO Station 434,Lodi,California = Start-up date 613191 Sample Average flow Days to Down days Percent Influent conLenlralion,ppmv(a) Removal rale,lbs/day Nit removal,Ibs&gallons date Period rate,cfm period in period opLrational I PH-G 13 TPI{-G 13 CPI I-G 13 4 - 1 ) G 9 % 261 1 9 6 0 210 lbs 0 » 919194 8116194-9/27/94 63 42 1 98% 230 <0016 5 0 221 lbs 0 lbs 1014/94 9/27/94.1014194 62 7 0 100% 130 <0 007 3 0 21 Ibs 0 Ibs 11/3/94 1014194-1113194 62 30 1 97% 340 <0 083 8 0 228 lbs 0 Ibs 12/9194 1113194-12127/94 62 54 2 96% 110 <0 012 3 0 132 Ibs 0 lbs 1/6/95 12/27/94.1118195 60 22 37 83% 76 0 035 2 0 31 lbs 0 Ibs 216195 1/18/95.2113/95 53 26 161 38% 140 11 3 0 28 Ibs 0 lbs 3x1195 2/13195-3/16195 55 31 32 90% 89 0 18 2 0 51 Ibs 0 lbs 415195 3116/954/5/95 60 29 0 1000/6 24 0 l 0 16 lbs 0 lbs 5111195 (b) 415/95-5/11195 20 36 22 39% 33 0 0 0 3 lbs 0 Ibs 5118195 5111/95.5118195 20 7 0 100% 66 0 0 0 3 lbs 0 lbs 5/26/95 5118/93.5/26195 20 8 0 100% 80 0 1 0 5 Ibs 0 lbs 621/95 526/95-6/21/95 22 26 0 100% 44 0 0 0 9 Ibs 0 lbs 718195 6/21/95.718195 22 17 0 100% 77 <016 1 0 11 Ibs 0 Ibs 822195 7/8195-822/95 22 43 0 100% 54 <016 0 0 20 lbs 0 lbs 9/11/95 822/95-9111/95 22 20 0 100% 68 <01b I 0 II IN. 0 Ihs 12/31/95 9111/95-12/31/95 22 111 97 13% SYSTEM TURNED OFF ON 9125195 0 Ibs 0 Ibs 126196 12131196-3131/96 26 91 55 40% 87 , NA I 1 I NA 30 lbs NA lbs SYSTEM OPERATED 119196-2114196 Totals and averages 111196-3131196 26 91 55 40% 87 NA i NA 30 IN. NA Ibs for reporting period 5 gals NA gals Totals and averages 6/31/91-3/31/96 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)*(moles/1OC+6 umoles)•(1OC+3 mg/gm)•(t 177 mole/cubic fect)0(2 204640E-6 Ib/mg)0(60 min/hr)4(cubic lu.1/mm)•(24 hrs/day) where(gm/mole)is molecular weight,(urnoleslmole)is ppm tttflueni concentration,molecular weights of TPH-G and Benzene are 100 2 and 78 1,respectively For pounds cumulative removal we used the removal lb/day result and multiplied it by the difference in the number of days between the current and previous sampling event Gallons removal calculation(for TPH) gallons removed-Ibs• allon/densit m lbs(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