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Table 1. Soil Vapor Extraction and Treatment System Influent Data, ARCO Facility 2133,Stockton, California <br /> CnnlmuOUS opLralron began on 1/11/95 <br /> Sample Average. /low Days in Down days Percent Influent coucL tralion,Ppmv Removal rate,lbs/day Net removal,lbs& gallons <br /> date, Period rate. clns PC riod in p-rrod operational 11111-G 11 1 I'll-G 13 1 PI I-G Il <br /> 1111/95 Source test 100 1 0 100% 590 17 22 1 005 22 lbs 00 lbs <br /> 2/9/95 1/11/95-219195 80 29 1 97% 480 45 144 Oil 403 Ibs 29 lbs <br /> 3128/95 2/9/95-3128195 80 47 34 28% 160 062 48 001 62 lbs 02 lbs <br /> 414195 3128195-414195 80 7 0100% 190 047 5 7 001 40 lbs 0 1 Ibs <br /> 5/3/95 4/4/95-5/3195 100 29 1 97% 460 12 17 2 035 482 lbs 98 lbs <br /> 5/15/95 513/95-5115195 100 12 1 96% 340 88 12 7 026 146 lbs 30 Ibs <br /> 6/12/95 5115/95-6112/95 100 28 3 89% 240 18 90 005 225 lbs 13 lbs <br /> 7/8/95 6112195-718195 100 26 0 100% 140 <0 016 5 2 000 136 lbs 00 Ibs <br /> 8/22/95 7/8/95-8/22/95 80 45 0 100% 1200 41 359 096 1618 Ibs 43 1 lbs <br /> 9119195 8122/95-9119195 100 28 0 100% 480 <0016 180 000 503 lbs 00 lbs <br /> 10/23/95 9/19/95-10/23195 100 34 0 100% 240 <0 016 9 0 000 306 lbs 00 lbs <br /> 11/15/95 10123195-11/15/95 100 23 0 100% 170 4 7 6 4 000 146 lbs 00 lbs <br /> 12/15/95 (a) 11/15/95-12/15195 100 30 6 80% 31 NA 12 NA 28 Ibs NA lbs <br /> 1126196 12/15195-1126/96 100 42 35 17% 117 NA 4 4 NA 31 lbs NA Ibs <br /> 2114/96 1/26/96-2/14/96 100 19 0 100% 110 NA 41 NA 78 Ibs NA lbs <br /> 3/27/96 2114/96-3/27/96 100 42 33 21% 103 NA 3 9 NA 35 Ibs NA lbs <br /> System ulTdue to hrgls groundwater levels <br /> lolals and averages 6121196-9/30/96 NA NA NA NA NA NA NA NA NA Ibs NA lbs <br /> for reporinrg period <br /> NA gals NA gals <br /> locals amiaverages 1111/95.3/27196 95 442 1 E4 74% 316 8 4 109 015 4261 lbs 604 lbs <br /> e nnndali ve <br /> 687 gals 83 gals <br /> Sample calculations <br /> Mass exlractton rate calculation <br /> lbs/day=("x"ppm/1,000,000)• ("Q"fi^3/min)'("M W"lb/[b-mol)*(60 mn/hr)*(24 hr/clay)*(Ib-mol/379 5 n^3) <br /> when "x"IS mllu,nl concustratron in ppm <br /> T"is Ihe,avLrage flow rats.in ft"Min <br /> Gallons removal calculation "M W"Is the,molecular weight in lb/lb-mol (100 2 for TPH-G,78 1 for benzene) <br /> gallons removed=lbs* gallon/densuy in lbs(denSily for I I'll-G is 6 2,bervene.is 7 32) <br /> Notes <br /> (a)= Ileginmg 12115195,samph.s analyzed in the Iie,Id with a portable Photo Ionization Dectector(PID) <br /> NA=Not avaclablt <br />