Laserfiche WebLink
Table 1. Soil Vapor Extraction and Treatment SystemTnfluent Data, ARCO Facility2133 Stockton California <br /> , <br /> Continuous operation began on 1111/95 <br /> Sample Average flow Days in Down days Percent Influent concentration m Removal rate lbs/dav I Net removal Ibs 8c gallons <br /> date Period rate cfm period in period operational TPH-G B TPH-G B TPH-G B <br /> 1/11195 Source test toff 1 0 100% 590 17 22 1 005 22 lbs 00 lbs <br /> 2/9195 1111/95-219195 80 29 1 97% 480 45 144 Oil 403 lbs 29 Ibs <br /> 3/28/95 2/9195-3128195 80 47 34 28% 160 062 48 001 62 Is 02 lbs <br /> 4/4/95 3/281954/4195 80 7 0 100% 190 047 57 001 40 lbs 0 1 Ibs <br /> 513/95 4/4/95-513/95 100 29 1 97% 460 12 172 035 482 lbs 9 8 lbs <br /> 5115195 513195-5115/95 100 12 1 96% 340 8 8 l2 7 026 146 Ibs 3 0 lbs <br /> 6112195 5/15/95-6/12/95 100 28 3 99% 240 18 90 005 225 lbs 1 3 lbs <br /> 718/95 6112/95-7/8/95 100 26 0 100% 140 <0 016 52 000 136 lbs 00 lbs <br /> 8/22195 7/8/95-8/22195 80 45 0 100% 1200 41 359 096 1618 lbs 43 1 lbs <br /> 9/19/95 8M95-9/19/95 100 28 0 100% 480 <0 016 180 000 503 lba 00 lbs <br /> 10/23/95 9/19195-10123195 100 34 0 100% 240 <0016 90 000 306 lbs 00 The <br /> 11/15/95 10/23/95-11/15/95 100 23 0 100% 170 47 64 000 146 Ibs 00 lbs <br /> 12/15/95 (a) 11/15/95-12/15/95 100 30 6 80% 31 -- 12 — 28 lbs -- lbs <br /> 1/26/96 12/15/95-1/26/96 100 42 35 17% 117 -- 44 — 31 lbs -- lbs <br /> 2114/96 1/26196-2/14196 100 19 0 100% 916 -- 343 -- 652 lbs -- Is <br /> 3/27/96 (b) 2/14196-3127196 100 42 33 2t% 10 — 04 -- 3 Ibs - Ibs <br /> 10/8196 (c) 1018196-I0/18/96 100 10 0 100% 33 12 -- 12 Ibs -- Ibs <br /> Totals and averages 6/30/97-9116/97 -- 78 78 0% -- -- — -- 00 Ibs 00 lbs <br /> for repornng penod 00 gals 00 gals <br /> Totals and averages 1/11/95-9/16/97 95 795 457 43% 341 84 119 015 4815 lbs 604 lbs <br /> cumulanve 777 gals 9 3 gals <br /> Sample calculations <br /> Mass extraction rate calculation <br /> Ibs/day = ("x"pprn/1,000,000)*("Q" ft-3/mm)*("M W " Ib/lb-mol)*(60 mmlhr)*(24 hr/day)*(Ib-mo11379 5 ft"3) <br /> where "x" is influent concentration in ppm <br /> "Q" is the average flow rate in ft"3/min <br /> "M W " is the molecular weight in Ib/lb-mol (100 2 for TPH-G, 78 1 for benzene) <br /> Gallons removal calculation <br /> gal removed = lbs/density,density m 1b1 al density for TPH-G is 6 2,benzene is 7 32 <br /> Notes <br /> (a)Beginning 12/15/95, samples analyzed in the field with a portable Photo Ionization Dectector(PID) <br /> (b)System off from 3/27/96 through 10/8/96 due to high groundwater levels <br /> (c)System turned off on 10/18/96 due to low influent concentrations <br /> "--" = Not available <br />