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T S <br /> Table 1 - <br /> Sod Vapor Extraction System Performance Data <br /> Unocal Service Station 2859 <br /> 1665 Pacific Avenue <br /> Stockton,California <br /> TPPH as Gasoline Benzene <br /> Innuent Influent <br /> Hourmeter Flow Concen- Removal Removed Concen- Removal Removed <br /> Sample Date Reading Rate tration Rate to Date tration Rate to Date <br /> ID Sampled (hours) (scfm) (ppmv) (lbs/day) (Ibs) (ppmv) (lbs/day) (Ibs) <br /> INFL 01/17/96 a 1,984 47 1,773 749 00 22 009 000 <br /> INFL 02/12/96 1,986 51 898 1742 1 0 81 013 001 <br /> INFL 03/13/96 2,284 72 496 1359 1935 ND b 003 1 01 <br /> INFL 04!09196 2,568 103 591 2314 4109 ND b 009 175 <br /> INFL 05/02/96 2,892 120 331 1510 6690 ND b 005 273 <br /> INFL 06/06/96 3 676 61 260 603 1,0141 075 001 385 <br /> RMlR..TING.PMOD. i13ft3JWW QWQW" <br /> TOTAL PWNDS MMOVW.- 311" <br /> T0TAL,0AMONS.MMQVSD W ik lr <br /> PERIOD POUNDS REMOVEM, 82MO x-94 <br /> FERIouVAL b11MPAMOVED: <br /> TOTA.DAYS of OPEPAMV. 76. v <br /> PEMW]DAYS Of 10MI tTf ON: 99.40 <br /> PEMOD AVERAGE P.IM RATE(sefn1: 9� <br /> :PERM leROEXT i3PER1 noNA4.: SS% <br /> TPPH =Total purgeable petroleum hydrocarbons <br /> scfm =Standard cubic feet per minute <br /> ppmv =Parts per million by volume <br /> Ibs =Pounds <br /> ND =Not detected above the detection limit <br /> a SVE system started 1117196 and sampled,shutdown pending receipt of permitto operate <br /> b Concentrations reported as ND use the detection limit to calculate mass removal and emission rates <br /> Concentrations shown in ppmv are calculated from micrograms per liter,as reported by the laboratory <br /> See certified analytical reports for detection limits <br />• <br /> 3100405Al2Q96QPR XLSITABLEI A-2 September 10, 1996 <br />