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1_ vm%1• 1 1 w 1_ 1_ _4r <br /> i <br /> TABLE 3 VAPOR EXTRACTION SYSTEM PERFORMANCE DATA, EXXON RS 7-0137, STOCKTON, CALIFORNIA <br /> Estlmated <br /> Influent Concentration (pg/L) Pounds TPH-g <br /> Days Percent Flowrate TPH-g TPH-g Benzene Removed <br /> Date Operational Operational (CFM) Influent Effluent Effluent in Period* <br /> 11/13/95 NA NA 38 20,055 218 2 - <br /> 11/13/95 NA NA 38 21,110 289 3 000 <br /> 11/20/95 NA NA 38 5,278 95 1 31559 <br /> 12/04/95 NA NA 38 3,518 60 0 21039 <br /> 01/03/96 NA NA 38 2,392 42 0 30296 <br /> 02/05/96 NA NA 38 1,500 13 ND 21946 <br /> 03/04/96 NA NA 38 900 10 ND 11481 <br /> 02/21/97 0 - NM 380 <5 <0 05 000 <br /> 02/27/97 6 100% 7 52 <5 <0 05 082 <br /> 04/04/97 35 97% 53 1,200 24 01 59 11 <br /> 05/06/97 17 53% 85 130 <10 <0 1 7014 <br /> 06/04/97 29 100% 83 210 <10 <0 1 3724 <br /> 07/02/97 28 100% 803 440 <10 <0 1 6681 <br /> 08/11/97 40 100% 83 69 <10 <0 1 7474 <br /> 09/11/97 31 100% 83 200 10 <0 1 31 12 <br /> 10/17/97 15 42% 97 51 <5 <0 05 1523 <br /> 12/04/97 31 65% 79 NA a <10 <0 1 1251 <br /> Total or Average 232 81% 1,531 <br /> *Esl Pounds TPH g Removed in PLnod= Avg Influent cone (ug/L)*avg nowrate(CFM)* 1440 min/day* l g/1 000 000 ug*0 002205 lbs/g*28 32 L1ft3 <br /> CFM Cubic fLLt per mmntt- <br /> pg/L micrograms per liter <br /> VOC-Volatile Organic Compounds <br /> TPH g Total Petroleum Hydrocarbons as gasoline <br /> NA Not analyzed <br /> SVE system operated by Fugro from 11/13/95 to 03/04/96 <br /> a Tedlar bag was received deflated by laboratory conLentration assumed equal to 10/17/97 result for calculation <br /> fIprojects1701371publ1L1u10I37air xls Report Table <br />