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:. <br /> -" `Ii 8LE 2 <br /> VAPOR EXTRACTION SYSTEM PERFORMANCE DATA <br /> Beacon Station No. 3641 <br /> 1210 Hammer Lane, Stockton, California <br /> OPERATING TPH as Gasoline Benzene <br /> DAYS INF EFF INF INF TOTAL EFF MAXIMUM MINIMUM INF INF TOTAL EFF MAXIMUM MINIMUM <br /> HOUR SINCE LAST FLOW FLOW CONC RATE REMOVED CONC EFF RATE bESTRUCTION CONC RATE REMOVED CONC EFF RATE DESTRUCTION <br /> HATE METER VISIT (scfm) (scfm) (ppmv) (ppd) (lbs) (ppmv) (ppd) EFFICIENCY (ppmv) (ppd) (lbs) (ppmv) (ppd) EFFICIENCY <br /> 3/4105 5218.2 0.0 96.9 214.0 3400 110.65 0 5.6 0.40 100% 40 1.13 0 <0.050 0.00 100% <br /> 3125105 5722.8 21.0 145.3 213.5 ns 165.87 2907.0 ns 0.35 nm ns 1.69 29.64 ns 0.00 nm <br /> 4120105 5722.8 0.0 109.6 202.3 1400 51.51 2907.0 <5.0 0.34 100% 24 0.77 29.64 <0.050 0.00 100% <br /> 4129105 5939.1 9.0 111.7 202.6 ns 52.51 3375.7 ns 0.34 nm ns 0.78 36.60 ns 0.00 nm <br /> 515105 6083.5 6.0 111.4 202.5 1300 48.62 3679.9 <5.0 0.34 100% 15 0.49 40.41 <0.050 0.00 100% <br /> 5119105 6417.0 13.9 96.5 2023 1400 45.37 4332.9 5.5 0.37 100°/a 14 0.39 46.52 <0.050 0.00 100% <br /> 612105 6756.6 14.1 130.3 213.4 940 41.13 4944.9 26 1.86 97% 8.7 0.33 51.64 <0.050 0.00 100% <br /> 6123105 7261.8 211 - -- ns 41.13 5810.8 ns 1.86 nm ns 0.33 58.58 ns 0.00 nm <br /> 6123/05 shut in VES due to blower electrical problem <br /> 8/11/05 7262.2 0.0 155.5 213.9 2400 132.26 5812.8 38 2.88 98% 18 0.81 58.60 0.069 0.00 100% <br /> 8131105 7285.4 1.0 153.4 243.1 ns 79.37 5915.1 ns 3.27 nm ns 0.80 59.38 ns 0.00 nm <br /> 9/14/05 7622.5 14.0 105.9 214.1 520 19.52 6189.3 <5.0 0.19 99%0 4.4 0.14 61.28 <0.050 0.00 100% . <br /> 9126/05 7907.5 11.9 124.0 2030 ns 2286 6440.8 ns 0.18 nm ns 0.16 63.03 ns 0.00 nm <br /> 9/26105 7909.6 0.1 177.5 262.6 ns 32.71 6443.7 ns 0.47 nm ns 0.23 6305 ns 0.00 nm <br /> Total Hours of Operation= 2689.3 Notes: TPH=total petroleum hydrocarbons scfm=standard cubic feet per minute <br /> Total Days of Operation= 112.1 INF=influent ppmv=parts per million by volume <br /> Total Weeks of Operation= 16.0 EFF=effluent ppd=pounds per day <br /> CONC=concentration lbs=pounds <br /> VESdata <br /> Project No. 1641.31 Page 1 of 1 HORIZON ENVIRONMENTAL INC. <br />