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Table 2 <br /> . Soil Vapor Extraction System Emission Data <br /> Unocal Service Station 2859 <br /> 1665 Pacific Avenue <br /> Stockton, California <br /> TPPH as Gasoline Benzene <br /> Effluent Effluent Effluent Effluent <br /> Operating Flow Concen- Concen- Destruction Emission Concen- Concen- Emission <br /> Sample Date Reading Rate tration tration Efficiency Rate tration tration Rate <br /> ID Sampled (hours) (scfm) (pg/L) (ppmv) (percent) (lbs/day) (pg1L) (ppmv) (lbs/day) <br /> EFFL 01/17/96 a 1,984 47 63 15 992 03 38 11 0015 <br /> EFFL 02/12/96 1,986 51 43 10 989 02 37 1 1 0 017 <br /> EFFL 03/13/96 2 284 72 34 80 984 02 075 022 0 005 <br /> EFFL 04/09/96 2 568 103 20 47 992 0 2 038 Oil 0 004 <br /> EFFL 05/02/96 2,892 120 30 71 979 03 0 65 019 0 007 <br /> EFFL 06/06/96 3,676 61 27 6 4 975 01 4 8 1 4 0 026 <br /> EFFL 07/10/96 4 287 72 13 31 957 01 24 069 0 016 <br /> EFFL 07/30/96 4 586 104 210 50 938 1 9 55 16 0 051 <br /> EFFL 08!29!96 5,140 70 560 132 91 3 33 40 1 2 0 025 <br /> EFFL 09/06/96 5 237 86 260 61 930 1 9 29 083 0 022 <br /> TPPH =Total purgeable petroleum hydrocarbons <br /> scfm =Standard cubic feet per minute <br /> pglL =Micrograms per liter <br /> ppmv =Parts per million by volume <br /> lbs =Pounds <br /> . a SVE system started 1117195 and sampled,shutdown pending receipt of permit to operate <br /> Concentrations shown in ppmv are calculated from micrograms per liter <br /> See certified analytical reports for detection limits <br /> 3100405A13Q960PR XLSITABLE2 A-3 November 8 1996 <br />