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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) (pg/L) (ppmv) (lbs/day) <br /> EFFL 01/17/96 a 1,984 47 63 15 99 2 026 38 11 0 016 <br /> EFFL 02!12196 1,986 51 43 10 98 9 019 37 1 1 0017 <br /> EFFL 03/13/96 2,284 72 34 80 984 021 075 022 0 005 <br /> EFFL 04/09/96 2,568 103 20 47 99 2 018 038 Oil 0 004 <br /> EFFL 05/02/96 2 892 120 30 71 979 031 065 019 0 007 <br /> EFFL 06/06/96 3,676 fit 27 64 975 014 48 14 0 026 <br /> EFFL 07/10/96 4,287 72 13 31 957 008 24 07 0 016 <br /> EFFL 07/30/96 4,586 104 210 50 938 1 86 55 16 0 051 <br /> EFFL 08/29/96 5,140 70 560 132 91 3 334 40 1 2 0 025 <br /> EFFL 09/06/96 5 237 86 260 61 930 1 90 29 083 0 022 <br /> EFFL 10/03/96 5,710 75 150 35 905 096 5 3 1 5 0 036 <br /> EFFL 10/23/96 6 100 80 680 161 91 3 463 10 29 0 072 <br /> EFFL 11/06/96 6,303 80 360 85 930 2 45 63 18 0 045 <br /> TPPH =Total purgeable petroleum hydrocarbons <br />. scfm =Standard cubic feet per minute <br /> pg/L =Micrograms per liter <br /> ppmv =Parts per million by volume <br /> lbs =Pounds <br /> a SVE system started 1/17196 and sampled,shut down 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 />• <br /> 3100406A14Q96QPR XLS A-3 February 4, 1997 <br />