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Pa e2of9 <br /> Table A- 9 <br /> Soil Vapor Extraction System Performance Data <br /> ARCO Service Station#2093 <br /> 3425 Tracy Boulevard,Tracy,California <br /> TPH s Gasoline Benzene <br /> FIQ Influent Influent <br /> Hour Meter Blower Average Conoen- Removal Net Removed Concen- Removal Net Removed <br /> Sample Date Reading Vacuum Flow Rate Influent Effluent tration Rate Removed to Date tration Rate Removed to Date <br /> ID Sampled (hours) ("H2O) (scfm) (ppmv) (ppmv) (ppmv) (lbs/day) (pounds) (pounds) (ppmv) (lbslday) (pounds) (pounds) <br /> INFL 12/31197 7,847 a 40 65 180 95 180 47 362 2,748 - - -- - <br /> INFL 05128/98 7,847 60 40 4,000 0 390 62 00 2,748 180 02 00 0 <br /> INFL 06/11/98 8,143 50 105 650 30 650 273 2068 2,955 - 06 so so <br /> INFL 07/08198 8,444 b - - - - -- 00 00 2,955 - 00 00 so <br /> INFL 10(12198 8,444 50 65 600 0 148 04 1741 3,129 02 00 37 88 <br /> INFL 11/09/98 8,499 50 29 1,890 382 93 7 1 1 12 3,131 ND 00 00 88 <br /> INFL 12121198 8,690 40 29 0 0 143 17 106 3,141 ND 00 00 88 <br /> INFL 02/02199 8,881 40 27 30 2 169 02 101 3,151 04 00 00 Be <br /> INFL 03/23199 10,059 55 40 100 5 495 08 706 3,222 N D 00 00 88 <br /> INFL 04115199 10,609 45 50 190 10 399 08 353 3,257 02 00 023 91 <br /> INFL 05120199 11,447 55 60 90 6 505 12 580 3,315 01 00 005 91 <br /> INFL 06/21/99 11,906 50 75 30 3 13 04 321 3,347 01 00 012 92 <br /> INFL 07/27/99 11,979 55 75 74 5 50 Is 301 3,377 NO 00 002 92 <br /> INFL 08/18/99 12,510 60 90 10 0 192 07 136 3,391 ND 00 002 93 <br /> INFL 09121199 13,158 60 70 5 0 303 01 389 3,430 NO 00 000 93 <br /> INFL 10/05/99 13,492 60 75 15 0 16 05 240 3,454 ND 00 000 93 <br /> INFL 11/08199 14,072 60 70 4 0 ND 00 16 3,456 NO 00 000 93 <br /> INFL 12/15199 14,957 60 72 5 0 158 05 286 3,484 ND 00 0 00 93 <br /> REPORTING PERIOD: 1015199 to 1x116199 <br /> TOTAL POUNDS REMOVED: 3,484.2 9.3 <br /> TOTAL OALLONS REMOVED., 4T1.2 1.4 <br /> PERIOD POUNDS REMOVED. 5416 0.00 <br /> PERIOD GALLONS REMOVED: 2j 010 <br /> PERIOD AVG FLOW RATE: 72 <br /> PERIOD PERCENT OPERATIONAL, 86'� <br /> scfm =Standard cubic feet per minute NS=Not sampled <br /> lbs =Pounds a Prior to April 1996 all data was collected and reproted by Brown and Caldwell <br /> =Not available or not applicable b SVE system left off on 718198 <br /> NO =Non-detectable above detection limit <br /> ppmv =Parts per million by volume <br /> TPH =Total petroleum hydrocarbons Density of benzene=7 34 pounds per gallon <br /> Density of gasoline=61 pounds per gallon <br /> 1 <br /> 077 41728 0070&M Tables)ds/TABLE 1 1/13/2000 <br />