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Table 4 Summary of Soil 'Vapor Extraction and Treatment System Data,ARCO Station 434,Lodi, California <br /> Start-up date 613/91 <br /> Sample Average flow Days in Down days Percent Influent concentration ppmv(a) Removal rate, lbs/day Net removal lbs&gallons <br /> date Period rate,cfm period to period operational TPH B TPH B 1 PI I-G B <br /> 7/24/91 100 51 0 10090 3000 NA 115 NA 5860 Ibs NA lbs <br /> 7125/91 100 1 0 100% 3000 NA 115 NA 115 lbs NA lbs <br /> 7129/91 100 4 0 100% 3000 NA 115 NA 460 lbs NA lbs <br /> 8/2191 100 4 0 100% 3000 NA 115 NA 460 lbs NA lbs <br /> 8/6191 100 4 0 100% 3000 NA 115 NA 460 lbs NA lbs <br /> 818/91 100 2 0 10D% 3000 NA 115 NA 230 lbs NA lbs <br /> 8113/91 100 5 0 100% 3000 NA 115 NA 575 Ibs NA lbs <br /> 8/141'91 100 1 0 100% 3000 NA 115 NA 115 Ibs NA lbs <br /> 8/19/91 100 5 0 100% 3000 NA 115 NA 575 lbs NA Ibs <br /> 8/21/91 100 2 0 10090 3000 NA 115 NA 230 lbs NA lbs <br /> 9/5191 8/21/91-915/91 100 15 0 100% 3000 NA 115 NA 1724 lbs NA Ibs <br /> 1017191 9/5/91-10!7191 100 32 0 100% 3000 NA 115 NA 3677 lbs NA lbs <br /> 11/3/91 101JI91-1113/91 100 27 0 100% 3000 NA 115 NA 3102 lbs NA lbs <br /> 12/18/91 1113/91-12118/91 100 45 0 100% 3000 NA 115 NA 5171 Ibs NA lbs <br /> 116192 12118192-1/6192 100 19 0 100% 3000 NA 115 NA 2183 lbs NA lbs <br /> 2/3192 116/92-2/3/92 100 28 0 100% 3000 NA 115 NA 3217 lbs NA Ibs <br /> 314/92 213/92 3/4/92 100 30 0 100% 3000 NA 115 NA 3447 lbs NA lbs <br /> 4/28192 314/92 4/28/92 100 55 0 100% 1300 NA 50 NA 2738 lbs NA lbs <br /> 7114192 4/28/92-7/14192 100 77 0 100% 1828 NA 70 NA 5391 lbs NA lbs <br /> 8/18192 7114192-8118/92 100 35 1 9790 1251 NA 48 NA 1629 lbs NA lbs <br /> 9/21192 8/18/92-9121/92 110 34 0 100% 1058 41 43 2 1479 lbs 57 Ibs <br /> 1017192 9/21192-10/7/92 115 16 0 100`90 746 24 32 1 513 lbs 17 lbs <br /> 11/11/92 1017192-11/11/92 105 35 0 100% 601 18 24 1 826 lbs 25 Ibs <br /> 12/14/92 11/11/92-12/14/92 105 33 10 70% 433 7 17 0 391 Ibs 7 lbs <br /> 1/5/93 12/14/92-115193 104 22 0 100% 87 8 3 0 74 lbs 7 Ibs <br /> 2/10/93 115193-2110193 100 36 4 8970 505 13 19 0 604 Ibs 15 lbs <br /> 311193 2/10193-311193 100 19 0 10070 601 14 22 1 427 lbs 10 Ibs <br /> 415193 3/1/93-4/5/93 100 35 7 80% 433 6 16 0 453 lbs 7 Ibs <br /> 5110193 4/5193-5/10/93 101 35 7 80% 433 6 16 0 457 Ibs 7 lbs <br /> 612193 5/10/93-6/2!93 110 23 14 39% 265 2 11 0 98 Ibs I lbs <br /> 717/93 612193-7!1193 110 35 0 10070 337 0 14 0 484 lbs 0 lbs <br /> 8/9/93 717/93-819/93 100 33 0 100% 289 0 11 0 356 lbs 0 lbs <br /> 918193 819193-918193 100 30 0 100% 466 1 17 0 512 lbs 1 lbs <br /> 1014/93 9/8/93-1014/93 100 26 3 88% 601 0 22 0 517 Ibs 0 lbs <br /> 11/1193 1014/93-11/1/93 100 28 0 100% 166 0 6 0 174 lbs 1 lbs <br /> 12/7/93 11/1/93-12/7/93 95 36 4 89% 229 0 8 0 260 lbs 0 Ibs <br /> 114/94 12/7/93-1/4/94 85 28 2 93% 176 0 6 0 145 Ibs 0 lbs <br /> 318194 114194-318194 69 63 6 90% 99 014 3 0 145 lbs 0 Ibs <br /> 4/12/94 3/8/94-4/12/94 68 35 3 91% 280 <0 016 7 0 228 lbs 0 lbs <br /> h 1 <br />