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I . 0 <br /> 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 in period operational TPH-G B TPH-G I B TPH-G B <br /> 7/24191 100 51 0 100% 3000 NA 115 NA 5860 ibs NA lbs <br /> 7125/91 100 1 0 100% 3000 NA 115 NA 115 lbs NA lbs <br /> 7/29191 100 4 0 100% 3000 NA 115 NA 460 lbs NA lbs <br /> 8/2/91 100 4 0 100% 3000 NA 115 NA 460 lbs NA lbs <br /> 816/91 100 4 0 100% 3000 NA 115 NA 460 lbs NA lbs <br /> 8/8/91 100 2 0 100% 3000 NA 115 NA 230 lbs NA lbs <br /> 8/13/91 100 5 0 100% 3000 NA 115 NA 575 lbs NA lbs <br /> 8/14/91 100 1 0 100% 3000 NA 115 NA 115 lbs NA lbs <br /> 8119191 100 5 0 100% 3000 NA 115 NA 575 lbs NA lbs <br /> 8121/91 100 2 0 100% 3000 NA 115 NA 230 lbs NA lbs <br /> 915/91 8121/91-9/5/91 100 15 0 100% 3000 NA 115 NA 1724 lbs NA lbs <br /> 10/7/91 9/5/91-1017191 100 32 0 100% 3000 NA 115 NA 3677 lbs NA lbs <br /> 1113/91 10/7191-11/3191 100 27 0 100% 3000 NA 115 NA 3102 lbs NA lbs <br /> 12/18/91 11/3/91-12/18/91 100 45 0 100% 3000 NA 115 NA 5171 lbs NA lbs <br /> 1/6/92 12/18192-1/6192 100 19 0 100% 3000 NA 115 NA 2183 lbs NA lbs <br /> 2/3192 116/92-213192 100 28 0 100% 3000 NA 115 NA 3217 lbs NA lbs <br /> 314192 2/3/92-314/92 100 30 0 100% 3000 NA 115 NA 3447 lbs NA lbs <br /> 4/28192 314192-4128/92 100 55 0 100% 1300 NA 50 NA 2738 lbs NA lbs <br /> 7/14/92 4/28192-7/14192 100 77 0 100% 1828 NA 70 NA 5391 Ibs NA lbs <br /> 8/18/92 7/14/92-8/18192 100 35 1 97% 1251 NA 48 NA 1629 lbs NA lbs <br /> 9/21/92 8118192-9/21192 110 34 0 100% 1058 41 43 2 1479 lbs 57 lbs <br /> 10/7/92 9/21/92-1017192 115 16 0 100% 746 24 32 1 513 Ibs 17 lbs <br /> 11/11/92 10/7/92-11/11192 105 35 0 100% 601 18 24 1 826 lbs 25 Ibs <br /> 12/14/92 11111192-12114192 105 33 10 70% 433 7 17 0 391 lbs 7 Ibs <br /> 115/93 12114/92-115/93 104 22 0 100% 87 8 3 0 74 lbs 7 lbs <br /> 2110/93 1/5/93-2/10193 100 36 4 89% 505 13 19 0 604 lbs 15 Ibs <br /> 311193 2110193-3/1/93 100 19 0 100% 601 14 22 1 427 lbs l0 lbs <br /> 4/5/93 3/1193-415193 100 35 7 80% 433 6 16 0 453 lbs 7 lbs <br /> 5110193 4/5193-5110193 101 35 7 80% 433 6 16 0 457 Ibs 7 lbs <br /> 6/2/93 5/10/93-612193 110 23 14 39% 265 2 11 0 98 lbs 1 Ibs <br /> 7/7/93 6/2/93-7/7193 110 35 0 100% 337 0 14 0 484 Ibs 0 lbs <br /> 8/9/93 7/7/93-819193 100 33 0 100% 289 0 11 0 356 Ibs 0 lbs <br /> 9/8193 819193-9/8/93 100 30 0 100% 466 1 17 0 512 lbs 1 lbs <br /> 10/4/93 9/8193-10/4/93 100 26 3 88% 601 0 22 0 517 lbs 0 lbs <br /> !1/1/93 10/4/93-11/1/93 100 28 0 100% 166 0 6 0 174 lbs 1 lbs <br /> 12/7/93 1t/l/93-1217/93 95 36 4 89% 229 0 8 0 260 lbs 0 lbs <br /> 1/4/94 1217193-114194 85 28 2 93% 176 0 6 0 145 Ibs 0 lbs <br /> 3/8194 114/94-3/8/94 69 63 6 90% 99 0.14 3 0 145 Ibs 0 lbs <br /> 4/12/94 3/8/94-4/12194 68 35 3 91% 280 <0.016 7 0 228 Ibs 0 lbs <br /> 5/2194 4/12/94-512194 61 20 0 100% 280 10.016 6 0 128 Ibs 0 Ibs <br />