Laserfiche WebLink
0 . <br /> Table 1 Soil Vapor Extraction and Treatment System Influent Data <br /> Stan-up date 114196 ARCO Station 2093, Tracy, California <br /> Sample IAverage flow Days in Down days Percent Influent concentration,ppmv Removal rate,lbs/day Net removal,lbs&gallons <br /> date Period rate,cfm veriod in period operational TPH-G B TPH-G B TPH-G I B <br /> 12/15/95 Source test -- -- -- 1200 570 70 05 -- lbs -- lbs <br /> 1/4/96 Startup 95 20 196 2% 145552 <br /> -- -- 22 lbs -- lbs <br /> 1/26196 1/4196-1/26196 95 22 01 99% 931 -- 33 722 lbs lbs <br /> 2/26196 1126196-2/26196 75 31 22 31% 713 -- 20 -- 189 lbs - lbs <br /> 3/27196 2126/96-3/27/96 75 30 30 2% 713 20 -- 9 lbs -- lbs <br /> 4/15/96 3127/96-4/15196 74 19 0 100% 605 17 317 lbs -- lbs <br /> 5/2/96 4115/96-5/2/96 76 17 11 36% 584 -- 17 - 103 lbs lbs <br /> 5115/96 512196-5115196 60 13 3 81% 582 -- 13 -- 137 lbs -- lbs <br /> 6/3196 5115/96-6/3/96 63 19 11 41% 482 -- II -- 89 lbs lbs <br /> 6121/96 5/15/96-6/21/96 70 37 35 8% 533 14 -- 21 lbs lbs <br /> 7110196 6/21/96-7110/96 65 37 32 28% 639 -- 16 -- 81 lbs -- lbs <br /> 8/12196 7/10/96-8/12/96 68 52 50 7% 1000 25 60 lbs -- lbs <br /> 9/16/96 8112/96-9/16/96 80 68 61 21% 702 -- 21 -- 157 lbs - lbs <br /> 10/8196 9116/96-1018/96 60 22 20 9% 486 II -- 21 lbs lbs <br /> 1115!96 10/8196-11/5/96 60 28 7 74% 92 2 -- 43 ibs -- lbs <br /> 12/20/96 11/5/96-12120196 63 45 37 18% 58 -- 1 11 lbs lbs <br /> 1/13197 12120196-1113/97 55 24 6 75% 23 1 9 lbs -- lbs <br /> System shut off 1/13/97-6118197 <br /> 6/18197 6/18/97-6/30/97 45 12 5 42% 370 6 -- 44 lbs -- lbs <br /> 7124197 6/30197-7/24/97 60 24 23 1% 202 5 -- 5 lbs -- lbs <br /> 8/28/97 7124/97-8/28/97 60 35 34 1% 196 -- 4 -- 4 lbs -- lbs <br /> 9110/97 8/28/97-9/30/97 60 33 31 1% 180 -- 4 -- 8 lbs -- lbs; <br /> 10/15/97 9130197-10/15197 65 15 15 0% 1804 -- 0 lbs -- lbs <br /> 11/17/97 10/15/97-11/17197 60 33 32 4% 115 - <br /> -- 3 -- 3 lbs -- lbs <br /> 12/31/97 11/17/97-12/31197 60 44 37 16% 115 -- 3 18 lbs - lbs <br /> Totals and averages 9/30/97-12131/97 62 92 84 9% 137 3 -- 21 lbs lbs <br /> for reporting period 3 gals -- gals <br /> Totals and averages 12/15/95-12/31/97 67 836 676 19% 506 15 -- 2073 lbs -- lbs <br /> cumulative 334 gals -- gals <br /> I <br /> --=Not available or not applicable <br /> Sample Calculations <br /> Mass extraction rate calculation <br /> lbs/day=("x"ppm)* (IE-6)*(molecular%~eight lb/]b-mol)* ("y'cubic teet/min)* (24 hr/da})*(60 mm/hr)*(]b-moi/380 cubic feet) <br /> where"x"is influent concentration in ppm and"y"is the flow rate in cubic feet/mm <br /> For pounds cumulative removal,the removal Ib/day result is multiplied by the number of days between sampling events <br /> Gallons removal calculation(for TPH) <br /> allons removed=lbs 11 allon/6 2 lbs <br />