Laserfiche WebLink
Table 1. Soil Vapor Extraction and Treatment System Influent Data <br /> ARCO Station 2093, Tracy, California <br /> Start-up dale: 1/4/96 <br /> Sample Average flow Days in Down day Percent Influent concentration,Pernv Removal rate,lbs/day Net removal,lbs&gallons <br /> dale Period rate,cfm period in period-operational TPI-/-G 8 TPH-G 13 TPH-G B <br /> 12/15/95 Source test -- -- 1200 57.0 70 0.5 lbs -- lbs <br /> 1/4/96 Startup 95 20 19.6 2% 1455 -- 52 -- 22 lbs -- lbs <br /> 1/26196 114196-1126196 95 22 0.1 99% 931 -- 33 -- 722 lbs -- lbs <br /> 2/26/96 1126/96-2/26196 75 31 22 31% 713 -- 20 -- 189 lbs -- lbs <br /> 3127/96 2/26196-3/27/96 75 30 30 2% 713 - 20 -- 9 lbs -- Ills; <br /> 4115/96 3127/96-4/15196 74 19 0 100% 605 -- 17 -- 317 lbs -- lbs <br /> 5/2/96 4115/96-512196 76 17 II 36% 584 -- 17 -- 103 lbs -- lbs <br /> 5115196 5/2/96-5/15/96 60 13 3 81% 582 -- 13 -- 137 lbs -- lbs <br /> 613/96 5/15/96-6/3/96 63 19 11 41% 482 -- 11 - 89 lbs - lbs <br /> 6121/96 5115196-6/21/96 70 37 35 25% 533 -- 14 -- 21 lbs lbs <br /> 7110/96 6121/96-7/10/96 65 37 32 26% 639 -- 16 -- 81 lbs lbs <br /> 8/12/96 7/10/96-8/12/96 68 52 50 13% 1000 -- 25 -- 60 lbs lbs <br /> 9116196 8/12/96-9/16/96 80 68 61 17% 702 -- 21 157 lbs. -- lbs <br /> 10/8/96 9116196-10/8/96 60 22 20 13% 486 -- 11 -- 21 lbs -- lbs <br /> 11/5/96 10/8/96-11/5/96 60 28 7 35% 92 -- 2 -- 43 lbs - lbs <br /> 12/20/96 11/5/96-12/20/96 63 45 37 32% 58 1 -- 11 lbs lbs <br /> 1/13/97 12/20/96-1/13/97 60 24 6 75% 23 1 -- 9 lbs -- lbs <br /> System shut off I/13/97 <br /> Totals and averages 12/20196-3/31/97 60 101 83 18% 23 1 -- 9 lbs - lbs <br /> for reporting period l gals - gals <br /> ........................................ ............................... ......................... ......................................................................................... ..................... ................... .................. ......................... ................................. <br /> Totals and averages 1/4/96-3131/97 71 484 343 29% 600 -- 17 0.0 1992 lbs -- Ills <br /> camr�lulive 321 gals -- gals <br /> =not measured <br /> Sample Calculations: <br /> Mass extraction rate calculation: <br /> lbs/day=(".r"ppm)*(I E-6)*(molecular weight Ib/lb-mol)*("y"cubic feettmin)* (24 hr/day)*(60 min/hr)*(lb-mol/380 cubic feet) <br /> where"x"is influent concentration in ppm and"y"is the flow rate in cubic fcet/min <br /> For pounds cumulative removal,the removal Ib/day result is multiplied by the number ol'duys between sampling events, <br /> Gallons removal calculation(for TPI-1): <br /> gallons removed=lbs* gallon/6.2 lbs <br /> (E:LARCO$MlworkcopyS61961V es2O93,Aw) <br />