Laserfiche WebLink
• s 1 0 , I <br /> Table 4 Summary of Soil Vapor Extrai.tion and Ireatment System Data,ARCO Station 434, 1 odi,California <br /> Start-up date. 6/3/91 <br /> 5amplt Averagt,flow Days in Down days lierl.em Influent wncentration,p my(a) Rt.moval ral(., lbs/day Net removal lbs&gallons <br /> date Period rate,efm period in nod operational I Pl I 13 PH B 1141-G 1I <br /> rotals and averages <br /> for reporting period 9/8F)3 12!7193 98 90 7 92/0 332 0 12 0 950 lbs 1 INS <br /> 153 gals 0 g ifs <br /> totals and averages 613191 12!7193 102 918 50 9510 1740 9 67 0 48980 lbs 79 lbs, <br /> cumulative 7900 gals 13 gals <br /> Sumple cakulutions <br /> Removal ra(a,calculation <br /> lbs/day=( x pg/L)*(gram/1,000,000µg)*(lb/453 6 gram)*("y cubic fcet/mm)* (1440 mm/day)*(28 31 Ucubic lcet) <br /> where, x is influent concentralion and y is average flow r tte efm <br /> I-or pounds cumulative removal we used the removal lb/day result and multiplied it by the difference in the number of days between the current and previous sampling event <br /> Gallons removal calculation(for 11'11) <br /> gallons removed=lbs*gallon/6 2 lbs <br /> (a)From start-up through June 1992 influent samplt s were tint taken because there was no sample tap on Ilse inlet to the catalytic oxidizer <br /> Therefore,the influent concentrations(in parts per million by volume)are an estimate <br /> I <br /> i <br />