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1 <br /> TABLE 3 <br /> TPH DESTRUCTION AND REMOVAL EFFICIENCY <br /> Montgomery Ward Auto Service Center <br /> 5400 Pacific Avenue, Stockton, CA <br /> Soil Vapor to Oxidizer Combustion Gases DRE Total <br />' Date Hours Flow TPH Flow TPH Removed <br /> scfm") ug/L lb/day(2) scfin(3) ug/L lb/day %(4) Ib(5) <br /> 10/07/99 3 281 1 14,450 36522 2811 305 7 71 9789 46 <br /> 12/21/99 415 2075 5,747 10723 2675 23 0 55 9948 4,101 <br /> 03/28/00 1771 213 1 408 7 82 321 1 ND 000 9999 7,351 <br /> 06/15/00 2835 193 2 96 167, 340 2 ND 000 100 7,561 <br /> i <br /> Notes <br />' (1) Calculated based on field data <br /> 2 TPH lb/day= flow scfm * TPH u L *10 b /u *1440 min/d *2 205*10 ' lb/g <br /> (3) Calculated based on field data <br /> (4) DRE % = (TPH lb/day - Combustion Gases TPH lb/day)/TPH lb/days'100 <br /> (5) Total Removed (Current lb/day+Previous Ib/day)/2/24 hr/day-'Current Hours <br /> ug/L - micrograms per liter <br /> scfin - standard cubic feet per minute (at 14 7 psia and 60 °F) <br />' lb/day- pounds per day <br /> DRE - destruction and removal efficiency <br />' 1232AQ 1RXLS <br />