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r <br /> r <br /> TABLE 3 <br /> TPH DESTRUCTION AND REMOVAL EFFICIENCY <br /> Montgomery Ward Auto Service Center <br /> 5400 Pacific Avenue, Stockton, CA <br /> r <br /> Soil Vapor to Oxidizer Combustion Gases DRE Total <br /> Date Hours Flow TPH Flow TPH Removed <br /> sarn", ug/L lb/day(2) scfm(3) ug/L lb/day %(4) lb(5) <br /> 10/07/99 3 281 1 14,450 36522 2811 305 771 97 89 46 <br /> 12/21/99 415 2075 5,747 10723 2675 23 055 9948 4,101 <br /> 03/28/00 1771 19521 408 7 16 27001 ND 0001 99991 7,333 <br />' Notes <br /> (1) Calculated based on field data <br />' (2) TPH lb/day= flow scfm * TPH ug/L *10-6(g/ug)*1440 (min/d)*2 205*10-3 (lb/g) <br /> (3) Calculated based on field data <br />' (4) DRE %= (TPH lb/day - Combustion Gases TPH lb/day)/TPH lb/day*100 <br /> (5) Total Removed(Current lb/day+Previous lb/day)/2/24 hr/day*Current Hours <br /> ug/L- micrograms per liter <br /> scfm - standard cubic feet per minute (at 14 7 psis and 60 OF) <br /> lb/day - pounds per day <br /> DRE - destruction and removal efficiency <br /> i <br /> r <br /> r <br />' 1232 AQIRXL5 <br />