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ESTIMATION OF DISSOLVED TPH AS GASOLINE IN GROUND WATER REMAINING <br />' • Farmer Exxon Service Station No. 7-3330 <br /> 3128 West Benjamin Holt Drive <br /> Stockton, California <br /> Assumptions: <br /> 1) Calculations based on Quarterly Ground Water Monitoring Report, Second Quarter 1996. <br /> 2) Calculations based on volume illustrated in Figure 14 with concentration of <50 parts per billion. <br /> (A) Laver 1 <br /> (1) _ (60) (30) (4) (40) 7.48 gallons 8.34 lbs (<50 ppb <br /> 1 ft 3 1 gallon 1X109 <br /> <0.028 lbs <br /> (B) Laver 2 <br />' • (1) = (n (45) (20) (4) (.40)) 7.48 gallons 8.34 lbs <50 ppb <br /> 1 ft3 1 gallon 1X109 <br /> - <0.014 lbs <br /> (C) Laver 3 <br /> (1) = (ir (30) (10) (4) (.40)) 7.48 gallons ll(8. lbs <50 ppb 1 allon jxj p <br /> <0.0047 lbs <br /> Estimated Total TPH as gasoline in Ground Water <br /> — <0.028 lbs + <0.014 lbs + <0.0047 lbs = <br /> _ <0.047 lbs TPH as gasoline <br /> 0.047 lbs l 1 gallon l _ <0.008 gallons <br /> t 0 ` 6.1 lbs J <br /> RPTaai.sio <br />