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3 SECTION C3, ANALYSIS <br /> See attach Kiff Laboratory Analysis Primary pumping at this site will be from RW1A, which <br /> during the August 21, 2001 sampling was found to contain the following concentrations <br /> TPHg Benzene Toluene Ethylbenzene Xylenes 1MTBE <br /> 58m 1 45rn 1 l6m 2 0 To 120m /1 023m <br /> 4 SECTION C4, DISCHARGE CALCULATIONS <br /> In order to calculate daily discharge it is necessary to convert mg/1 to pounds per gallon <br /> lmg/I = 1mg/1 * Ig/1000mg * 1 lb/453 59 mg * 3 785 liter/ 1 gallon <br /> lmg/I = 8 34 E-6 lb/gallon <br /> The average pump rate during the de-watering phase should be about 10 gpm or 14400 gallons <br /> per day <br /> The carbon will be changed out before the percentage reduction falls below 90 percent, <br /> therefore,the concentration and mass discharged«-ill not exceeded 10 percent of the total influent <br /> Compound mg/1 lb/gallon Lb/day Lb/day Max <br /> =mg/1*8 34E- influent Discharge to concentration <br /> 6 carbon sewer to be <br /> at 10 gpm= discharged to <br /> 14400 gallons sewer <br /> TPHg 580 48 37E-5 697 0 697 58 <br /> Benzene 45 3 7513-5 054 0 054 045 <br /> Toluene 1 6 1 33E-5 0 19 0 019 0 16 <br /> Eth lbenzene 20 1 67E-5 024 0 024 02 <br /> X lenes 120 10 OOE-5 144 0 144 1 20 <br /> MTBE 023 0 19E-5 0 027 0 003 0 023 <br /> Total 2033 16 95E-5 244 0 244 201 <br /> Com ounds <br /> 5 SECTION C5, POLLUTION CONTROL <br /> The underground storage tanks and product dispensers at this site have been removed, therefore <br /> the primary source of contamination is gone The intent of this project is to facilitate the removal <br /> of a major portion of the soil contamination thereby removing the secondary source of <br /> groundwater contamination <br /> • 4 <br /> PART C PUMPING PLAN <br /> 1875 COUNTRY CLUB BLVD <br />