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Mr. Hal Miller <br /> April 7, 1989 <br /> Page 3 <br /> CARBON CANISTER REPLACEMENT <br /> DATE 'TIME NUMBER REPLACED <br /> 2/17/89 11:30 am 2 <br /> 3/17/89 11:00 am 2 <br /> a = cubic feet per minute <br /> b = pounds per day <br /> c = parts per million <br /> d = Thermal Environmental Instruments, Inc. <br /> ATM = atmosphere <br /> The total nonmethane hydrocarbon emissions rate at this site <br /> during the month of March, 1989 was X0.00002 lbs/day, which did <br /> not exceed the permit maximum of 4.7 lbs/day. The soil vapor <br /> extraction system has been scheduled for weekly monitoring in the <br /> future. <br /> The monitoring data from the Soil Vapor Extraction System was <br /> used to calculate the potential total nonmethane hydrocarbon <br /> emissions to the atmosphere from this system if the carbon <br /> adsorption treatment system were not in use (see enclosed <br /> conversion calculation) . <br /> DATE BLOWER EFFLUENT POTENTIAL TOTAL NONMETHANE <br /> CONCENTRATIONS HYDROCARBON EMISSION RATE <br /> (ppm) (lbs/day) <br /> 03/9/89 23 1,41 <br /> 3/17/89 4 0.24 <br /> 03/22/89 20.3 1.24 <br /> 03/28/89 3 0.18 <br /> GWOUNDWATCR <br /> TECH,NOLA SY.I\C. <br /> j <br />