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1 , ASE also collected a sample from the next vessel in series and placed it o n HOLD at the laboratory, as a back-up in case the sample being analyzed ' showed breakthrough All of these samples were analyzed by Kiff Analytical of Davis, California (FLAP #2236) for a full scan EPA Method 8260B which includes total petroleum hydrocarbons as gasoline (TPH-G), benzene, toluene, ethylbenzene, and xylenes (collectively known as BTEX), and the seven fuel oxygenates, and for TPH as diesel by EPA Method 8 015 ' At no time during this month's operation, did the effluent entering the sewer line contain any detectable concentrations of any of the compounds tested The effluent water sample analytical reports and chain of custody records are attached in Appendix B LnfZuent Water .SamRle ' On November 22, 2000, ASE collected an influent water sample (INF 1 1 - 22-00) This sample was analyzed by Kiff Analytical of Davis, California (ELAP #2236) for a full scan EPA Method 8260B and for TPH as diesel by EPA Method 8015 The analytical results for this sample are tabulated i n the Tables Section of this report as Table One The influent water sample analytical report and chain of custody record is attached in Appendix B M-anLhly Fuel Recovery Calculations The influent TPH-G concentration was used to calculate the estimated mass removed from the site during the month based on total gallons treated The Monthly Performance Log is presented as Table Two in t h e Tables Section of this report It shows that based on the number o f gallons extracted in the month of November 2000, and assuming a constant TPH-G concentration of 25,000 parts per billion in the influent water stream, the system recovered approximately 928 gallons o f gasoline from the groundwater beneath the site To date, it is estimated that nearly 17 gallons of gasoline has been removed from the subsurface III Frank's One Stop Remediation System Monthly Report — November 2000 -3 -