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Mr. Ronald Valinotti <br /> June 17 , 1988 <br /> Page 2 <br /> is to preclude introduction of contaminants into the <br /> ground water.. <br /> o A minimum of one ground water sample per monitoring well <br /> will be analyzed for purgeable aromatics. Test methods <br /> will include EPA Method 602 and total petroleum hydro- <br /> carbons by GC-FID. Ethylene dibromide and organic lead <br /> will be added to the analysis plan ' if detected .in the soil <br /> samples. <br /> Upon receipt of your approval, the District will implement the <br /> plan. Should you have any questions regarding the material <br /> presented, please call James McCarthy at (415) 465-3700, exten- <br /> sion 121 . <br /> Sincerely, <br /> g;-,­WALTER J. BISHOP <br /> Manager of Wastewater <br /> WJB:CDH:wpc SC8 .235/98 <br /> Enclosure <br /> 4 i <br />