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1NITr H Exl_Tit <br /> ///APEX 95 Grp' 'S } <br /> C. pii [. 844 Madison Avenue,Suite 106 • fair Oaks,CA 95628 <br /> E N,V I R 0 T E C H , I N C . 1810.242.5249 • Ph.916.535.0200 • Fax 916.535.0201 <br /> December 22, 1995 <br /> Mr. Julian C. Isham <br /> Geology Manager <br /> Emcon Associates <br /> 1433 North Market Blvd. <br /> Sacramento, California 95834-1943 <br /> Subject- Missing Data <br /> Moore Petroleum, Frank's Exxon 99 (Frontage Road Exxon) <br /> 14800 W. Frontage Road, Manteca, California <br /> Dear Mr. Isham: ; <br /> Apex Envirotech, Ine=(Apex)'on behalf of Moore Petroleum Inc. (Moore), is requesting <br /> historical information'froin Eznton for the above referenced site. San Joaquin County <br /> Environmental Health-Division (County)is'requesting this historical information prior to <br /> granting us Site Closure. The information that is requested is for the operating data of the <br /> groundwater and vapor extraction systems. A copy of San Joaquin County's letter, dated <br /> November 14, 1995, is attached. <br /> Groundwater treatment system operating data requested is from March 27 through June <br /> 15, 1995 (roughly). This data should include the following: <br /> _— — . _ ti �_.=.•. _- -.Total flow(in-gallons) <br /> • Temperature, pH, and conductivity.readings <br /> • Monthly analytical results for system sampling <br /> Vapor extraction system operating data requested is from February 21 through June 15, <br /> 1995 (roughly. This data should include the following: � <br /> • System hour meter readings <br /> • Differential pressure readings v <br /> • Flow temiperature ., , > ,• . :: <br /> .. ;-•'. Engine R.P.M.'s t <br /> • Influent and effluent FID or PID readings <br /> • Analytical results <br /> • I <br />