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3164 Gold Camp Drive <br /> Delta Suite 200 <br /> �+ Rancho Cordova,CA 95670 <br /> j . Environmental 916/638-2085 <br /> Consultants,Inc. FAX:916/638-8385 <br /> i <br /> April 11, 1996 <br /> j - <br /> Mr. Kenneth Earnest <br /> Ultramar Inc. l <br /> 525 West Third Street <br /> j Hanford, California 93230 <br /> Subject: Well Destruction Report <br /> Beacon Station No. 502 <br /> I 35 North Cherokee Lane <br /> M Lodi, California <br /> 'Delta Project No. D093-907 <br /> Dear Mr. Earnest: <br /> Delta Environmental Consultants,Inc. (Delta), was authorized liy Ultramar Inc. to destroy monitoring <br /> wells MW-1 through MW-5 at the above-referenced site(Figure 1). The locations of the monitoring <br /> wells and other site features are illustrated in Figure 2. Destruction of the wells was required in the <br /> letter from San Joaquin County Environmental Health Department(County), dated February 6, 1996, , <br /> as the final requirement for regulatory closure of the site. A copy of the County's letter is included <br /> in Enclosure A. <br /> i' The wells were destroyed on March 18 and 19, 1996, by overdrilling and grouting with neat cement <br /> grout, in accordance with Delta's work plan dated, March 4. 1996. The well destructions were <br /> conducted under the inspection of Mr. Harlan Knoll representing the County. A copy of the well <br /> destruction permit issued by the County is included in Enclosure B. <br /> We recommend that you forward copies of this letter to: <br /> Mr. Harlin Knoll Mr. James Maughan <br /> Environmental Health Division California Regional Water Quality <br /> Public Health Services Control Board, Central Valley Region <br /> San Joaquin County 3443 Routier Road <br /> 1601 East Hazelton Avenue Sacramento!!,_California 95827 <br /> Stockton, California 95201 <br /> i <br /> Remarks/Signatures <br /> The interpretations contained in this report represent our professional opinions, and are based in part, <br /> on information supplied by the client. These opinions are based on currently available information <br /> and are arrived at in the accordance with currently accepted hydrogeological and engineering practices <br /> at this time and location. Other than this, no warranty is implied or intended. <br /> Providing a Competitive Edge <br /> J; 1 <br />