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STATE OF CALIFORNIA - Environmental <br />CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br />CENTRAL'VALLEY REGION <br />3443 Router Road, SuRe A <br />Sacramento, CA 95827-3098 <br />PHONE: (916) 255-3000 <br />FAX: (916) 255.3015 <br />Mr. John Guzman, P.E. <br />Defense Distribution Region West <br />Environmental Protection Office <br />P.O. Box 960001 <br />Stockton, CA 95296-0250 <br />31 <br />PETE WILSON, Govemor <br />16 October 1995 <br />TECHNICAL MEMORANDUM UST SITES S, 12, 1 S, 17, 18, 34, AND 73, SITE REMEDIATION <br />AT SITE 55/49, AND REQUEST FOR CLOSURE UST 63, DEFENSE DISTRIBUTION REGION <br />WEST - SHARPE FACILITY, SAN JOAQUIN COUNTY <br />The Technical Memorandum for UST Sites 5, 12, 15, 17, 18, 34, and 73, submitted 29 September 1995 <br />by Montgomery Watson, the Final Report for Remediation at Site 55/49 submitted 23 February 1995 by <br />CKY, Inc. Environmental Services, and the Final Report and Request for Closure Underground Waste <br />Oil Tank & Related Fixtures submitted 25 September 1995 by Wm. J. Hunter & Associates have been <br />reviewed for the DDRW - Sharpe facility. <br />In general, the underground tank investigation process as detailed in the Tri -Regional <br />Recommendations, expects Sharpe to determine whether soil only is impacted or if ground water also <br />must be investigated at each of its underground tank sites. If a soil only case is indicated, the extent of <br />contamination is to be completely defined, and contaminated soil is to be removed and/or treated so that <br />residual contamination cannot impact ground water. If ground water is found to be impacted Sharpe <br />needs to define the problem area and propose remedial measures. <br />A table has been prepared to summarize the data presented in the aforementioned documents and <br />provide recommendations for further actions for each site based in this process. A work plan with <br />proposals for additional actions at each of these sites should be submitted by 15 December 1995. <br />If you have any questions please call me at (916) 255-3051. <br />CORI CONDON <br />Associate Engineering Geologist <br />cc: Mr. Robert McClellon,. San Joaquin County Environmental Health <br />Ms. Tracie Billington, Department of Toxic Substances Control, Sacramento <br />Mr. Marlon Mezquita, U. S. EPA, Region 9, San Francisco <br />Mr. Steve Light, USAEDH, Huntsville, Alabama <br />