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STATE OF CALIFORNIA-Environmental Protection Agee,_, PETE WILSON Governor <br /> I <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION ya <br /> 3443 Routier Road,Sufte A <br /> Sacramento,CA 95827-3098 <br /> PHONE:(916)255-3000 <br /> FAX:(915)255-3015 <br /> 18 August 1995 <br /> Mr. Terry Lau <br /> Western Division, Naval Facilities Engineering Command <br /> Environmental Compliance Group 2, Code 09EC2TL <br /> 900 Commodore Drive <br /> San Bruno, CA 94066-2402 <br /> APPROVAL OF THE REMEDIAL INVESTIGATION WORK PLAN FOR UNDERGROUND <br /> STORAGE TANK SITES, NAVAL COMMUNICATION STATION IN STOCKTON, SAN <br /> JOAQUIN COUNTY <br /> The Department of Toxics Substances Control (DTSC) and the Board have reviewed the U.S. Navy's 3 <br /> August 1995 letter, the July 1995 Remedial Investigation Work Plan for the Former Underground <br /> Storage Tanks at the Naval Communication Station, Stockton, and ERM-West's responses to DTSC's <br /> and the Board's comments on the May 1995 draft work plan. ERM-West's responses, which have been <br /> incorporated in the July 1995 work plan, adequately address DTSC's and the Board's comments except <br /> with regards to the constituents which will be included in the waste extraction test (WET). <br /> During my discussion on 16 August 1995 with Mr. Bill Spong of ERM-West, he stated that at a <br /> minimum, the WET will include cadmium, chromium, nickel, and zinc for sites which stored waste oil. <br /> He also said that sites which stored only fuel products, the WET will be conducted for lead only. <br /> Therefore, based on ERM-West's adequate responses on the comments and clarification of the <br /> constituents to be analyzed in the WET, the work plan is hereby approved. <br /> Please inform me at least 48 hours prior to initiation of field work so that I may be present to observe <br /> and/or split samples. If you have any question, you may call me at (916) 255-3049. <br /> PHILU S. Is( RENA <br /> Associate Engineer <br /> PSI:ms <br /> cc: Ms. Hortensia Muniz, Department of Toxics Substances Control, Sacramento <br /> Ms. Diane Hinson, San Joaquin Public Health Services, Stockton <br /> Mr. Brad Beeman, Naval Communication Station, Stockton <br /> Mr. William A. Spong, ERM-West, Inc., Sacramento <br />