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STATE OF CALIFORNIA GEORGE DEUKMEJIAN,Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION _m <br /> 3443 ROUTIER ROAD <br /> SACRAMENTO,CA 95827-3098 <br /> 27 March 1990 <br /> Ms. Jeanne M. Zolezzi <br /> Neumiller and Beardslee <br /> P.O. Drawer 20 <br /> Stockton, CA 95201-9978 <br /> LINCOLN VILLAGE PHASE II SAMPLING PLAN, STOCKTON, SAN JOAQUIN COIINTY (CASE <br /> NO. 3002) <br /> We have reviewed your revised Phase II Sampling Plan for Lincoln Village Center <br /> dated 8 February 1990. The Sampling Plan has improved but is still not <br /> sufficient and should be revised to address all our comments detailed in the <br /> enclosed memorandum, our letter dated 21 December 1989 and summarized as follows: <br /> 1 . Monthly water level contour maps must be included in the Sampling Plan. <br /> 2. Water samples should be analyzed for EPA 601 compounds not just PCE. Even <br /> though we agree that PCE is the focus of the ground water investigation, <br /> monitoring for PCE breakdown products is useful . <br /> 3. The rationale for placement of the proposed monitoring wells. <br /> 4. The plan should address evaluation and sampling of LVMD well Nos. 1 , 2 and <br /> 6. <br /> S. A plan to define off-site pollution across Gettysburg Place and around MW-4 <br /> should be included. <br /> You are required to submit a revised Sampling Plan by 13 April 1990. If we could <br /> be of assistance, please me at (916) 361-5670 or Richard McHenry at (916) <br /> 361-5656. <br /> 6V�� <br /> ANORSTER <br /> Senior Engineer <br /> RPM:ej <br /> Enclosure <br /> cc: ZM[�. Ron Valinoti , San Joaquin County Public Health Services, Stockton <br /> Mr. Gerry Nakano, Leedshill-Herkenhoff, Inc. , San Francisco <br /> Mr. Wilbur H. Smith, Lincoln Properties Limited, Stockton <br />