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Bill Keller <br /> October 15, 1990 <br /> Page 2 <br /> -analytical results of groundwater or. soil sampling; <br /> and <br /> -a site map showing the "zero line" of <br /> contamination, if known, and changes in the above <br /> measurements over the last quarter. <br /> When investigation schedules and report preparations overlap, the <br /> quarterly monitoring data may be submitted as a 'letter to the <br /> regulating agencies. <br /> We will expect the quarterly monitoring report tol commence upon <br /> your receipt of this letter. The report will be due into our <br /> office and Central Valley Regional Water Quality ; Control Board <br /> (CVRWQCB) no later than February 15, 1991 for the, period of <br /> October, 1990 through January, 1991. <br /> The comments identified in this letter shall be addressed in an j <br /> addendum to the January 24, 1990 Problem Assessment Report. <br /> If you have any questions contact Diane Hinson, Supervising REHS, <br />! at (209) 468-3452 . <br /> Jogi Khanna, M.D. , M.P.H. <br /> Health icer <br /> curie A. Cotulla, REHS, Program,Manager <br /> Environmental Health Division <br /> { <br /> LAC/DH:nr ! <br /> c: WaterWorks - Bill Channell <br /> c: CVRWQCB - G. L. Boggs <br /> I <br /> i <br /> I <br /> `I <br /> i <br />