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OGDEN ENVIRONMENTAL <br /> SERVICES, INC. <br /> POST OFFICE BOX 85178 3550 GENERAL ATOMICS COURT <br /> SAN DIEGO. CALIFORNIA 92186-5178 SAN DIEGO, CALIFORNIA 92121 a e- sc •r <br /> TEL (619)455-3045 FAX (619)455-4351 <br /> November 29, 1990 <br /> OPS:LJH:138.90 <br /> Mr. Robert Evans <br /> California Regional Water <br /> Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road <br /> Sacramento, California 95827-3098 <br /> Subject: October Groundwater Monitoring Report <br /> Dear Mr. Evans: <br /> The October groundwater monitoring results are enclosed for the Ogden <br /> Environmental Services, Inc. (DES) Stockton Soil Treatment Facility. This is <br /> the third of three monthly reports covering the first quarter of operations as <br /> identified in the groundwater monitoring plan contained in OES's permit <br /> application to the Central Valley Regional Water Quality Control Board, dated <br /> May 10, 1990 and supplemental information submitted on July 30, 1990. <br /> As specified in the groundwater monitoring plan, DES will now begin <br /> conducting groundwater monitoring sampling on a quarterly basis. If you have <br /> any questions, please call me at (619) 455-4619. <br /> Sincerely, <br /> Uv� <br /> Wendy S. Lessig <br /> Senior Environmental Engineer <br /> LJH:scc <br /> Enclosure <br /> cc: Ms. Eleanor Ratliff <br /> San Joaquin County Public Health Services <br />