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STATE OF CAUFORNI1► - <br /> _ AL GEORGE DEUKMEJIAN,Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— <br /> CENTRAL VALLEY REGION _ <br /> 3443 ROUTIER ROAD <br /> SACRAMENTO,CA 95827-3098 <br /> 17 February 1989 <br /> Mr. Ken Thouvenot <br /> Progresso Foods Company <br /> 400 South Fourth Street <br /> St. Louis, MS 63102 <br /> Excavation Closure at Tillie Lewis Foods Cannery, Stockton, San <br /> Joaquin County <br /> Regional Board staff have reviewed your proposed closure plan for the site and <br /> discussed it with the San Joaquin Local Health District (District). Based upon <br /> the chromatographic analyses sent to us by your consultant, McClelland <br /> Engineers (McClelland), it appears that the excavation of approximately 10,000 <br /> cubic yards of soil has removed the gross contamination. Ale, therefore, have <br /> no objections to refilling the pit according to the plan agreed to by us and the <br /> District. <br /> McClelland will be sending us drilling records of the perimeter wells used to <br /> dewater the site. We will review them to determine whether any may be <br /> suitable as monitoring wells for future work which may be needed. You had <br /> requested that some southern perimeter wells be destroyed so the refilling of <br /> the pit could proceed expeditiously. So long as a minimum number of wells are <br /> destroyed, we can agree to the procedure. Upon review of the pit closure, well <br /> placement, nearby contamination problems, and your current monitoring data, <br /> a decision can be made regarding the need for future monitoring. <br /> In the meantime McClelland will be submitting the responses to Jon Marshack's <br /> request for data about the slurry pond and disposal area. When these are <br /> evaluated, we can prepare our final response concerning the site. <br /> If you have any questions, please phone me at (916) 361 - 5740. <br /> Gordon Lee Boggs <br /> Underground Tank <br /> Program Coordinator <br /> GLB:glb <br /> lwm,kUA <br />