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Environmental Management • P.O.Box 5095 <br /> Room 3E000 <br /> 1/`�_J/♦ San Ramon,CA 94583 <br /> December 21, 2004 <br /> Margaret Lagorio, <br /> Supervising REHS C C 2 C. 2J 1 <br /> Environmental Health Department <br /> San Joaquin County <br /> 304 East Webber Ave. <br /> Stockton, CA 95202 <br /> Subject: SBC Facility <br /> 7644 Ashley Lane <br /> Stockton, CA <br /> Dear Ms. Lagorio: <br /> This is a response to your letter of December 8, 2004 requesting additional information <br /> regarding the shallow injection well noted during a facility inspection on September 16, <br /> 2004. <br /> The drain in the backup generator room was initially sealed with a metal cap to prevent <br /> any releases from the equipment room from entering the drain. On December 14, 2004 <br /> the Building Specialist for the facility placed concrete in the drain. The concrete seal <br /> extends from the floor surface to approximately 12 inches below grade. <br /> I was not able to locate any indication of a release into the engine room drain prior to <br /> closing of the drain. The Building Specialist indicated that the floor around the drain was <br /> clean and dry at the time of the concrete placement. <br /> Attached is a copy of the Inventory of Injection Wells form that is being submitted to the <br /> USEPA in San Francisco. <br /> If you have any questions or need additional information, please call me at(925) 824- <br /> 5784. <br /> Thank you, <br /> 'd11V�� <br /> "Matt Hopwood <br /> Environmental Manager <br /> Attachment <br />