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1 <br /> Y <br /> RECEIVED <br /> 01C 19 2007 <br /> SHININGTREE <br /> 12/18/07 <br /> Mr. Jeff Welch <br /> Agency Compliance Manager <br /> Basic Resources Inc. <br /> P.O. Box 3191 <br /> Modesto, CA 95353-3191 <br /> Re: Munn&Perkins/Arsenic background testing of three production wells <br /> Dear Mr. Welch: <br /> This package is in response to the CVRWQCB request that the three M&P production <br /> wells be examined for low level Arsenic. Previous tests of the wash recycle ponds <br /> indicated a level of 3.6 ug/L Arsenic. <br /> We collected water samples from these three wells on December 4th. The plant <br /> superintendent, Mr. BJ, provided access to each well, cycled the operation of each well <br /> and provided individual access taps to each well. Each well was sampled after lines were <br /> purged with a high volume flush. <br /> The wells arc referred to by the numbers assigned in your previous reports as: M&P wells <br /> # 1,2, and 3. The lab report is attached. <br /> The results for the three wells are as follows: <br /> Well Arsenic uWL, <br /> 1 2.1 <br /> 2 2.0 <br /> 3 2.1 <br /> ulcerely, <br /> Don Deem RG, REA <br /> Attachment: Siena Foothill Lab Report 153207 <br /> Environmental Services 0 P.O. Box 1875 - Murphys, CA 95247 • (209)728-2519 • Fax (209)728-2533 0 Earth Sciences <br />