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Artesian Environmental Consultants <br /> Groundwater flow direction appears to vary considerably on this site Review of the <br /> August, 1991, Kleinfelder Groundwater Assessment Report indicates that the initial <br /> groundwater gradient "slopes generally to the east but fluctuates from east-northeast to <br /> east-southeast " February 1991 data show groundwater to flow to the east April, <br /> 1991 data show groundwater to flow to the southeast <br />' For the May 15, 1992 event the groundwater flow direction was to the north- <br /> northwest at a gradient of 0 0088 feet per foot The August 21, 1992 sampling event <br />' showed a similar gradient with groundwater flow to the south-southeast For the <br /> November 16, 1992 event,groundwater flow changed back to the north-northwest <br /> with a gradient of 0 015 feet/foot The February 22, 1993 event showed a gradient <br />' of 0 011 feet/foot flowing to the southeast, and the May 14, 1993 sampling event <br /> revealed a east-northeast gradient of 0 010 feet per foot The August 18, 1993 <br /> sampling event showed a gradient of 0 010 feet toward the east- southeast The most <br /> current sampling event of November 23, 1993 showed a gradient of 0 009 feet/foot to <br />' the east- northeast <br /> I <br /> I <br /> 3175 Kerner Blvd, Suite E• San Rafael, CA 94901 (415) 257-4801 -FAX (415) 257-4805 <br />