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i 7 <br /> f� Ab <br /> � <br /> A. <br /> ON NT9 <br /> t <br /> S�RVIs R E C VEM D <br /> a CT A ' 1852 <br /> September 29, 1992 ENVIRONMENTAL HEALTH <br /> Project Number 113-26 PERMIMERVIC0 <br /> Mr.John Johnson <br /> The Customer Company <br /> 4457 Industrial Park Road <br /> Benicia, CA 94510 <br /> Subject: Groundwater Monitoring at, Cheaper # 37, 15 East Granthne Road, <br /> Tracy, San Joaquin County, California <br /> Dear Mr. Johnson; <br /> This letter presents the results of the groundwater sampling and chemical analysis <br /> of the samples taken from two monitoring wells at Cheaper # 37, 15 East Grantlane <br /> •� Road, Tracy, San Joaquin County, California. Four 2" monitoring wells are on site. <br /> Samples were not obtained from monitoring well 2 (MW-2) and MW-4 <br /> Approximately six feet from the surface, MW-2 was blocked. A water meter probe <br /> could go no deeper, and came back with dry sand on the end. MW4 was not <br /> sampled because approximately 3/4" petroleum product was floating on the surface. <br /> Well bottoms and first groundwater for MW-1, MW-3 and MW-4 were measured. <br /> Well data as listed an Table 1. <br /> Table 1 - Well Data <br /> s - Cheaper Store # 37 <br /> 15 East Granthne Road, Tracy, California <br /> (an feet) ' <br /> Well # Depth to Bottom .De' th to GW ;GW Elevation* Volume al <br /> MW-1 ; 27.015 -.'x7.175 -93.025 3.2M - - <br /> MW-2 6.310 Dry NA None <br /> MW-3 27.315 8.182 93.218 3.119 <br /> MW-4 23.960 6.410 92.79 2.861 <br /> * An arbitrary elevation of 100.0' was estabhsed on the site for the GW elevation. <br /> Recycled Paper <br /> 4185 Rialto Court 0 Pittsburg, CA 94565 • F4,X (510) 439-2566 Phone(510) 439-1024 <br />