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NWright <br /> IN May 2, 1996 ` - ` ;fir;l' Il Services, Inc. <br /> Project No 4090-P t <br /> a -c Thi 9 43 <br /> Cox & Cox <br /> Mr Elroy Cox <br /> P Q Box 1046 <br /> Tracy, CA 95378 <br /> RE Quarterly Monitoring Well Sampling Report <br /> Site at 595 East 11th Street, Tracy, CA <br /> Dear Mr Cox <br /> I <br /> Wright Environmental Services, Inc (Wright) has prepared this quarterly report for the <br /> above referenced site As you know, several phases of work have been performed at <br /> this site The work is in response to a request from the San Joaquin County Public <br /> Health Services - Environmental Health Division (PHS-EHD) for site monitoring <br /> Three monitoring wells currently exist on-site <br /> Field Sampling Methods <br /> The site was sampled on March 28, 1996 The following table briefly describes their <br /> current status (see Table 1) below <br /> Table 1 Monitoring Wells Sampling <br /> Well Date Well Depth to Casing Water Floating <br /> No Sampled Depth Water Elev Elev Product <br /> (ft) (ft) (MSL ft)* (MSL ft) <br /> MW-1 9/14/95 1659 77 4806 4036 None <br /> MW-1 3/28/96 1644 726 -------- 4080 None <br /> MW-2 9114195 1628 746 4784 4038 None <br /> MW-2 3128/96 1446 709 --•----- 4075 None <br /> MW-3 9/14/95 1628 765 4794 4029 None <br /> MW-3 3128/96 1615 690 -------- 41 04 None <br /> "Casing elevation data from Evax Technologies, site Investigation Report, April 7, 1992 <br /> The sampler proceeded to purge well volumes (a calculation was done for each well <br /> following sounding measurements) of groundwater from the well using the disposable <br /> bailer The well was then allowing to recharge Between each well volume purge, <br /> conductivity, PH, and water temperature readings were obtained and noted on the <br /> attached Groundwater Sampling Information Sheets presented as Appendix A <br /> 4220 Commercial Dr #5 - Tracy, California 95376 <br /> Telephone (209) 833-0758 • Fax (209) 832-5152 <br />