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Wright _ <br /> Environmental f <br /> Services, Inc. r ' •, <br /> Construction • Engineering • Remediation <br /> February 6, 1998 <br /> Protect No 4090-P <br /> Cox and Cox <br /> P O Box 1046 <br /> Tracy, Cahfomfa 95378 <br /> Re, Quarterly Monitoring Well Sampling Report <br /> Site at 595 East 11th Street, Tracy, CA <br /> Dear Mr Cox, <br /> Wright Environmental Services, Inc (Wright) has prepared this quarterly report for the above referenced <br /> site As you know, several phases of work have been performed at this site The work is in response to <br /> a request from the San Joaquin County Public Health Services (PHS-EHO) for site monttonng Nine <br /> monitoring wells currently exist on-site <br /> Field Sampling Methods <br /> The site was sampled on December 12, 1997 The following table briefly describes their current status <br /> (see Table 1) below, <br /> Table 1 Monitoring Wells Water Levels <br /> Well Date Well Depth to Casing Water Floating <br /> No Sampled Depth Water Elev Bev Product <br /> (ft) (ft) (MSL ft)- (MSL ft) <br /> MW-1 9/14195 1659 770 4806 4036 None <br /> MW-1 12-26-95 1659 770 --- 4036 None <br /> MWA 3/28196 1644 726 — 4080 None <br /> MW-1 6127196 1644 787 — 4019 None <br /> MW-1 9-23-96 1645 864 3942 None <br /> MWA 12/19/96 1644 765 --- 4041 None <br /> MW-1 3/10/97 1644 752 4054 None <br /> MW-1 6130197 1644 810 ---- 3996 None <br /> MW-1 8/20/97 1644 836 ---- 3970 None <br /> MW-1 17112/97 1644 788 4018 None <br /> MW-2 9114/95 1447 746 4784 4038 None <br /> MW-2 3128/96 1446 709 — 4045 None <br /> MW-2 6127196 1446 770 ---- 4014 None <br /> MW-2 9123196 1445 775 — 3946 None <br /> MW-2 12/19/96 1446 755 ----- 4029 None <br /> MW-2 3110197 1446 742 — 4042 None <br /> MW-2 6130197 1446 796 -- 3988 None <br /> MW-2 8120/97 1446 820 — 3964 None <br /> MW-2 12112/97 1446 750 ----- 4034 None <br /> 4220 Commercial Dr, Suite 5 . Tracy, CA 95376 <br /> 209 833 0758 • Fax 209 832 5152 <br /> wreght@lnreach com Lic #651501 A-B HazMat <br />