ARCHIVED REPORTS XR0010089 - Laserfiche WebLink

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Introduction Wright Environmental Services, Inc (Wright) has prepared this quarterly report for the above referenced site As you know, several phases of work have been performed at this site The work is in response to a request from the San Joaquin County Public Health Services (PHS- EHD) for site monitoring This report also contains the closure rationale adapted from the Regional Water Quality Control Board in their guidance dated 1 March, 1984 The quarterly report will be presented first, followed by the closure section using the water quality data Field Sampling Methods The site was sampled on April 29, 1999 The following table briefly describes the wells current status (see Table 1) below, Table 1 Monitoring Well Water Levels Well Date Well Depth to Casing Water Floating No Sampled Depth Water Elev Elev Product (ft) (ft) (MSL ft)* (MSL ft) MW-1 9/14/95 16 59 7 70 48 06 40 36 done MW-1 3128196 16 44 726 --- -- 40 80 None MW-1 6127/96 16 44 7 87 --- - - 40 19 None MW-1 12/19/96 16 44 7 65 --- -- 40 41 None MW-1 3110197 16 44 7 52 -- - -- 40 54 None MW-1 6/30/97 16 44 8 10 -- - -- 39 96 None MW-1 8/20/97 16 44 8 36 -- 39 70 None MW-1 12/12/97 16 44 7 88 -- -- - 40 18 None MW-1 3131198 16 44 7 08 --- 40 98 None MW-1 6/30/98 16 51 7 35 ---- - 40 71 None MW-1 9/29198 16 51 8 66 - -- - - 39 40 None MW-1 1114199 16 51 829 - -- 39 77 None MW-1 4129199 16 58 7 91 -- - - - 39 77 None MW-2 9114195 14 47 7 46 47 84 40 38 None MW-2 3/28196 14 46 7 09 --- - 40 45 None MW-2 6127196 14 46 7 70 ----- 40 14 None MW-2 12/19/96 14 46 7 55 ----- 40 29 None MW-2 3110197 14 46 7 42 ----- 40 42 None MW-2 6130/97 14 46 7 96 ---- - 39 88 None MW-2 8120197 14 46 820 ----- 39 64 None MW-2 12/12197 14 46 7 50 ----- 40 34 None MW-2 3/31198 14 37 697 ---- - 40 87 None MW-2 6130/98 14 57 726 ---- - 40 58 None MW-2 9/29/98 14 57 846 ---- - 39 38 None MW-2 1114199 14 57 8 31 - ---- 39 53 None MW-2 4/29/99 14 58 742 ---- - 40 42 None Page 2