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TABLE 1 WELL CONSTRUCTION DETAILS Moore Petroleum Bulk Plant 5491 F Street Banta, California Well Total Casing Screened Filter Pack Installation *Elevation Casing Depth Well Depth Diameter Interval Interval Well Number Date TOC (feet) Material (feet) (feet) (inches) (feet) (feet) [MW-2 W-1 8/9/1988 29.74 PVC 20 20 2 5-20 3.5-20 PVCI 4/8/1989 29.95 0.010screen 26.5 26.5 2 6-26 4-26 PVCI W-3 4/8/1989 29.08 0.010screen 26.5 26.5 2 6-26 4-26 PVCI MW-4 6/12/1990 29.36 0.010screen 24.18 24.18 2 4.1 -24.18 2.1 -24.18 MW-4A 10/19/1999 29.36 PVC 25 20 PVC/ MW-5 6/11/1990 29.39 0.010screen 24.94 24.94 2 4.86-24.94 2.86-24.94 PVC/ MW-6 6/11/1990 29.29 0.010screen 25.17 25.17 2 4.53-25.17 2.53-25.17 MW-7NEW-4 10/19/1999 29.77 PVC 20 20 2 5-20 --- MW-81VEW-3 10/19/1999 28.98 PVC 20 20 4 5-20 --- MW-9 10/19/1999 28.28 PVC 25 20 --- 5-20 -- MW-10 7126100 29.10 PVC 20 20 2 5-20 3-20 MW-11 7126100 29.15 PVC 20 20 2 5-20 3-20 MW-12 7125100 28.86 PVC 20 20 2 5-20 3-20 VEW-1 9/30/1994 --- PVC 14 14 4 4- 14 3- 14 VEW-2 1/11/01 28.69 PVC 21 20 4 5-20 3.5-20 RW-2 1112101 28.53 PVC 31 30 6 10-30 8-30 AS-1 May-95 -- --- --- _-- -- -_ _ Notes: * = surveyed by Morrow Surveying to mean sea level 10101 ---= Information not found TOC =Top of Casing PVC = Polyvinyl Chloride Earth Treatment Systems, Inc.installed MW-1. Delta Environmental Consultants, Inc, installed MW-2&MW-3 Nations Groundwater Associates/Aegis Environmental Inc. installed MW-4 through MW-6 To define the vertical extent of soil contamination,a 39 foot deep boring (called SB-Deep)was advanced near MW- BNEW-3 on 7126100. Results beyond 20 feet bgs were non-detect for contaminants of concern. Details are included in the Apex Third Quarter 2000 QMR (R:IGOLD RIVERIOLD PROJECT FILES(PRE 2003)IMIKE SGOURAKIS1Apex projects\era02.004\results report 8-00\Res-QMRept.Q3.doc) APEX ENVIROTECH INC. Page 1 to 1 ERA02.004