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TABLE 7 <br /> SOIL BORINGS AND WELL COMPLETIONS <br /> ARCO Service Station#2133&Chevron Service Station#9-4275 <br /> 2908 and 2905 Benjamin Holt Drive <br /> Stockton,California <br /> Well Screen Screen <br /> Well Installation Depth Diameter Top Bottom Length Comments <br /> I.D. Date (feet bgs) (inches) (feet bgs) (feet bgs) (feet) <br /> CHEVRON <br /> Soil Borings <br /> SB-1 06/20/94 21.5 -- -- -- -- Soil Boring <br /> SB-2 06/20/94 21.5 -- -- -- -- Soil Boring <br /> SB-3 06/20/94 18.5 -- -- -- -- Soil Boring <br /> SB-4 06/20/94 18.5 -- -- -- -- Soil Boring <br /> Monitoring Wells <br /> MW-1 02/28/89 36.5 4 8 32 24 Destroyed May 2005 <br /> MW-2 02/27/89 34 4 15 31.5 16.5 Destroyed May 2005 <br /> MW-3 02/28/89 31.5 4 17 28 11 Destroyed May 2005 <br /> MW-4 03/01/89 33.5 4 16 30 14 Destroyed May 2005 <br /> MW-5 03/01/89 28.5 4 8 28 25 Destroyed May 2005 <br /> MW-6 03/03/92 31.5 2 10 30 20 Destroyed May 2005 <br /> MW-7 03/03/92 31.5 2 10 30 20 Destroyed May 2005 <br /> MW-8 12/13/93 29 2 5 29 24 Destroyed May 2005 <br /> MW-9 06/20/94 31.5 2 10 30 20 Destroyed May 2005 <br /> MW-1R 03/01/06 60 2 5 20 15 Onsite Monitoring Well <br /> MW-2R 02/27/06 65 2 5 20 15 Onsite Monitoring Well <br /> MW-3R 02/28/06 59 2 5 20 15 Onsite Monitoring Well <br /> MW-5R 06/05/06 20 2 5 20 15 Onsite Monitoring Well <br /> MW-7R 06/05/06 20 2 5 20 15 Onsite Monitoring Well <br /> MW-9R 06/05/06 20 2 5 20 15 Onsite Monitoring Well <br /> MW-10 -- 20 2 5 20 15 Proposed Northern Offsite Well <br /> Remediation Wells <br /> GM-1 11/13/96 30 2 9 17 8 Destroyed May 2005 <br /> GM-2 11/14/96 30 2 10 17 7 Destroyed May 2005 <br /> GM-3 11/18/96 30 2 10 17 7 Destroyed May 2005 <br /> GM-4 11/14/96 30 2 10 17 7 Destroyed May 2005 <br /> GM-5 01/24/97 30 2 10 17 7 Destroyed May 2005 <br /> GM-6 11/18/96 30 2 10 17 7 Destroyed May 2005 <br /> GM-7 11/15/96 31 2 10 17 7 Destroyed May 2005 <br /> GM-8 11/15/96 31.5 2 10 17 7 Destroyed May 2005 <br /> GM-9 01/24/97 30 2 10 17 7 Destroyed May 2005 <br /> VW-1 03/03/92 20 2 12.5 17.5 5 Destroyed May 2005 <br /> R-1 Oct-88 48? 6 8 48 40 Destroyed <br /> Explanation <br /> Wells are of PVC construction <br /> bgs=Below Grade Surface <br /> =Not Available/Not Applicable <br /> Note: Proposed well depths and screens may change based on suburface conditions encountered during installation. <br /> 94275 Boring and Well Completions Table 6 Page 3 of 3 SECOR <br />