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TABLE 1 <br /> Well Construction and Proposed Well Destruction Details <br /> Chevron Facility#94275 and ARCO Service Station No.2133 <br /> 2905 and 2908 West Benjamin Holt Drive,Stockton,CA <br /> Borehole Casing Cement Seal <br /> Construction Elevation Boring Slot Size Screened Interval Filter Pack Interval Bentonite Seal Interval Proposed Well Destruction <br /> Well I.D. Depth Diameter Diameter Casing Material Interval(feet <br /> Date (TOC feet) (inches) (feet bgs) (feet bgs) (feet bgs) bgs) Method <br /> (feet bgs) (inches) .(inches) <br /> Remediation Wells(R,V,S) <br /> R-1 7/24/84 42 - 12 PVC - 9-35 8-40 - - Over-drill <br /> 6 1 10113/93 1.94 24 10 4 PVC 0.030 4-24 3-24 2-3 0-2 Over-drill <br /> R7 %VV, 10/12/93 .1.47 25 10 4 PVC 0.030 4-24 3-25 2-3 0-2 Over-drill <br /> 6(� / 10/12/93 1.56 25 10 4 PVC 0.030 4-24 3-25 2-3 0-2 Over-drill <br /> Vv 10/14/93 2.24 25 10 4 PVC 0.030 4-24 3-24 2-3 0-2 Over-drill <br /> ,1.:) (V��." 10/18/93 3.26 25 10 4 PVC 0.030 4.5-24.5 3-25 2-3 0-2 Over-drill <br /> / C v=p.,,- 10/14/93 2.34 23 10 4 PVC 0.030 3-23 2-23 1-2 0-1 Over-drill <br /> e'T e,V\ ✓ 10/15/93 2.16 25 10 4 PVC 0.030 4-24 3-24 2-3 0-2 Over-drill <br /> > V�8✓ 8/15/94 - 21.5 10 2 PVC 0.030 6-21 5-21 3-5 0-3 Over-drill <br /> /t2✓l�f� � 'rjr �\ 7ss 8/15/94 31.5 1 PVC 0.020 6-21/27.5-30 5-21/26.5-30 3-5/21-26.5 0-3 Over-drill <br /> i� fGpl .V t81S�8 8/16/94 31.5 - 2/1 PVC 0.020 6-21/27.5-30 5-21/26.5-30 3-5/21-26.5 0-3 Over-drill <br /> 6 1'V 8/15/94 2.95 21.5 10 2 PVC 0.030 5-21 4-21 2-4 0-2 Over-drill <br /> (V�12 8/16/94 1.21 21.5 - 2 PVC - 6-21 5-21 3-5 0-3 Over-drill <br /> ` fS-1✓ 10/12/93 0.90 25 1 PVC Sch.40 0.020 22-24 19-25 14-19 0-14 Over-drill <br /> T CS-2V 10/13/93 1.75 25 - 1 PVC Sch.40 0.020 23-25 20-25 15-20 0-15 Over-drill <br /> </C) fS-3i�,�./� 10/15/93 2.30 25 - 1 PVC Sch.40 0.020 23-25 19-25 12-19 0-12 Over-drill <br /> 'ff l IS-4;1/ 10/15/93 1.39 •24.5 6 1 PVC Sch.40 0.020 22.24 18.5-24 15.5-18.5 0-15.5 Over-drill <br /> <J,g kS-5t/ 10/16/93 2.58 24.5 6 1 PVC Sch.40 0.020 20-22 19-24 15-19 0-15 Over-drill <br /> 4J,O ,S-6® 10/19/93 4.25 25 - 1 PVC Sch.40 0.020 23-25 20-25 16-20 0-16 Over-drill <br /> �V It 9-9,{Y 8/16/94 1.73 30 1 1 PVC Sch,40 0.020 1 27.5-30 L 26.5-30 21-26.5 0-21 Over-drill <br /> Soil Borings <br /> AS-8 2123/06 0.65 <br /> 65 6 <br /> AS-9 2/24/06 67.5 6 - 0-65 <br /> AS-10 2/27/06 63 6 - D-63 <br /> AS-11 3/2/06 25 6 - D-25 <br /> Notes: 1 <br /> bgs=below ground surface <br /> TOC=top of casing <br /> PVC=polyvinyl chloride <br /> Sch.=Schedule <br /> Filter Pack is with#3 sand <br /> -=Not Available/Not Applicable <br /> Elevations are in US survey feet <br /> Well Construction and Proposed Well Destruction details.xls Page 2 of 2 Stantec <br />