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Ms. Natalia Subbotnikova <br /> ' San Joaquin County Environmental Health Department <br /> November 10, 2011 Page 3 of 4 <br /> bgs. The well casing will be cut to the depth of the bottom of the excavated pit. Soil removed from the <br /> excavation pit will be spread over the decommissioned well. An SJCEHD representative will be <br /> present during well decommissioning. <br /> TABLE 1 <br /> ' Well Construction Details <br /> Borehole Casing Screen Total Borehole <br /> ' Diameter Casing Diameter Interval Depth <br /> inches Material inches feet bgs) feet bgs) <br /> MW-1 8 SCH 40 PVC 2 13-28 32 <br /> ' MW-2 8 SCH 40 PVC 2 10-25 25 <br /> MW-3 8 SCH 40 PVC 2 14-29 29 <br /> ' bgs = below ground surface <br /> SCH 40 PVC = Schedule 40 polyvinyl chloride <br /> ' Health and Safety <br /> URS will conduct a health and safety meeting with all field staff, including subcontractors, before field <br /> work begins. All field staff will be 40-hour Hazardous Waste Operations and Emergency Response <br /> (HAZWOPER)-certified. A copy of the Health and Safety Plan will be available on-site and is <br /> included as Attachment C. <br /> t Report Preparation <br /> URS will submit a report summarizing field activities and providing documentation of well <br /> abandonment activities, including photographs, and the approved permit. <br /> H.\Wprocess\25532\WoddEnterpdselWelf Destruction\Report.doc <br />