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DW-2 Well Destruction Report 2 Ranch Market 23569 South Santa Fe Road,Riverbank CA January 23,2001 supplied water to the Pantoja Property from November 16, 2000 until the replacement domestic well, DW-2R, was brought into service on January 18, 2001 Site Specific Health and Safety Plan SECOR completed the proposed work following the protocol established in the existing site- specific Health and Safety Plan, as required by the Occupational Health and Safety Administration (OSHA) Standard "Hazardous Waste Operations and Emergency Response" guidelines (29 CFR 1910 120) The document was reviewed and signed by all SECOR personnel and subcontractors prior to performing work at the site Permitting/Utility Clearance A permit for well destruction (Attachment 2) was obtained from the SJCEHD The required permitting was completed prior to performing fieldwork Prior to conducting subsurface work at the site, Underground Service AIert (USA) was contacted to delineate subsurface piping in the area surrounding the proposed work area Well Destruction On January 11, 2001, SECOR oversaw Gregg Drilling and Testing Inc (Gregg) destroy domestic well DW-2 Mr Michael Infurna with the SJCEHD was also onsite to observe the well destruction activities Gregg used a cable-operated retractable blade to perforate the 61/4-inch diameter steel casing The casing was perforated with 3-inch vertical cuts every 18-inches from depth to five feet below ground surface (bgs) and the tool was rotated 90 degrees between cuts (Field Notes, Attachment 3) After the casing was perforated, Gregg grouted the well from total depth (60 feet bgs) to five feet bgs Gregg removed the well's concrete pad and excavated to three feet bgs with a backhoe, then cut the 61/4-inch diameter steel casing off at approximately 21/2 feet bgs Gregg then placed an 18- inch tall modified 55-gallon drum in the hole to surround the exposed six inches of casing Gregg continued grouting, filling the rest of the steel casing and the drum, creating a grout mushroom cap on top of the casing Gregg backfilled the excavation with soil and compacted it by wheel rolling with the backhoe File DW 2Dc5uWi doc