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l <br /> Advanced <br /> GeoEnvironmental Inc ® 1� <br /> 31 December 2008 <br /> AGE-NC Project No. 97-0360 <br />� ,t <br /> Ms. Vicki McCartney <br /> ,t <br /> San Joaquin County Environmental Health Department <br /> 600 East Main Street <br /> ' Stockton, California 95202 S <br /> I <br /> Subject: Well Destruction Report <br /> i ENTERPRISE INVESTMENTS (Former J.B. Murphy Trucking) <br /> 355 Enterprise Place, Tracy, California <br /> F <br /> Dear Ms. McCartney: <br /> At the request of Mr. Monty Warren,Advanced GeoEnvironmkntal; Inc. (AGE) has prepared this <br /> report for the destruction of five ground water monitoring wells (MW-1 through MW-5) and one <br /> ground water extraction well (EW-1) at 355 Enterprise Place, Tracy, California (site). The site <br /> location is depicted on Figure 1; site structures and former monitoring well locations are depicted <br /> on Figure 2. w <br /> i <br /> INTRODUCTION/BACKGROUND <br /> Five single completed two-inch diameter ground water monitoring wells (MW-1 through MW-5) <br /> and one single completed six-inch diameter ground water extraction we11(EW-1)had been installed <br /> as part of subsurface investigation of the former underground storage tanks(UST)areas at the site. <br /> Monitoring wells MW-1,MW-3 through MW-5 and extractiori well EW-1 were installed to depths <br /> of 20 feet below surface grade(bsg);monitoring well MW-2 was installed to a depth of 35 feet bsg. <br /> A San Joaquin County Environmental Health Department(EHD)-prepared letter dated 10 September <br /> 2008 stipulated monitoring and extraction wells be destroyed before final closure at the site would <br /> be granted. Each well required a destruction permit from San Joaquin County. <br /> PROCEDURES <br /> i' <br /> �f <br /> Well destruction activities were performed on 22 December 2008 by All Well Abandonment of <br /> Placerville, California. Five monitoring wells were removed by over-drilling each well to its total <br /> 83 7 Slr€tiAi R(, 11. Stockton-Calilornia t) 21.5 <br /> Tele1711011�(209) 107-1006 Fax (2 9)4( -1 1 1 <br />