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Environmental <br /> Science & <br /> En ;ineering, Inc. <br /> April 28, 1995 <br /> Mr. Harlin Knoll <br /> San Joaquin Public Health Services <br /> Environmental Health Division <br /> P.O. Box 2009 <br /> 445 N. San Joaquin Street <br /> Stockton, California 95201 <br /> SUBJECT: WELL ABANDONMENT COMPLETION <br /> LODI RR <br /> J110 W. TURNER ROAD <br /> LODI, CALIFORNIA <br /> ESE PROJECT NO. 6935186 <br /> Dear Mr. Knoll: <br /> This letter documents well abandonment at the subject site. Four ground water monitoring wells existed <br /> at the site. These wells were used for monitoring ground water quality surrounding the former <br /> underground diesel fuel storage tanks at the site. In your discussion with Sue Wickham of ESE, you <br /> requested well abandonment as the final requirement for site closure. <br /> The four ground water monitoring wells were abandoned in accordance with California Department of <br /> Water Resources regulations. ESE subcontracted Soil Exploration Services, a California-licensed C-57 <br /> drilling firm with a hollow stem auger drilling rig, to drill out the existing wells and grout the boreholes <br /> to the surface. Asphalt patch was used at the surface of the borehole as necessary. Soil cuttings from <br /> the abandonment of the wells and decontamination water used to clean drilling equipment are stored in <br /> drums at the site. ESE is in the process of subcontracting a hauler to dispose of these materials as <br /> nonhazardous waste at a local landfill. <br /> California Department of Water Resources fortes are attached, as required. <br /> We request written site closure addressed to AT&T Communications, c/o Hanson Engineers, 450 Main <br /> Street, Suite 203, Pleasanton, California 94566, with a copy to ESE. Please contact Sue Wickham at <br /> (510) 685-4053 with any questions or comments regarding this request. <br /> Sincerely, <br /> ENVIRONMENTAL SCIENCE & ENGINEERING, INC. <br /> y <br /> Susan S. Wickham, RG 3851 <br /> Senior Geologist <br /> cc: Duane Wallace, AT&T c/o Hanson <br /> Ramon I4arriquin, AT&T Lodi (site) <br /> F.169351861 w e llah d.if r <br /> 4090 Nelson Avcnue,Suite J Concord,CA y4520 Phone(510}685-40h Fax 10)68:;- 323 <br />