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4 T Corporation <br /> 757 Arnold Drive, Suite D <br /> Martinez, CA 94553-6526 <br /> Tel. 925.370.3990 <br /> the <br /> Fax.925.370.3991 <br /> (911;group. <br /> A bfember of The IT Croup <br /> 7 <br /> September 7, 1999 <br /> I <br /> i <br /> Mr. Harlin Knoll <br /> San Joaquin County Public Health Services <br /> 304 E. Weber Avenue <br /> Stockton, CA 95202 <br /> Subject: Work Plan for Groundwater Monitoring Well Destruction <br /> 7-Eleven Store No. 20304 <br /> 455 Grant Line Road <br /> Tracy, California <br /> Dear Mr. Knoll: <br /> IT Corporation has prepared this Work Plan for Groundwater Monitoring Well Destruction at the <br /> subject site (Attachment 1, Figures 1 and 2). All site-related groundwater monitoring and groundwater <br /> extraction wells will be destroyed in response to a letter dated August 18, 1999, by the San Joaquin <br /> County Public Health Services(SJCPHS) stating that investigation and remedial action of <br /> contamination at the site has been completed. Since the wells are no longer needed for <br /> environmental monitoring purposes, they will be destroyed to eliminate the potential for surface liquids <br /> to enter the aquifer through the existing wells. The scope of work for well destruction is summarized <br /> below. <br /> Site Specific Health and Safety Plan 1 Permitting <br /> IT Corporation will revise the existing site-specific Health and Safety Plan for the site as required by <br /> the Occupational Health and Safety Administration (OSHA)Standard "Hazardous Waste Operations <br /> and Emergency Response" guidelines (29 CFR 1910.120). The document will be reviewed and <br /> signed by all IT Corporation personnel and subcontractors performing work at the site. <br /> A permit for the destruction of all site-related monitoring wells will be applied for at the SJCPHS. <br /> Encroachment permits for the destruction of off-site monitoring wells MW-15 and MW-11 will be <br /> applied for at the City of Tracy Public Works Department. <br /> 20304dwg.Itr I <br /> r <br /> f <br />