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KLEINFELD <br /> ER <br /> 1 PZMODUCTION <br /> J-M Manufacturing Company (J-M Mfg.) operates a pipe production plant located in northern <br /> California south of the City of Stockton (Plate 1-1). The plant is located in an industrial area <br /> near the Stockton-Municipal Airport (Plate 1-2). Before switching to the production of PVC <br /> pipe, J-M Mfg. produced asbestos/cement (A/C) pipe and discarded manufacturing waste to a <br /> number of on-site landfills and two on-site surface impoundments. Waste in the landfills has <br /> been covered with at least one foot of soil. <br /> A Solid Waste Assessment Test (SWAT) investigation was completed in 1990 which indicated <br /> that asbestos contamination in surface water and surface soils may be a problem. In response <br /> to that report, the Central Valley Regional Water Quality Control Board (CVRWQCB) <br /> requested that a Report of Waste Discharge (RWD) be prepared for the site that focused on <br /> closure of the facility waste management units (WMUs) and remediation of surface soil <br /> contamination. To date, the California Integrated Waste Management Board (CIWMB) has <br /> not expressed an interest in closure of the site. Waste disposal activities ceased before the <br /> effective date of the new CIWMB regulations. <br /> Objective <br /> The objective of this project is closure of the J-M Mfg. site disposal areas. Closure of the site <br /> involves three tasks, 1) remediation of significant surface soil asbestos contamination in non- <br /> WMU areas, 2) capping of the WMUs, and 3) control of asbestos in surface water in the canal <br /> that crosses the site. Completion of the first two tasks provides a means for completing the <br /> third task. In essence, the tasks are interrelated and the success of the remediation and closure <br /> will be judged by monitoring surface water for elevated levels of asbestos. The remedial and <br /> closure objective can then be simply stated as reducing the asbestos contribution to surface <br /> water caused by unsecured asbestos on the J-M Mfg. site. <br /> Approach <br /> Meeting the project objective stated above will be initiated by remediating asbestos "hot spots" <br /> found during previous surface soil samplings and by capping the waste disposal areas. With <br /> CR14-92-12 Page 1 of 39 24-220109-1709 <br /> Copyright 1992 Kteinfetder, Inc. AOL <br />