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CALIFORNIA-ENVIRONMENTAL PROTECTION AGENCY PETE W 30N,Gov®mor <br /> CALIFC14NIA REGIONAL WATENWALITY CONTROL BOARD <br /> CENTR. - VALLEY REGION <br /> 3443 ROUTIER ROAD, SUITE A <br /> SACRAMENTO, CA 95827-3098 <br /> PHONE; (916)255-3000 <br /> FAX: (916)255-3015 <br /> ' 27 January 1994 <br /> Mr. David Chen <br /> J-M Manufacturing Company, Inc. <br /> 1051 Sperry Road <br /> Stockton, CA 95206 <br /> REVISED TENTATIVE WASTE DISCHARGE REQUIREMENTS FOR CLOSURE AND <br /> POST-CLOSURE MAINTENANCE OF SURFACE IMPOUNDMENTS AND <br /> UNCLASSIFIED LANDFILLS, JOHNS-MANVILLE MANUFACTURING COMPANY, <br /> SAN JOAQUIN COUNTY (CASE#287) <br /> Enclosed is a copy of revised tentative waste discharge requirements for the closure and post- <br /> closure maintenance of Johns-Manville Manufacturing Company's surface impoundments and <br /> unclassified landfills in San Joaquin County. Items to be deleted from original version are <br /> struck out, while items to be inserted are shaded. If you have any further comments can me <br /> as soon as possible, but no later than 3 February 1994. <br /> In our 21 December 1993 meeting, you requested approval to leave all soils with <1% <br /> asbestos in place or to use as fill during closure. At this time, we are allowing the use of <br /> <1% percent area as the method detection limit. Therefore, we require that you use clean fill <br /> from either offsite or onsite soils which have no detectable asbestos at a detection limit no <br /> greater than <1%. While it is technical feasible to get a lower detection limit, there are <br /> limited number of laboratories capable of conducting the more expensive test. <br /> To ensure that no asbestos above the 1% detection limit are use to cover the landfills, we <br /> request that you to identify and sample the borrow source that you are planning to use as <br /> cover materials. Please submit a brief report and time schedule outlining how you will <br /> comply with this requirement.d <br /> If you have any questions, please contact Robert Evans at (916) 255-3136. <br /> G�4�a <br /> WILLIAM J. MARSHALL, Chief <br /> Waste Discharge to Land Unit <br /> RAE <br /> Enclosures - Revised Tentative Order <br /> cc+encl: Mr. Ed Padilla, San Joaquin County Public Health Services, Stockton <br /> Mr. Tim Crandall, Kleinfelder, Inc., Sacramento <br />