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PUBLIC HEALTH SEkVICES <br /> SAN JOAQUIN COUNTY r. <br /> JOGI KHANNA M.D.,M.P.H. <br /> Health Officer <br /> P.O. Box 2009 . (1601 East Hazelton Avenue) Stockton, California 95201 <br /> (209) 468-3400 <br /> September 28 , 1990 <br /> Bradd Stately C(DIPY <br /> RMC Lone Star <br /> P.O. Box 5252 <br /> Pleasanton, CA 94566 <br /> RE: RMC Lone Star Kerlinger Aggr. REFER TO SITE CODE: 17373 <br /> 30350 S. Tracy Blvd. <br /> Tracy, CA 95376 <br /> Our review of your Work Plan dated December 27 , 1989 is complete <br /> and we have the following comments. <br /> 1 . Discrete sampling is recommended in the re-excavation <br /> area rather than compositing in order to identify and <br /> recognize specific areas of petroleum contamination. <br /> 2 . The excavated soil must be certified as non-hazardous <br /> prior to its use in road base manufacturing. This self- <br /> certification must address the criteria for the <br /> identification of hazardous waste listed in California <br /> Code of Regulations, Title 22 , Article 11 , which are: <br /> toxicity, ignitability, reactivity, corrosivity, and <br /> whether the waste contains harmful amounts of persistent <br /> and bioaccumulative substances. The Department of Health <br /> Services (DOHS) , Waste Evaluation Unit, should be <br /> contacted to determine the appropriate test methods for <br /> addressing these criteria. <br /> 3 . After the materials have been determined to be non- <br /> hazardous, it will be necessary to develop a detailed <br /> plan for the proposed reuse of the materials . This plan <br /> should include: <br /> a. an evaluation of the quantity of soil to be treated; <br /> b. an analyses of the levels of hydrocarbons present in <br /> the soil; <br /> C. the proposed mixing and placement methods; <br /> d. identification of the location(s) where the road <br /> base will be placed; <br /> e. a proposed time schedule for the project; <br /> A Division of San Joaquin County Health Care Services 4" <br />