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Mr. Robert 0. Godwin <br />Associate Director <br />am <br />2 February 1987 <br />For those Waste Management Units which are regulated by the TPCA (lagoon 806/807 <br />and the two Class II surface impoundments), Section 25208.8(b) requires a descrip- <br />tion of the hazardous waste constituents placed in each surface impoundment based <br />on a representative chemical analysis. The criteria specified in Article II of <br />Chapter 30, Division 4, Title 22 of the California Administrative Code must be <br />followed for the determination of hazardous waste substances. Should the chemical <br />analyses to be conducted for the required waste characterization demonstrate that <br />the constituent levels are nonhazardous, that information must be submitted to the <br />Regional Board and the Department of Health Services. This information will be <br />used for a redetermination of the applicability of the TPCA to each Waste <br />Management Unit. <br />If you have any questions regarding these issues, please contact me at (916) <br />361-5739. <br />CAMILLA WILLIAMS <br />Engineering Geologist <br />CW: c ar <br />Enclosures <br />cc: Mr. Eugene Draney, LLNL, Livermore <br />Mr. Richard Ragaini, LLNL, Livermore <br />Mr. James T. Davis, Department of Energy, Oakland <br />Mr. Paris Greenlee, Department of Health Services, Berkeley <br />Department of Health Services, Toxic Substances Control Div., <br />Department of Health Services, RCRA Program Management Section, <br />Mr. C. Leland Hall, San Joaquin County Local Health District, <br />Emeryville <br />Sacramento <br />Stockton <br />