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b. The sample location must be indicated on the site drawing. <br /> c. Number of water samples. <br /> d. The type of analysis that samples will be run for. <br /> e. lab reports of samples taken <br /> At completion of the site work a final plan document must be submitted. The final <br /> document must include surveyed contour drawing (topographical of final configuration) <br /> and engineering field notes. <br /> Changes in land use will require that a Preliminary Endangerment Assessment(PEA) be <br /> completed prior to changing the use of the property from non-irrigated open space. This <br /> assessment should follow standardized protocol, such as described in the California <br /> Department of Toxic Substance Control (DTSC), Preliminary Endangerment Assessment <br /> (PEA) Guidance Manual (1994). Following this protocol will (a) characterize the type <br /> and extent of contamination present, (b) characterize the disposal site areas, contours, <br /> drainage patterns, mass volume, configuration, including definition of lateral and vertical <br /> extent of contamination, and (c) determine the extent of any on-site or off-site migration <br /> of wastes and/or contaminants. <br /> The cleanup and PEA should be considered together. This can allow you to consolidate cost and <br /> avoid duplicative efforts. The Environmental Health Department (EHD) is willing to review the <br /> plan and provide oversight during the cleanup efforts. <br /> If you have any questions regarding this matter you can contact me at(209)468-0332 <br /> Robert McClellon, Supervising REHS <br /> Environmental Health Department <br /> Cc: John Macanas, California Integrated Waste Management Board, MS 920 <br /> Page 3 of 3 <br />