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1740 Houston Van Buskirk GolfCourse <br /> ,s <br /> The Twining Laboratories will submit 'a workplan which propose a scope of work that <br /> will provide enough data to characterize the extent of the release. PHS/EHD <br /> recommends that the workplan include soil analyses to determine site specific <br /> environmental fate attenuation factors, some of which are listed in the CVRWQCB <br /> Designated Level Methodology, and a Waste Extraction Test to determine the <br /> leachability of the most mobile, toxic, `and environmentally persistant fractions of the <br /> waste. <br /> The purpose of this workplan is to compile a complete site assessment report with all <br /> data obtained to date. All soil and groiundwater analyses obtained to date should be <br /> tabulated. The estimated extent of the contamination should be contoured on cross <br /> sections which inculde lithologic- stratas, and well construction details. A mass <br /> balance should be calculated for each concentration contour. The environmental <br /> attenuation, leachability, waste characterization, and monitoring well data presented <br /> in this report will be used to determine the risk of leaving the waste in place, or the <br /> benefit of establishing and implementing site specific cleanup goals. <br /> The compliance date for the workplanh is February 29, 1996. <br /> f <br /> M <br /> t <br />