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Comment: This is being done. <br /> 3. No activity is described for the <br /> hydrogeological nature of the Vadose <br /> Zone. <br /> 4. A definition of contamination has not <br /> been adopted. This is necessary to plan <br /> the second phase and to comply with <br /> procedures for NCP. <br /> 5. It was pointed out that the frequency and <br /> timing of the monitor well sampling was <br /> not evident. <br /> 6. The areal and vertical extent of Chromium <br /> contamination is not complete. <br /> All of the above will be reviewed. <br /> General Comments by MCTC <br /> Three programs are working concurrently for the Stockton <br /> treating plant project. <br /> 1 . Assessment Programs <br /> A report of the findings in the first six wells <br /> will be forthcoming in a few weeks. Preliminary <br /> results indicated slightly elevated Cr VI levels <br /> at one property boundary. <br /> Hargis and Associates are preparing to drill <br /> a second group of six wells to more accurately ,- <br /> determine <br /> ccurately ,- <br /> determine the horizontal and vertical extent <br /> of the plume migration. <br /> 2. Pond Closure <br /> a. Specifications have been written and bids <br /> are being received for the long-term <br /> delivery ion exchange equipment. <br /> b. Plans and layouts are being made for <br /> the installation of equipment. <br /> c. NPDES Permit <br /> An NPDES permit was received Jan, 29, 1986 <br /> allowing discharge of drinking quality <br /> water into the Diverting Canal. <br />