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er - 3 - 28 August 2000 <br /> om the San Joaquin County Environmental Health Department are required for installation <br /> ndwater monitoring wells. <br /> conditions in the borehole allow, it is recommended that the sand pack be surged prior to installing <br /> the bentonite seal. <br /> The following comments on the well construction methods are provided: <br /> If a slip cap is used on the bottom of the well casing, it must be secured using stainless steel <br /> screws. <br /> - A traffic rated wellhead is proposed for the well. The wellhead must be set in concrete to prevent <br /> damage to the wellhead and surface water infiltration. <br /> Please submit a workplan addendum by 29 September 2000. If you have any questions about the <br /> comments provided, please telephone me at (916) 255-3116. <br /> Timothy R. O'Brien <br /> Waste Discharge to Land Unit <br /> Lower San Joaquin River Watershed <br /> cc: Mike Huggins, San Joaquin County Health Department, Stockton <br /> _ James Hamrick, Owens-Brockway, Tracy <br /> Robert Neal, Owens-Brockway, Oakland <br /> Russell Browne, Golder Associates, Oakland <br /> L <br />