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; r <br /> PUBLIC HEALTH SERVICES `�� 4. ,oPQU.,hC1 <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION 'X <br /> • Karen Furst, M.D., M.P.H., Health Officer • �... �p . <br /> 4�lF�.Rp1 <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 <br /> 209/468-3420 <br /> ROBERT FOWLER <br /> 1211 SOUTH TURNPIKE ROAD <br /> STOCKTON CA 95206 <br /> RE: ARC PUMP & WELDING WORKPLAN SITE CODE: 1788 <br /> 1211 S TUILVPIKE RD <br /> STOCKTON CA <br /> WORKPLAN: Workplan for the Installation of Monitor Wells <br /> DATED: Se ternber 28 1999 <br /> PREPARED BY: WEGE <br /> APPROVED X <br /> ADDENDUM <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLANT(H&S 25299.37,subd.(c)(3).): <br /> Groundwater plume vertical and lateral definition,soil and water sample collection and analyses, <br /> report of findings. <br /> CONSENTS AND CONDITIONS: <br /> Work must be completed within 60 days of approval date below. <br /> Submit Report of Findings by January 1,2001. <br /> Use most recent groundwater flow direction information to locatc borehole and r:oritor wells, 180 <br /> degree shifts in groundwater flow have been reported. Continuous cores in boreholes are required for <br /> well completions. Do not impose arbitrary/fixed depths for sampling or monitor well completions. <br /> Sampling must be based on site specific hydrogeologic features (preferential flow paths) observed <br /> from continuous cores.EPA Method 8260 full scan is required for all analyses of soil and groundwater. <br /> Continue quarterly sampling, analyses and reporting. This workplan is approved and should be <br /> implemented flexibility in the filed is expected. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN(H&S 25299.37,subd.(c)(3).): <br /> None <br /> DATED 10-20-2000 BY <br /> Ronald W.Rowe, Senior REHS 209 468-0342 <br /> Cc: WEGE—David Threlfall <br /> A Division of San Joaquin County Health Care Services <br />