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' PUBLIC H?ALTH SERVI 'ES <br /> SAN JOAQUIN COUNTY <br /> ENVIRONMENTAL HEALTH DIVISION <br /> Karen Furst, M.D., M.P.H., Health Officer <br /> c4�f � �;P <br /> 304 East Weber Avenue, Third Floor • Stockton, CA 95202 FpR <br /> 209/468-3420 <br /> PAUL SOUVA G� <br /> VALLEY WHOLESALE DRUG CO. , INC. <br /> 1401 FREMONT ST W <br /> STOCKTON CA 95203 <br /> WORKPLAN: WorkPlan for Placing Two Groundwater Monitoring Wells DATED: A�pri128 2000 <br /> PREPARED BY: Wm J.Hunter L' <br /> APPROVED with Conditions/See Below <br /> DISAPPROVED ❑ <br /> ADDENDUM ❑ Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN(H86 25299.37,subd.(c)(3)): <br /> 2 MWs to define the lateral extent of the contamination in the groundwater. Additional MWs may be required <br /> in the future depending on the analytical results of the samples and the future quarterly monitoring reports. k <br /> tk <br /> COMMENTS AND CONDITIONS: <br /> 1) WP did not specify methods to be used. Samples should be analyzed for TPHG using EPA Method <br /> 8015 (modified),BTEX using Method 8020,and oxygenates using 8260 or 8260b. <br /> 2) If contamination is noted during installation of MW-5 and the field geologist has decided to move <br /> MW-5 to a location further north,samples(s) must be collected and preserved for lab analyses before <br /> the borehole is grouted. Therefore,there maybe additional samples to be analyzed beyond what is ,:I <br /> collected from the installation of the two monitoring wells. <br /> 3) Selection of samples for analyses must included P1-1S/EI-3D comments and agreement. <br /> 4) Submit fee and permit application before scheduling work with PHS/EHD staff. <br /> 5) Schedule work with PHS/EHD before scheduling work with G57 contractor. <br /> 6) Contingency to advance to a greater depth as dictated by field observations in order to define vertical <br /> depth. <br /> Must provide a properly calibrated,working organic vapor detector such as a PID during work. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN(1.386 25299.37,subd.(C)(3).): <br /> Vrt ,5 <br /> DATED_ May 5, 2000 _ BY r <br /> U 141 <br /> Cc: CRWQCB, Central Valley Region—Marty Hartzell <br /> Fax: Wm J.Hunter—Bill Hunter <br /> 3 <br /> A Division of San Joaquin County Health Care Services <br />