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IJ <br /> Geofogicaf Tichnics Inc. <br /> 2741 Finer Road <br /> Modesto,California 95351 <br /> (209)538.64241%ix#538.5852 <br /> May 30, 1996 <br /> Project No.: 377.2 j <br /> Project Name: Bridges Specialty Center. <br /> Mr. Steve Sasson <br /> Site Mitigation Unit <br /> -San Joaquin County-Public Health Services-Environmental Health Division <br /> P.O. Box 388 - - . <br /> Stockton, California 95201-388 <br /> RE: Bridges Specialty Center <br /> Monitoring Well Abandonment Workplan.: j <br /> Dear Mr. Sasson: <br /> Herewith follows the protocol for properly abandoning (1) 2" diameter x 21 feet deep <br /> groundwater monitoring well (MW-1) .and';two (2) 2" diameter x 19 feet deep <br /> monitoring wells MW's-2 & 3 at the Bridges Specialty Center 2233 Grand Canal <br /> Boulevard, Stockton, Ca. The following work';will be performed by V&W Drilling of <br /> Rio Vista C57#720904 (707) 374-2815--owner-Robert Vickery. f <br /> r <br /> • i. <br /> The well boring's annulus will be pressure grouted with neat cement slurry installed <br /> with a tremie pipe (estimated volume pressure <br /> grout-:1.89 cubic feet for MW-1, and';1.70 ;. <br /> cubic feet each for MW-2 &3) and allowed to mushroom over the top of the casing. } <br /> • The monitoring well's traffic rated well,box will be removed and the area around the <br /> casing excavated to a depth of two feet. <br /> .. _The excavation-will be backfilled-with_clean fill material and capped with concrete._ ._ <br /> finished flush to surface grade. <br /> • Reference attached H & S Plan and Application for Well Closure for more <br /> information. <br /> Do not hesitate to call myself or Rick Dawson if you have any questions. <br /> Sincerely, <br /> t i <br /> GEOLOGICAL TECHNICS INC. <br /> Raynold I. Kablanow 11,Ph.D. <br /> R.G. 5234 <br /> Enclosures <br /> I <br />