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i <br /> Geologicaf Technics Inc. <br /> 2741 River RW <br /> Modesto,California 95351 <br /> (209)538-6424/Fax#538.5852 <br /> March 4, 1996 cn -�.` <br /> s Project No.. 253.2 <br /> Project Name: Ripon Milling , { <br /> Mr. G. E.Jenkins <br /> Ripon Milling, Inc. w <br /> 320 South Stockton Street t <br /> .Ripon, <br /> RE: Monitoring Well Abandonment Workplan <br /> � l <br /> Ripon Milling, Inc. 320 Stockton Street, Ripon <br /> Dear Mr. Jenkins: <br /> Herewith follows the protocol for properly abandoning (1) 4" diameter x 42 feet deep <br /> groundwater monitoring well (MW-1) at the Ripon Milling facility located at 320 <br /> Stockton Street in Ripon. Unless otherwise noted all work will be performed according <br /> to protocol established for this site in.the Geological Technics.Inc. ' February 3, 1995 <br /> Monitoring Well Installation Work Pian. <br /> It is expected that the following work will commence 3within 30 days of receiving <br /> written approval from the SJCPHSEHD. <br /> Monitoring Well Abandonment <br /> `. The following well abandonment work will be performed by V&W Drilling of Rio Vista <br /> C57#710678 under Permit No. 008347 under the supervision of a Geologicalg Technics <br /> Inc. professional geologist: <br /> • The monitoring well's traffic rated well box will be removed and the well boring will <br /> be drilled out to four (4) feet. <br /> • The well boring's annulus will be pressure grouted with neat cement slurry installed <br /> with a tremie pipe (estimated volume of grout-5.5' cubic feet) and allowed to <br /> mushroom over the top of the casing. <br /> • The excavation will be backfilled with clean fill material:and finished flush to surface <br /> grade. <br />