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. • p. l <br /> California Regional Water, b Quality Control Board <br /> Central Valley Region <br /> 'terry Tammiocn Robert Schneider,Chair (10e <br /> � <br /> .5'rcn'lary/ar - <br /> Rnvi,rn+o+cnlal Yrv,reeunn Sacramento Main Office Arnold Schwaruucgger <br /> Intomei Address: http://v+ww•swrch.w.govL+wycbs Cover"Ur <br /> 11020 Sun CentLT Drivc,//200,Ranchu(:rnduva C'n uv:-- . .. . <br /> I 01 P <br /> Uelu <br /> Post-ir Fax Note 7671 < PIRDC <br /> Mr, Rick EnosFro J�— iY 14 June 2004 <br /> r � /� <br /> Delicato Family Vineyards <br /> CnJDppt <br /> 12001 South Highway 99 Phera JI VnoneM <br /> Manteca, CA 95336-9209 Fax S l� Fax t <br /> CONDITIONAL APPROVAL Or uieutlNDWATCR A10NITOR)- C <br /> VINEYARDS, NIANT/3CA, SANJOA QUIN COUNTY WORKPLAN, DEL/CATO <br /> I have reviewed the 3 Tune 2004 Abandonment and Replacement ofMW-2, Delicato Vineyards, prepared <br /> by Kleinfolder. The plan was prepared to allow replacement of a well damaged by heavy equipment, <br /> The well will be installed consistent with the methods described in the 13 February 2001 rroundwaterr <br /> Morritorina Worlcplon, prepared by Kleinfelder and the 10 April 2001 Workplan Addendum Letter. I <br /> have the following comments: <br /> – The well must be surveyed to establish die casing elevation for groundwater measurement <br /> calculations. <br /> – The well grout shall be consistent with the Section 13.12.3 of the San Joaquin County Environmental <br /> Health Department's Well Standards that allows neat cement, cement/beatonite slurry, or bentonite <br /> clay. The use of bentonite clay would not be acceptable in this application because of the depth of <br /> the unsaturated zone and potential for bentonite to dry out and crack, <br /> If conditions in the borehole allow, it is recommended that the sand pack be' urged prior to installing <br /> the bentonite seal. <br /> The following comments on the well construction methods are provided: <br /> – If slip cap is used on the bottom ofthe well casing, <br /> screws, it must be secured using stainless steel <br /> – The wellhead trlu4;t be set in concrete to prevent damage to the wellhead and surface water <br /> infiltration, <br /> By 20 June 2004, please subunit an addendum that addresses these comments. If you have arty questions <br /> on this conditional approval, please telephone me at (916)464-4616. <br /> TIMOTH :12. 0"13RIEN <br /> Waste Discharge to Land Unit <br /> cc: Mike Huggins, San Joaquin County Environmental Health Depatt <br /> Robert Martin, Kleinfcldcr, Stockton lent, Stockton <br /> California Environmental Protection Agteney <br /> u•wsniy+ws,rr,,,,,»,,,,.I-i•„oew,rx,c <br /> 04 Peryc/ed Paper <br /> 06/14/2004 MON 08:55 [TX/RX NO 59271 001 <br />