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XEROX TELECOPIER 295 9- 6-88: ?:00 AM: a Abe FOJ-619 454 5839 ab'lsare ; W e <br /> ,R <br /> P.2 <br /> SEP 06 "3S OE: 12 HAP:=I'= .. <br /> -- HARGIS-i-ASSOCIATES, ire'-":. <br /> Consultants in ~;ydragec F;:;ti <br /> 222 <br /> iv o''c Cnlf--nin 92037 <br /> ;619j 454•u'S5 <br /> September 2, 1988 <br /> VIA F M EL XPRESS <br /> Ms. Laurie Cotulla <br /> SAN JOAQUIN LOCAL HEALTH DISTRICT <br /> 1601 E. Hazelton Avenue <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> Re: Exploratory Boring Near California. Water Service Well CW520 <br /> Mjr;gy Coollag lrjer ''oma~any facility. Stockton California <br /> Dear Ms. Cotulla: <br /> As Gary Reents and Gary Vargas have discussed with you, Hargis + <br /> Associates, Inc. plans to drill an exploratory boring adjacent to California <br /> Water Service Well CWS20 as part of our- continuing groundwater investigation <br /> at the Marley Cooling "ower Company facility. <br /> The exploratory boring will be drilled using mud rotary drilling method <br /> to a total depth of approximately 500 feet. The exploratory boring will be <br /> a maximum of 6 inches in diame:.ar. It is anticipated that the drilling of <br /> the exploratory borehole will take th>lse to four days. Positive hydrostatic <br /> pressure will be maintained in the borehole 24 hours a day. Upon reaching <br /> t(,e total death of the baring it will be geophysically logged, Immediately <br /> following the geophysical logging of the exploratory boring, it will be <br /> abandoned by pressure grouting the borehole with neat cement from the bottom <br /> to lard surface using a tra,rrie pipe+. <br /> The explo,atory boring will be located approximately 100 feet east of <br /> Ora Avenue in east Stockton (,Figure 1) . The boring will be at least 50 feet <br /> away from Cali 'Fornia Water Service W01 CW520 and 10 feet away from the <br /> property boundaries . <br /> If you have any questions, please contact me at the Marley Cooling <br /> Tower Company facility at (2O9) 46a-3451 from Tuesday, September 6 through <br /> Friday, September 9, <br /> Sincerely, <br /> HARGIS + ASSOCIATES, X, <br /> Peter T. Quinlan <br /> Senior Hydrogeologist. <br /> PTQ/bm E r <br /> nCo 7a� Avecuu Seiie 121 <br /> Enclosure A::zcaa 85719 <br /> (60ij 345.0888 (602)861-7300 <br />