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"Al <br /> L fit <br /> Vii <br />. . __GROUND ZERO ANALYSIS, INC. w- <br /> r <br /> 1714 Main Street <br /> Escalon, ca fornix 95320 <br /> Telephone: (209)838-9888 <br /> Facsimile: (209)838-9883 <br /> I February 27,1998 <br /> Mr.Michael lnf irna <br /> San Joaquin County Public Health Services <br /> Environmental Health division <br /> 304 East Weber Avenue,Third Floor 1 <br /> Stockton,CA 95202 <br /> Subject: Well Destruction Workplan,275 Grantime Road,Tracy,California <br /> Dear Mr.Inf rma: <br /> } <br /> As we discussed,Ground Zero Analysis,Inc. (Ground Zero)has been authorized John Pestana QTIP Trust to destroy <br /> the existing Tnonitoring wells qvm 1,MW2 and MW3)at the subject site. Each well casing is two inches in diameter. <br /> a The last measured depths of each well(October 1996)were 16.24 feet for MW 1, 19.81 feet for MW2,and 18.32 feet <br /> for MW3.The wells will be destroyed by filling with neat cement grout from bottom to top and subsequently pumping <br /> additional grout into each well under pressure. In addition,the upper 3 feet of the well casing and annular seal will be <br /> overdrilled prior to placing a mushroom cap in the void space. The wells will be destroyed by V&W Drilling(C57- <br /> 720904)under the supervision of a Ground Zero field technician. <br /> For your convenience,enclosed are photocopies of the logs for the wells to be abandoned. Also included is a completed <br /> well destruction permit application and associated fee. Well destruction activities are scheduled to begin at 8:00 a.m. <br /> on Monday,March 9, 1998. <br /> Please call me at(209)838-9888 if you have any questions regarding this workplan, <br /> Sincerely, <br /> Ground Zero Analysis,Inc. <br /> FRED GEO <br /> John P.Lane GREGORY P. <br /> st � STAHL. � <br /> Na. 5023 3 /�p <br /> 777 <br /> OF CAO44� <br />{ Gregory P.Stahl,RG <br /> Certified Hydrogeologist 264 <br /> f <br /> Enclosures <br /> l <br /> grouodze\pestsue.0351wudetwk.d oc <br />