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Sierra Pacific Groundwater Consultants, Inc. <br /> y 4 H`YPTWTOLOGISTS&GEOLOGISTS <br /> =� prT 17 Ppb (: 08 <br /> October 16, 1995 <br /> Wendy Wyels, Agricultural Regulatory Unit <br /> Central Valley - Regional Water Quality Control Board <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> Subject: Work Plans For Installation of Monitoring Wells at 1836 North Sutro Avenue and 1905 <br /> North Broadway Avenue, Stockton, California: Unocal Order/Contract; 34402, SPerra- <br /> Pacifzc Project No. 94-055.03 <br /> Dear Ms. Wyels: <br /> A revised work plan for the installation of a 180-foot deep, dual-tube, monitoring well (MW-7) is <br /> enclosed for your review and approval. Two additional monitoring well plans (MW-8 and MW-10) <br /> are also included. Sierra-Pacific revised its preliminary work plan for MW-7, located at 1836 North <br /> Sutro Avenue, in accordance with recommendations from Beylik Drilling, Inc. The enclosed work <br /> plan has also been sent to Mike Infurna and Unocal for concurrent approvals. <br /> Please review the enclosed work plans and let me know if any changes need to be made. <br /> Sincerely, <br /> SIERRA-PACIFIC GROUNDWATER CONSULTANTS, INC. <br /> ohn tephe Ra p, CEG-1133 <br /> Senior Engineering Geologist <br /> JSR/jb <br /> Enclosures <br /> C. W.T. Nickerson, Unocal <br /> Michael Infurna, San Joaquin County <br /> 4911 Windplay Drive.Suite 4 EI Dorado Hills.California 95762 (916)933-1468 <br /> (916)933-3197 FAX <br />