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c , <br /> SIERRA-PACIFIC GROUP <br /> GEOLOGISTS 0 ENGINEERS 0 SCIENTISTS 0 COMPLIANCMECIALISTS <br /> July 19, 2000 <br /> l <br /> r� ,J <br /> Mr. W.T.Nickerson, Senior Project Engineer CD <br /> Unocal - DBG/AMG <br /> 2121 North California Blvd., Suite 250 <br /> Walnut Creek, California 94596 <br /> Subject: Second-Quarter 2000 Quarterly Monitoring Report, Former PureGro Facility at 1905 <br /> North Broadway Avenue, Stockton, California: Sierra-Pacific Project No. 94-055.04 <br /> Dear Mr.Nickerson: <br /> The Second-Quarter 2000 Monitoring Report for the former PureGro facility at Broadway Avenue in <br /> Stockton is enclosed for your information. Copies of the report have been sent to Amy Terrell, Mike <br /> Infmma, and Bob Williams. <br /> The enclosed report presents quarterly water level measurements which were made on June 20, 2000. <br /> Ground water was present at about 42 to 44 feet below ground surface(bgs). Near-surface ground water was <br /> determined to be flowing S 82° W with a potentiometric gradient of 0.001. <br /> No ground water samples were collected or analyzed this quarter. <br /> Please call if you have any questions or directives. <br /> Sincerely, <br /> SIERRA-PACIFIC GROUP <br /> Eric D. Chase, C.E.G. 1088 <br /> Senior Engineering Geologist <br /> EDC/JSR/dk <br /> Enclosures <br /> cc. Amy Terrell, CRWQCB <br /> Michael Infurna, San Joaquin County <br /> Bob Williams, Western Farm Service <br /> 4911 Windplay Drive,Suite 4 El Dorado Hills California 95762 <br /> Pbone!(916)933-1468 Fax:(916)933-3197 E-Mail:sppi@sactonet.org <br />