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C A M B R I A <br /> 2005 DEC 16 Ali 11: 24 December 15, 2005 <br />� p t /'Gy <br /> Shl�1 f�)t°-,Nf;'i t)Ll(11 1 <br /> Mr Mike lnfurna EN V IP U N-11`I N TA,E <br /> San Joaquin County HE R E T Ff DEP 4 R THEN T <br /> Environmental Health Division <br /> 304 East Weber Avenue,Third Floor <br /> Stockton, CA 95202 <br /> Re Site Status Report Fourth Quarter 2005 and Sampling Reduction Request <br /> Chevron Service Station##9-1848 <br /> 1257 West Yosemite Avenue p ` <br /> Manteca, CA ZI-11 1- <br /> Dear Mr Infurna <br /> On behalf of Chevron Environmental Management Company (Chevron), Cambria Environmental <br /> Technology(Cambria) is submitting this quarterly status report for the site referenced above <br /> FOURTH QUARTER 2005 ACTIVITIES <br /> • Groundwater Monitoring• On October 31, 2005 Gettler Ryan (G-R) of Dublin, <br /> California gauged and sampled monitoring wells C-1 through C-3 G-R's groundwater <br /> monitoring report is presented as Attachment A <br /> GROUNDWATER MONITORING SUMMARY <br /> Site Hydrology <br /> Minimum groundwater elevation 10 78 feet above msl <br /> Maximum groundwater elevation 10 97 feet above msl <br /> Approximate groundwater flow direction (current) Northeast <br /> Approximate hydraulic gradient 0 003 <br /> Cambria <br /> Environmental <br /> Technology,Inc <br /> itrus Avenue <br /> e12 <br /> Rocklin CA 95677 <br /> Tel(916)630-1855 <br /> Fax(916)630-1856 <br />