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' California Regional Water Quality Control Board �` <br /> Central Valley Region a' 'Y <br /> Karl E. Longley,ScD,PE,Chair 0'�=-° ~( <br /> Linda S.Adams Arnold <br /> Fresno Branch Office <br /> Secretary for Schwarzenegger <br /> Environmental E Street,Fresno,California 93706 Governor <br /> Protection (559)445-5116•Fax(559)445-5910 <br /> http://www.waterboards.ca.gov/centraIvaIley0 <br /> 9 March 2007 MAR 12 2007 <br /> ENVIRONI,-,: T HEAL,: <br /> PERMIT/SERVICES <br /> M. Scott Mansholt <br /> Chevron Environmental Management Company <br /> 6001 Bollinger Canyon Road, Room K2066 <br /> San Ramon, CA 94583-2324 <br /> REQUEST FOR EXTENSION TO SUBMIT ADDITIONAL CHARACTERIZATION REPORT, <br /> CATELLUS PROPERTY, TRACY, SAN JOAQUIN COUNTY <br /> Regional Water Board staff has reviewed the referenced document for the Catellus property, <br /> at West Byron Road and West Grant Line Road, and dated 1 March 2007 for the Chevron Old <br /> Valley Pipeline (OVP) project site, northwest of Tracy, CA. The request letter was prepared on <br /> behalf of Chevron by Science Applications International Corporation (SAIC). <br /> Previously, in a 16 November 2006 request letter to Chevron, Regional Water Board directed <br /> the company to complete an investigation to address additional soil and groundwater <br /> delineation needs at the site. According to the document, the work was to be completed and <br /> the summary report submitted by 15 March 2007. <br /> Currently, the site is primarily undeveloped agricultural land and gaining access to multiple <br /> properties has been time consuming. Thus, until complete access can be obtained, Chevron <br /> has asked for an extension to submit the summary report of findings for the additional <br /> characterization work. <br /> Regional Water Board staff concurs that the additional time is necessary to complete the <br /> characterization and investigation. <br /> By 28 September 2007 provide a report containing the results of the additional <br /> characterization. <br /> California Environmental Protection Agency <br /> cpi Recycled Paper <br />