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., STATE OF CALIFORNIA—ENVIRONMENTAL F TECTION AGENCY PETS WILSON,Governor <br /> p I <br /> CALIFORNIA REGIONAL WATER QUALITY:CONTROL BOARD— <br /> T-ii€ E,I 1 rr", f <br /> CENTRAL VALLEY REGION 40"al �K ' <br /> '9r + <br /> 3443 ROUTIER ROAD,SUITE A 'e° I <br /> SACRAMENTO, CA 95827-3098 <br /> PHONE: (916)255-3000 • ` ( <br /> FAX: (916)255-3015 <br /> 1 February 1996 <br /> Mr.Don Culbertson <br /> Chevron Pipe Line Company <br /> P. O. Box 5059 <br /> San Ramon, CA 94583-0959 <br /> SOIL AND GROUND WATER CONTAMINATION, CHEVRON PIPE LINE <br /> COMPANY, DIVIDEND PROPERTY, TRACY, SAN JOAQUIN COUNTY <br /> Board staff has reviewed the 26 October 1995 report entitled Quarterly Groundwater Monitoring <br /> Report, July-September 1995 and Annual Progress Summary,prepared by Geomatrix Consultants. <br /> Our comments are contained in the enclosed memorandum from Dr. Jon Marshack. <br /> The memo concludes that insufficient data are available to allow us to close the site at this time. <br /> Additional information and two additional quarters of ground water monitoring are needed as described <br /> in the recommendations section of the memo. Once we receive the information and additional <br /> monitoring data,we can make a determination on site closure: <br /> n By 29 February 1996, please submit the items listed in Recommendations#1 and 2 in the memo and <br /> a time schedule to conduct the additional ground water monitoring. The monitoring should be <br /> conducted during the first and second quarters of this year. <br /> If you have any questions,you may call me at.(916) 255-3075. <br /> WEND , L. COHEN <br /> Senior Engineer <br /> WLC:wlc <br /> Enclosure <br /> cc: Ms. Diane Hinson, San Joaquin Public Health Services, Stockton <br /> Ms. Karen Lew, Texaco Trading&Transportation Inc., Bakersfield <br /> Ms. Dawn Zemo,Geomatrix Consultants, San Francisco <br /> i <br /> i <br />