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California Regional Water Quality Control Board <br /> Central Valley Region <br /> Katherine Hart, Chair RECEivFn s, <br /> 11020 Sun Center Drive,#200, Rancho Cordova,California 95670-6114 <br /> Linda S. Adams (916)464-3291 • FAX(916)464-4645 JUN 21 2011 Edmund G. Brown Jr. <br /> hftp://www.waterboa rd s.ca.gov/centra lvalley <br /> Acting Secretary for Govemor <br /> Environmental Protection ENVIRONMENTAL.HEALTH <br /> PERMIT/SERVICES <br /> Mr. Ed Ralston 20 June 2011 <br /> ConocoPhillips Company <br /> 76 Broadway <br /> Sacramento, CA 95818 <br /> DRAFT PUBLIC NOTICE FACT SHEET, FORMER UNOCAL BULK PLANT NO. 0788, 8203 <br /> EAST 11TH STREET, TRACY, SAN JOAQUIN COUNTY <br /> California Regional Water Quality Control Board, Central Valley Region (Central Valley Water <br /> Board) staff reviewed the 6 June 2011 Draft Public Notice Fact Sheet with Parcel Information (Draft <br /> Fact Sheet) submitted by Stantec Consulting Corporation on behalf of ConocoPhillips Company <br /> (ConocoPhillips) for the former Unocal Bulk Plant No. 0788 at 8203 East 11th Street in Tracy (Site). <br /> The Site is currently vacant. In the first half of 2009, ConocoPhillips properly abandoned all Site <br /> monitoring wells, excavated contaminated soil to depths of up to 10 feet below ground surface, <br /> installed five temporary soil gas vapor probes, and collected soil gas samples. Central Valley <br /> Water Board are reviewing the Site for no further action status and requested ConocoPhillips <br /> prepare a draft fact sheet to notify potential interested parties. <br /> Our comments are: <br /> 1. The draft Fact Sheet states that Central Valley Water Board staff intend to complete the <br /> closure review process and close the former UST case. The Site is not an underground <br /> storage tank site. ConocoPhillips should remove this paragraph from the fact sheet. <br /> 2. ConocoPhillips needs to include a reference to the State Water Resources Control Board <br /> GeoTracker database system. The fact sheet should notify the public that more Site <br /> information is available in GeoTracker. <br /> 3. Central Valley Water Board staff concur with the fact sheet with the listed modifications. <br /> The Fact Sheet includes a figure and list of mailing addresses for interested parties within <br /> 200 feet of the Site. By 28 June 2011, ConocoPhillips needs to prepare the updated fact <br /> sheet, mail the final fact sheet to the interested parties, and send a copy to Board staff. <br /> The comment period should be 30 days beginning 29 June 2011 and ending 29 July 2011. <br /> If you have any questions regarding this letter, you may contact me at (916) 464-4819 or by email <br /> at kshelton walterb�oards.ca. ov. <br /> 5L-6t <br /> KRISTI SHELTON, P.E. <br /> Water Resources Control Engineer <br /> cc: Ms. Adrienne Ellsaesser, San Joaquin County Environmental Health Department, Stockton <br /> Mr. Mark Bare, Stantec Consulting Corp., Rancho Cordova <br /> California Environmental Protection Agency <br /> Co Recycled Paper <br />