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` California&gional Water Quality Coll Board <br /> l\- Central Valley Region <br /> v Robert Schneider,Chair Rnff-tt;� �; <br /> Dan Skopec Sacramento Main Office V EN Arnold <br /> Acting Secretary 11020 Sun Center Drive#200,Rancho Cordova,California 95670-6114 tV� Se warzenegger <br /> Phone(916)464-3291 •FAX(916)4644645 Governor <br /> http://www.waterbouds.ca.gov/cemalvalley APR 2 0 2006 <br /> 17 April 2006 ENVIRot,AIENT HEALTH <br /> nrRMIT/SERVICES <br /> Ms. Margaret Lagorio, Supervising REHS Certified Mail <br /> San Joaquin County Department of Environmental Health #7000-0520-0024-2571-3990 <br /> 304 East Weber Avenue, Third Floor <br /> Stockton, CA 95202 <br /> NOTIFICATION OF PROPOSED LEAKING UNDERGROUND STORAGE TANK(LUST) <br /> CASE CLOSURE,FLAG CITY CHEVRON, 6421 CAPITOL AVENUE, LODI, SAN JOAQUIN <br /> COUNTY, CLEANUP AND ABATEMENT ORDER NO. 5-00-700 (LUST CASE #390782) <br /> Staff at the Central Valley Regional Water Quality Control Board is considering closure of LUST Case <br /> No. 390782 for the unauthorized release of petroleum hydrocarbons (gasoline) at 6421 Capitol Avenue, <br /> Lodi, California(See Attachment). In 1995, five underground tanks were removed from the subject site. <br /> During removal of the tanks, gasoline was observed in soil and shallow groundwater beneath the site. <br /> Following a period of active groundwater remediation and monitoring, the concentrations of gasoline <br /> have decreased significantly. Because the minimal remaining concentration levels will reach water <br /> quality objectives that are protective of groundwater quality, human health and safety at the subject and <br /> adjacent properties in a reasonable time, and since the release has been shown to not threaten a public <br /> supply well,no further action related to the former tank release is being considered at this time. <br /> However,the case will remain open to allow time for affected or interested property owners to comment <br /> on the proposed case closure. Therefore, if you have any comments regarding the closure of this case, <br /> please submit them to me by 18 May 2006 at the following address: <br /> Regional Water Quality Control Board—Central Valley Region <br /> 10020 Sun Center Drive, #200 <br /> Rancho Cordova, CA 95670 <br /> Once your Comments are received, we will review them to determine the proper forum to address your <br /> concerns. If your comments are not received by the specified date, we will complete our case closure <br /> process and issue a No Further Action Required letter to the parties responsible for the site. <br /> If you have any questions or concerns regarding this case, please contact me at(916) 464-4615 or e-mail <br /> a jbarton@waterboards.ca.gov. <br /> JAMES L.L. BARYON, P.G. <br /> Engineering Geologist <br /> Attachment <br /> cc: Mr. Tim Cuellar, Advanced GeoEnvironmental Inc., Stockton <br /> California Environmental Protection Agency <br /> C4 <br /> Recycled Paper <br />