SITE INFORMATION AND CORRESPONDENCE

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�- ATC Shaping the Futuro PUBLIC NOTICE Fact Sheet Pending Case Closure for Leaking Underground Storage Tank Site Cardno ATC, on behalf of the San Joaquin County Environmental Health Department (EHD), invites public comment regarding consideration by the EHD to grant regulatory closure for the leaking underground storage tank (LUST) case at the subject site (Site) identified below: SUBJECT SITE: Site Name: Three Palms Grocery GeoTracker Global ID No. 70607700821 Site Address: 6732 East Highway 88 SJCEHD Site Code: 1830 PUBLIC COMMENT PERIOD: 60 Days —from October 27 to December 25, 2014 CASE SUMMARY: The EHD and the Central Valley Regional Water Quality Control Board (RWQCB), in cooperation with Leanne Scannavino (property owner and responsible party) and Cardno ATC (environmental consultant) have evaluated soil and groundwater conditions, and potential risk and hazard to human health at the subject Site resulting from an unauthorized release of gasoline from an underground storage tank (UST) system. The unauthorized release from the UST system was discovered in November 1986 and February 2005 when the tanks were removed. At the current time there is not an active UST system on the Site. Soil and groundwater investigations were conducted from 1998 to 2011, to characterize impacted soil and/or groundwater. Cardno ATC determined the extent to which the petroleum hydrocarbons have significantly impacted soil and groundwater. The extent of contamination remained on-site. Soil vapor extraction was conducted from May 2010 to December 2011 to remediate the soil and groundwater at this site. Cardno ATC estimates that approximately 2,665 pounds of contaminants were removed from the site through active remediation. Potential negative effects of the residual contamination on human health and the environment were evaluated by Cardno ATC, and found to be negligible. On the basis of groundwater monitoring and the site characterizations, and the recommendation of Cardno ATC the SJCEHD has concluded that the Site status is protective of the environment and human health for current and future Site use and for adjacent off-site areas. On September 8, 2014, the EHD submitted a Case Closure Summary to the California Region Water Quality Control Board (CRWQCB). Once the EHD receives and responds to comments from CRWQCB and the public, the EHD anticipates issuing a No Further Action Required letter for the subject Site. WHERE TO GET MORE INFORMATION Site information can be obtained from the GeoTracker website at http://geotracker.waterboards.ca.gov/. Upon written request, the Site case file is available for review at the EHD office located at 1868 East Hazelton Avenue, Stockton, California 95205. An EHD file review request form can be obtained from the SJCEHD website at http://www.sjcehd.com. HOW TO PARTICIPATE Interested individuals have the opportunity to learn more about this case and voice concerns regarding its pending closure by submitting comments to Angelica Sandoval Marin at the SJCEHD. Angelica Sandoval Marin can be reached at (209) 468-2807, via e-mail at amarin(a)sicehd.com, or in writing at 1868 East Hazelton Avenue, Stockton, California 95205.