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Will <br /> A 19449 Riverside Drive,Suite 230,Sonoma,California 95476 <br /> Telephone: (707)935-4850 Fax (707)935-6649 <br /> www.CRAworld.com <br /> CONESTrlGA-ROVERS <br /> &ASSOCIATES i <br /> PUBLIC NOTICE <br /> Fact Sheet ��BNA4 <br /> Pending Case Closure for Leaking Underground Storage Tank Site ��MM7SE�8Z4L <br /> FEES <br /> TH <br /> Conestoga-Rovers&Associates,on behalf of the San Joaquin County Environmental Health Department(SJCEHD),invites public <br /> comment regarding consideration by the SJCEHD to grant regulatory closure forthe leaking underground storage tank(LUST) <br /> case at the below subject site(Site). <br /> SUBJECT SITE: <br /> Site Name: Shell-Branded Service Station GeoTracker Global ID No.T0607700400 ; <br /> 1 <br /> Site Address:4315 Waterloo Road SJCEHD Site Code:390512 ) <br /> I <br /> PU.BLI.C-COMMENLP-ERIOD:_60,Dayx_—March-28=—May27,-20:14 —.- — <br /> CASE SUMMARY: i <br /> I <br /> The SJCEHD,in cooperation with the responsible parties(BRD Investments Inc.,and Equilon Enterprises LLC dba Shell Oil <br /> Products US(Shell))and the environmental consultant,Conestoga-Rovers&Associates(CRA) have evaluated soil and <br /> groundwater conditions and health concerns at the subject Site resulting from historical unauthorized releases of gasoline from <br /> an underground storage tank(UST)system and from fueling operations. <br /> From December 1994 through December 2013,soil and groundwater samples were collected at the Site in orderto evaluate <br /> the extent of petroleum hydrocarbon-related impacts from the UST system. <br /> In December 1994,the UST system were removed and replaced. In March 2001,the product piping were removed and <br /> replaced. In March 2005,the UST system,consisting of two USTs,four dispensers,and associated product piping were <br /> removed and replaced. During the removal of the UST systems approximately 1,300 tons of contaminated soil were excavated <br /> and removed from the Site. The groundwater plume is approximately 250 feet in length and extends off-site towards the <br /> northeast. The contaminants have decreased significantly due to the cleanup activities performed by Shell,as well as natural <br /> attenuation processes that continue to break down the chemicals in soil and groundwater. It is estimated that approximately <br /> 3.5 pounds of gasoline constituents remain in soil and approximately 1.5 pounds of gasoline constituents remain in <br /> groundwater beneath the Site. <br /> CRA has reviewed and evaluated groundwater monitoring data forthis site and has concluded there is no longer a significant <br /> threat to human health or the environment. <br /> _ After receipt of notification that_a11_case closu.r_e-a.ctiviti.es-bave_been-completed,the-SJCEHD-int�d,,AG-issue-a-No-F-u#-her - <br /> Action Required letter for the subject Site,providing that no compelling reason to keep the site active arises during the public <br /> comment participation period. { <br /> WHERE TO GET MORE INFORMATION <br /> Site information can be obtained from the GeoTracker website at http://geotracker.waterboards.ca.gov/. Upon written <br /> request,the Site case file is available for review at the SJCEHD office located at 1868 East Hazelton Avenue,Stockton,California <br /> 95205. An SJCEHD file review request form can be obtained from the SJCEHD website at http://www.sjcehd.com. <br /> HOW TO PARTICIPATE <br /> Interested individuals have the opportunity to learn more about this case and voice concerns regarding its pending closure by <br /> submitting comments to Ms.Angelica Marin of SJCEHD by May 23,2014. Ms.Marin can be reached at(209)468-2807,via e- <br /> mail at amarin@sjcehd.com,or in writing at 1868 East Hazelton Avenue,Stockton,California 95205. <br /> I <br /> j <br /> Equal <br /> Employment Opportunity <br /> I+' Employer <br /> 1 <br /> I <br /> Worldwide Engineering,Environmental,Construction,and IT Services <br />