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and do not pose a u,eat to human health or other sensit,,-a receptors. <br /> The release of gasoline to subsurface soils was stopped during the.upgrading of <br /> the USTs in 1998 and the replacement of the fuel dispenser piping in 2004. MTBE <br /> concentrations in groundwater at the site and offsite areas.-to the east have <br /> decreased dramatically over the last seven years to the point where existing <br /> contaminant levels-are expected to attenuatewithout migrating beYond the:current <br /> plume boundary. The residua.I gasoline constituents in~soil and-groundwater,are <br /> unlikely to pose a threat to human health orfurther degrade waters of the:state.'1t is <br /> estimated that MTBE concentrations will reach-background tlevels via natural attenuation within within 11 years. { <br /> Central Valley Water Board staff conducted a review1of Gasamat;0'il Corporation of <br /> Colorado's request for regulatory closure for the site, and based on-the data presented, <br /> believes there is merit to the request. After®2014, Central Valley Water Board <br /> staff intends to complete its closure review process and close this former leaking 'UST <br /> case. w <br /> WHERE DO I GET MORE INFORMATION? <br /> General Information regarding-.the site•can be-.obtained-obtainedGeoTracker web site <br /> at: http://geotracker:waterb'oards.ca.'I and the`;casekfile for the site is_available for` <br /> review at the Central Valley Water Board main office-located at.11020 Sun Center Drive <br /> #200, Rancho Cordova, California 95670. <br /> HOW-DO I PARTICIPATE? ,t f <br /> Any interested individual has the opportunity to learn more,,; bout the case and its <br /> pending closuree-b ,submitting comments to James.Barton withthe Cent_raI Valley Water <br /> Board by ,Mr. Barton can be reached-at <br /> (916) 464-4615,-via e-mail..at:jim.barton@waterboards.ca'gov or in writing at <br /> 11020 Sun Center Drive #200, Rancho Cordova, Califorriia"95670. <br /> m int <br /> 1 <br />