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STF7�T715 <br /> .Ohl gem 3330 Cameron Park Drive Suite 550 Cameron Park CA 95682 <br /> Phone:(530)676-6004 Fax(530)676-6005 <br /> PUBLIC NOTICE FOR CLOSURE OF ENVIRONMENTAL CASE <br /> Knowles Property,7835 Thornton Road(aka 1140 W.Hammer Lane),Stockton,California <br /> Background <br /> The subject property is a vacant lot located at the southwest corner of the intersection of West <br /> Hammer Lane and Thornton Road. dMoround storage tank(UST) fuelicle fuels were dto the storage system in n the late <br /> ce at the <br /> subject property from a historical g <br /> rently <br /> 1980's, and San JoaquinCounty <br /> case at the arela ngholthsartment condtion.JC5 nco) this time, <br /> regulates an environment petroleum <br /> numerous actions have been he subsurface Atrelatively gate large excavation, extendingtoa maximum <br /> hydrocarbon impact to t <br /> depth of approximately 35 feet below ground surface, was completed in order to remov <br /> impacted soils from the subs rface.wBetween <br /> Sept interval Ohrough a network of injection12 and Apr-it 2015, ozone, a swells.. <br /> oxidant, was injected into thegroundwaterhydrocarbons to <br /> Application of ozone results in <br /> a chemine applied w thin cal reaction that c the area an do petroleum <br /> is to with the highest <br /> carbon dioxide and water. <br /> undwater. Groundwater samples were <br /> remaining concentrations of pet, hydrocarbons <br /> the injection oarea to eval ate remedial performance. <br /> collected from monitoring wells located n <br /> This data has indicated a substantial reduction in the concentrations of fuel contaminants in <br /> groundwater. <br /> Proposed Closure of Environmental Case <br /> Based on a review of available data, the subject property has been remediated toa to di ion that of <br /> will allow for SJCEHD to close out the environmental case on the property <br /> undero the owner of the subject property indicating that <br /> the State Water Resources Control Board's' Low Threat Closure Policy'. Given this condition, <br /> on April 9, 2015, SJCEHD issued a Tette <br /> necessary.Yer <br /> fore <br /> further remediation and testing of groundwa er quality <br /> was <br /> ng the pend pending c osurevaerrebbeing <br /> the environmental case can be closed, comments <br /> solicited. opportunity <br /> Further Information and Public Comment O bpc comments regarding the <br /> Between May 1 and June 30, 2015, SJCEHD will submitted accepting p <br /> iel Gonzalez, <br /> Corrective Action. Comments should ba 95205. Mr. Gonzalez zomay alsorbe reached at <br /> al <br /> proposed <br /> 1868 East Hazelton Avenue, Stockton, California <br /> a onzal s.cehd.com or(209)468-3442. For further information regarding the envirooTracker nmental <br /> se 7835 Thornton Roa , please reference the Forte of further lifornia's Geinformation nformation regarding theeState <br /> ca site 7060770007 <br /> (geotracker.w . a.go y' we suggest entering the words <br /> gg <br /> Water Resources Control Boards `Low Threat Closure engine; <br /> this should provide a link to a PDF <br /> `Low Threat Closure Policy' into an Internet search engine; <br /> version of this document within a State of California website(waterboards.ca.gov). <br /> Ii�,U � 9q 73 55 �opolm Id <br /> b C ova o� � <br /> s <br />