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FILE' '- ..zL,:. E <br />3330 Cameron Park Drive, Ste 550 <br />Cameron Park, California 95682 <br />(530) 676-6004 - Fax: (530) 676-6005 <br />STRA7715 <br />ENVIRONMENTAL, INC. <br />April 24, 2017 <br />Project No. 2154-1817-01 <br />Ms. Vera Fischer, P.G. <br />California Regional Water Quality Control Board <br />Central Valley Region <br />11020 Sun Center Drive, Suite 200 <br />Rancho Cordova, California 95670 <br />Re: Work Plan for Additional Site Assessment <br />Former Barnes Trucking Facility <br />1817 South Fresno Avenue <br />Stockton, California <br />Dear Ms. Fischer: <br />Stratus Environmental, Inc. (Stratus) has prepared this Work Plan for Additional Site <br />Assessment (Work Plan) on behalf of Mr. Floyd Barnes, for the Former Barnes Trucking <br />facility located at 1817 South Fresno Avenue, Stockton, California (the Site, see Figures <br />1 through 4). Petroleum hydrocarbon impact to the subsurface has previously been <br />documented at the subject property, and the California Regional Water Quality Control <br />Board (RWQCB) currently oversees an environmental case for the Site. Stratus has been <br />utilizing ozone injection (OD technology at the subject property since April 2016 in order <br />to conduct remediation of groundwater. After reviewing the results of first quarter 2017 <br />groundwater sampling, Stratus forwarded these results to the RWQCB by e-mail (on <br />April 5, 2017) and requested that the agency consider allowing the remedial effort to be <br />discontinued and to begin managing the environmental case to closure. After conducting <br />a site review, the RWQCB issued a letter, dated April 13, 2017, indicating that OI <br />remediation at the Site must continue, based on a determination that the Site did not meet <br />the groundwater media specific criteria of the State Water Resources Control Board's <br />'Low Threat Closure Policy'. In addition, the RWQCB identified data gaps regarding <br />assessment of petroleum hydrocarbon impact at the Site and requested a work plan to <br />conduct vertical and lateral assessment of fuel contaminant impact, and to perform a soil <br />gas survey. Stratus is therefore submitting this Work Plan, on behalf of Mr. Barnes, to <br />satisfy the requests of the RWQCB for additional assessment of fuel contaminant impact <br />at the subject property. Information regarding the proposed scope of work is described in <br />the following subsections of this Work Plan. <br />K:Etames Trucking\Work Plans\barnes trucking work plan 2017.doc