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FILE COPY <br /> ENVIRONMENTAL HEALTki)EPARTMENT <br /> Q Lf I ly <br /> °P• :.... - SAN JOAQUIN COUNTY <br /> u�i:' ;j\_ ;a Donna K.Heran,R.E.H.S. Unit Supervisors <br /> Director 304 East Weber Avenue,`Third Floor Carl Borgman,R.E.H.S. <br /> •: . `• Al Olsen,R.E.H.S., Stockton, California 95202-2708 Mike Huggins,R.E.H.S.,R.D.I. <br /> cQf . �P Program Manager Telephone: 209 468-3420 Douglas W.Wilson,R.E.H.S. <br /> _o <br /> Laurie A.Cotulla,R.E.H.S. h { Margaret Lagorio,R.E.H.S, <br /> Program Manager Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Mark Barcellos,R.E.H.S. <br /> GINA VELLA <br /> VELLA ENTERPRISES <br /> P O BOX 28010 <br /> SAN JOSE CA 95159 <br /> RE: Universal Sweeping Services <br /> 1113 Shaw <br /> Stockton,CA <br /> WORKPLAN: Interim Soil Remediation Work Plan DATED:05/13/03 <br /> PREPARED BY: Advanced GeoEnvironmental.Inc. <br /> APPROVED X J <br /> DISAPPROVED ❑ f <br /> ADDENDUM ❑ Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health&Safety Code (H&S) <br /> Section 25299.37(c)(3)1: <br /> 1. Excavation of a limited volume of hydrocarbon-impacted soil(approximately 100 tons) and collection of <br /> soil samples. <br /> 2. Laboratory analysis of soil samples for total petroleum hydrocarbons(TPH)as gasoline and diesel using <br /> EPA method 8015 Modified,BTEX by EPA method 8020,and 1VITBE,'IBA,and other oxygenated <br /> gasoline additives using EPA method.8260B. <br /> CO.NDJ BNTS AND CONDITIONS: <br /> 1. The sample from beneath the underground storage tank was taken at about 12 feet below ground <br /> surface and the sample from beneath the dispenser was collected at about 2 feet below ground I <br /> surface,the excavation should not extend more than 10 feet below either of these sample locations <br /> without agreement from EHD. Work plan Figure 2'shows proposed excavation of 15'X 10'X15'. <br /> Excavation dimension should depend on contamination observed in areas. a <br /> REASONS FOR DISAPPROVAL,OF THE WORKPLAN(H&S Section 25299.37(c)(3)); <br /> DATED 0 BY <br /> Cc: CVRWQCB—Jim Barton <br /> Advanced GeoEnvkonmental—Bob Marty I <br /> i <br />