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.ENVIRONMENTAL HEA F� TH DEPARTMENT � <br />� auiN i <br /> SAN JOAQUIN COUNTY Unit Supervisors <br /> Donna K.Heran R.E.H.S. k <br /> c. ' Carl Borgman,R.E.H.S. t <br /> i Director 304 East Weber Avenue; Third Floor <br /> I Mike Huggins,R.E.H.S.,R.D.I. <br /> Al Olsen,R.E.H.S. Stockton, California 9b202-2708 Douglas W.Wilson,R.E.H.S. <br /> �. <br /> • cq �w Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. I <br /> +FOR Laurie A.Cotulla,R.E.H.S. <br /> Fax: (209) 464-0138 Robert McClellon,R.E.H.S. I <br /> Program Manager Mark Barcellos,R.E.H.S. <br /> i <br /> ROBERT GRAY <br /> P G & E <br /> P O BOX 7640 <br /> SAN FRANCISCO CA 94120 <br /> RE: PG&E <br /> }} <br /> 4040 West Lane J <br /> Stockton,CA <br /> WORKPLAN: Workplan Soil Investiation Near Two Fuel Dispensers DATED:01/30/04 <br /> PREP ABED BY: P G&E-TES <br /> i <br /> APPROVED X .i ' <br /> DISAPPROVED ❑ ;i <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 /> .I r <br /> 1. Installation of geoprobe borings and collection of soil samples. A <br /> 2. Laboratory analysis of soil samples from the diesel dispenser geoprobe investigation for total petroleum <br /> hydrocarbons(TPH)as diesel using EPA method 8015M. Laboratory analysis of soil samples from the <br /> UNL1 dispenser geoprobe for TPH as gasoline,BTEY,MIKE,TBA ,and other oxygenated gasoline 4 <br /> additives using EPA method 8260B. <br /> ,i <br /> CONfLMENTS AND CONDITIONS: pk <br /> i <br /> 1. Submit an Environmental Health Department(EHD)well permit application and$89 permit fee. <br /> Once the wellPP <br /> P ermit has been approved,notify EHD of the rproposed schedule for the work. ' <br /> 2. Since Tetrachloroethene(PCE)was found in the soil samples collected beneath the waste oil tank <br /> piping,this contamination must be additionally investigated. Another geoprobe and collection of <br /> soil samples should be performed in this area. The samples should be analyzed for PCE using } <br /> EPA method 8260B. fJ <br /> � <br /> DATED oZ a'�2 0 Lf <br /> By <br /> I <br /> c: CVRWQCB—Jim Barton I <br /> i <br /> E f <br /> I <br /> 9 <br /> f <br />- I <br /> I <br /> f <br />