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UPN ENVIRONMENTAL HEALTH DEPARTMENT <br /> Pg <br /> ' SAN JOAQUIN COUNTY <br /> Z� Donna K. Heran, R.E.H.S. Program Coordinators <br /> 304 East WeberAvenue,Third Floor Carl Borgman, R.E.H.S. <br /> Director <br /> Laurie A. Cotulla, R.E.H.S. Stockton,California 95202-2708 Mike Huggins, R.E.H.S., R.D.I. <br /> ;'i 0.0 Assistant Director Telephone: (209)468-3420 Margaret Lagorio, R.E.H.S. <br /> Robert McClellon, R.E.H.S. <br /> Fax: (209)464-0138 Jeff Carruesco, R.E.H.S. <br /> Website:www.sjgov.org/chd/ Kasey Foley, R.E.H.S. <br /> LOLLY BOZZANO <br /> 2891 ARATA ROAD <br /> STOCKTON CA 95215 <br /> RE: Three Palms Grocen' <br /> 6732 Hwy 88 <br /> Stockton,CA <br /> WORKPLAN: Workplan for Additional Vapor Well Installation and Vapor Extraction Tesdn <br /> DATED: November 20 2006 <br /> PREPARED BY:ATC Associates Inc. <br /> APPROVED X <br /> DISAPPROVED ❑ <br /> ADDENDUM ❑ Submit by: <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN [Health&Safety Code(H&S) <br /> Section 25296.10(c)(3)]: <br /> 1. Installation of a vapor extraction well and collection of soil samples. <br /> 2. Laboratory analysis of soil samples for total petroleum hydrocarbons (TPH)as gasoline,BTEX,MTBE, <br /> TBA,and other oxygenated gasoline additives using EPA method 8260B. <br /> 3. Performance of three 5-day events over a three-month period of high vacuum soil vapor extraction to <br /> further evaluate soil vapor extraction as a remedial alternative. <br /> 4. Collection and analysis of vapor samples for VFH,BTEX and MTBE using EPA Test Method TO-14. <br /> COMMENTS AND CONDITIONS: <br /> 1. Submit an Environmental Health Department(EHD)well permit application,$89 permit fee,and <br /> $285 inspection fee. Once the well permit has been approved,notify EHD of the proposed schedule <br /> for the work. <br /> 2. Analysis for 1,2-DCA on the soil and vapor samples should be added to the analytical suite. <br /> DATED L [ l D �O BY A�� <br /> \j <br /> cc: CVRWQCB—Jim Barton <br /> ATC—Jeanne Homsev <br />