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FILE COPY <br /> ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAS JOAQUIN COUNTY <br /> o° : c Unit Supervisors <br /> Donna K.Heran R.E.H.S. Carl Borgman,R.E.H.S. <br /> a: a 304 East Weber Avenue, Third Floor <br /> Director Mince Huggins,R.E.H.S.,R.D.I. <br /> Al Olsen,R.E.H.S. Stockton, California 95202-2708 <br /> Douglas W.Wilson,R.E.H.S. <br /> Via, �r�P• Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> oit Laurie A.Cotulla,R.E.H.S. . Fax: <br /> McClellon,R-E.H.S. <br /> Program Manager FaX: (209}464-0 38 Mark Barcellos,R.E.H.S. <br /> WALTER SHOCKEY <br /> CIO LEE SHOCKEY <br /> 117 GOODALE CT <br /> MANTECA CA 95337 <br /> RE: SHOCKEY TRUCKING SITE CODE: 2581 <br /> 850 MILGEO <br /> MANTECA <br /> WORK PLAN: ADDITIONAL SITE ASSESSMENT AND FEASIBILTY STUDY WORK PLAN <br /> DATED: JUNE 7,2002 <br /> PREPARED BY:AGE <br /> APPROVED: [x] <br /> I A PR VED: L JJ <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORK PLAN[H&S 25299.37,subd(c)(3)1: <br /> 1. Install one monitoring well to define the extent on groundwater contamination down gradient of <br /> MW#2. <br /> 2. Complete three dual ozone sparge wells in the source near MW#4 and down gradient near <br /> 3. Perform a 6 month ozone sparging feasibility study. <br /> 4. Submit a report of finding by September 16,2002. <br /> COMMENTS AND CONDITIONS: <br /> 1. Secure required EHD permits. <br /> 2. Obtain Clean Fund preapproval for all costs. <br /> _—; 3. Prepare a Corrective Action Plan including feasibility studies with comparisons. <br /> 4. The"Tri-Regional Board Staff Recommendations For Preliminary Evaluation and Investigation of <br /> Underground Tank Sites"along with its"Appendix A"and"Appendix B"should be used as guidance <br /> documents. All work and reports which require geological or engineering evaluation must be <br /> performed under the direction of an appropriate California registered or certified professional. <br /> DATED 6 c/ 02 BY <br /> Harlin KnollSenior REHS 209 468-3442 <br /> cc: AGE <br />