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0 <br /> ENVIRONMENTAL HEALA DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> UnitSupervisors <br /> Donna K.Heron,R.E.H.S. Carl Borgman,R.E.H.S. <br /> Director 304 East Weber Avenue, Third Floor Mike Huggins,R.E.H.S.,R.D.I. <br /> AI Olsen,R.E.H.S. Stockton, California 95202-2708 Douglas W.Wilson,R.E.H.S. <br /> cq. . �v• Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie A.Cotulls,R.E.H.S. Fax: (209) 464-0138 Robert McClellon,R.E.H.S. <br /> Program Manager Mark Barcellos,R.E.H.S. <br /> RAYMOND GREER ALBERT & WANDA VELDSTRA <br /> RAYMOND GREER CONSTRUCTION 15634 STEINEGUL RD <br /> 1111 1ST ST ESCALON CA 95320 <br /> ESCALON CA 95320 <br /> Re: RAYMOND GREER CONSTRUCTION Site Code: 2021 <br /> 15634 STEINEGUL RD <br /> ESCALON CA 95320 <br /> WORKPLAN:Workglan for Vapor Extraction Pilot Test DATED:June 18.2003 <br /> PREPARED BY: ATC Associates Inc. <br /> APPROVED a See Below <br /> DISAPPROVED ❑ <br /> ADDENDUM ❑ Submit by : <br /> ADEQUATE AND NECESSARY ELEMENTS OF THE WORKPLAN (H&S <br /> 25299.37,subd.(c)(3).): <br /> 1. Conduct one short term soil vapor extraction (SVE) test using vapor well VE2 (50 to <br /> 70 feet bsg) as the point of extraction and VEl and VE3 as observation wells. The <br /> length of the test will be approximately 2 to 4 hours to determine the optimal <br /> extraction flow rate. <br /> 2. Conduct one long term SVE test using VE3 as the extraction point to determine the <br /> radius of influence. <br /> 3. Collect vapor samples for analyses using Stena canisters. <br /> COMMENTS AND CONDITIONS: <br /> 1. Implement the proposed work by September 28,2003. <br /> REASONS FOR DISAPPROVAL OF THE WORKPLAN (H&S 25299.37, <br /> subd.(C)(3).): <br /> None //11 <br /> DATED vac krf zC , 20 0 3 BY l •C v <br /> C: CRWQCB, Central Valley Region—James L.L. Barton,RG <br /> C: ATC and Associates,Inc.—Drew Van Allen <br />