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ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN J AQUIN COUNTY 1 <br /> Unit Supervisors <br /> Donna K.Heran,R.E.H.S. Third Floor' <br /> Director <br /> 304 East Weber Avenue, Carl.Bor7man. R.E.H.S. <br /> • Al Olsen,R.E.H.S. Stockton. California 95202-2708 Mike Huggins, S., R.D.I. <br /> Douglas W. Wilson, <br /> R.E.H.S. <br /> c4�iFOR��P Program Manager Telephone: (209) 468-3420 Margaret Lagorio,R.E.H.S. <br /> Laurie A.Cotulla,R.E.H.S. Robert McClellon,R.E.H.S. <br /> Program Manager Fay: (_09) 464-0138 <br /> Mark Barcellos,R.E.H.S. � <br /> November 15, 2004 <br /> Judy McCambell <br /> Tandy Corporation 003 <br /> 100 Throckmorton St., Suite 811 - <br /> QJ <br /> Fortworth, TX 76102 <br /> RE: Remediation Plan,World Enterprises Site,Stockton,California,(SWIS#39-AA-0035) <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed the Remediation Plan <br /> from URS dated October 22"d,2004. The EHD has the following comments: <br /> 1. The remediation plan for the proposed ventilation system must be submitted to the San <br /> Joaquin County Air Pollution Control District for approval. <br /> 2. The remediation plan does not define what the "short-term vapor extraction pilot test" is, <br /> and how it will be conducted and evaluated for remediation of the site. <br /> 3. The remediation plan lacks precise locations and descriptions of the two ventilation wells. <br /> 4. The remediation plan does not address what corrective actions need to be taken to protect <br /> the public health, safety, and the environment in accordance to Title 27 California Code of <br /> Regulations(27 CCR) Section 20937(x)(4). <br /> 5. The gas control system described in the remediation plan has not been designed by a <br /> registered civil or mechanical engineer in accordance to 27 CCR 20937(a)(5). <br /> Pursuant to 27 CCR 20919 and 20937, the EHD does not approve the remediation plan submitted <br /> by URS. The passive venting of landfill gas through the use of ventilation wells is not a suitable <br /> remediation for the site. <br /> The EHD is requiring that an appropriate gas control system be planned and designed for <br /> remediation of the site as described in 27 CCR 20919 and 20937(a). <br /> The EHD is requiring that a revised remediation plan be submitted within fourteen (14) days <br /> receipt of this letter. <br /> If you have any questions,please contact Ted Tasiopoulos R.E.H.S.at(209)953-7698. <br /> Obert McC el on, Supervisor R.E.H.S. <br /> Environmental Health Department <br /> CC: Jay Kamine, URS - <br /> John Macanas,CIWMB, MS-20 <br />