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ENVIRONMENTAL HEALTH DEPARTMENT <br /> SAN JOAQUIN COUNTY <br /> ,a <br /> Unit Supervisors <br /> aZ Donna K. Heran, R.E.H.S, <br /> 3 <br /> Director 04 East Weber Avenue, Third Floor Carl Bergman, R.E.H.S. <br /> Mike Huggins, R.E.H.S., R.D.I. <br /> Al Olsen, R.E.H.S. Stockton, California 95202-2708 Douglas W. Wilson, R.E. H. S. <br /> • cqc FoR��P • Program Manager Telephone: (209) 468-3420 Margaret Lagorio, R.E.H. S . <br /> Laurie A, Cotulla, R.E.H.S. Robert McClellan, R.E.H.S. <br /> Program Manager <br /> Fax: (209) 464-0138 Mark Barcellos, R.E.H.S. <br /> FLOYD BARNES JUN 0 9 2003 <br /> 9744 FOUNTAIN VALLEY <br /> STOCKTON CA 95209 <br /> RE : Barnes Trucking SITE CODE: 2506 <br /> 1817 Fresno Ave <br /> Stockton CA 95206 <br /> A Corrective Action Plan (CAP) dated November 20 , 2002 was submitted on your behalf by <br /> Clearwater Group, Inc. (Clearwater) to San Joaquin County Environmental Health Department <br /> (SJC/EHD). In correspondence dated February 21 , 2003, SJC/EHD responded to the CAP, <br /> requesting additional data and information be submitted to support the proposals presented by <br /> Clearwater in the CAP . Please refer to the February 21 , 2003 correspondence for a listing of the <br /> specific items requested . <br /> In response to the SJC/EHD request, Clearwater forwarded copies of brief summaries of <br /> short-term pilot studies of the proposed remediation alternative that appear to have been <br /> provided to Clearwater by the vendor. These short-term studies addressed groundwater <br /> remediation , and provided no technical information useful to evaluate suitability of the technology <br /> to the subject site. SJC/EHD has not received data regarding the use of the proposed <br /> alternative's potential to remediate soil contamination. Unanswered is SJC/EHD's question <br /> regarding how mass transport laws that govern the distribution of oxygen render permeability and <br /> hydraulic conductivity properties of the subsurface geologic framework incapablr. of impeding the <br /> injected oxygen from addressing the contaminants,, as intimated-by Clearwater in-the-CAP. <br /> As stated in the February 21 , 2003 letter, SJC/EHD cannot approve a CAP that the consultant <br /> candidly notes is based on "unknown technical feasibility and cost". If you wish to pursue the use <br /> of this method, please submit the previously requested data, including long term technical studies <br /> of the method , and a work plan to conduct a feasibility pilot test. If you are not able to submit the <br /> requested information to SJC/EHD within 14 days from the date of this letter, please submit a <br /> written request for a 30-day extension to submit a revised CAP that directly addresses the known <br /> site conditions and remedial alternatives. <br /> Donna Heran , REHS, Director <br /> Environmental Health Department <br /> Lori Duncan , Senior REHS Nuel C. Henderson, Jr. , RG <br /> LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV <br /> cc: Brian Pierskalla, Clearwater Group <br /> James Barton , CVRWQCB <br />