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1 • <br /> California Regional Water Quality Control Board <br /> Central Valley Region ri <br /> Robert Schneider,Chair <br /> Winston H.Hickox Gray Davis <br /> Secretaryfor Sacramento Main Office Governor <br /> Environmental Internet Address: http://www.swrcb.ca.gov/rwgcb5 <br /> Protection 3443 Routier Road,Suite A,Sacramento,Califomia 95827-3003 r� <br /> Phone(916)255-3000•FAX(916)255-301¢�r�CE vn ED <br /> 9 July 2003 i11Vju1L�� <br /> JUL 10 2003 <br /> Ronald A. Burt ENVi PERMIT/SERVICES <br /> HEALTH <br /> Patterson Planning& Services, Inc. <br /> 4525 West End Avenue <br /> Suite 215 <br /> Nashville, TN 37205 <br /> REVIEW OF REQUEST FOR GROUNDWATER REMEDIATION SYSTEM <br /> MODIFICATION LETTER, KEARNEY KPF, STOCKTON, SAN JOAQUIN COUNTY <br /> We have reviewed the 30 June 2003 Request for Modification of the Groundwater Remediation <br /> System (Letter) submitted by Dudek & Associates, Inc. on behalf of Kearney-National, Inc. <br /> (Kearney) for the Keamey-KPF facility at 1624 East Alpine Avenue in Stockton. The Letter <br /> requests to remove the liquid phase carbon (LPC) step from the groundwater treatment system <br /> because the ultraviolet light,hydrogen peroxide dosing, and air stripper are effectively removing <br /> pollutants from the extracted groundwater. The Letter states the LPC is an unnecessary extra <br /> step, and problems with the LPC are potentially preventing the system from moving out of the <br /> prove-out phase into the full-scale remediation. <br /> Regional Board and Department of Toxic Substance Control (DTSC) staff does not object to <br /> removing the LPC from the treatment system train. As requested in Regional Board staff's <br /> 20 May 2003 letter, by 29 August 2003,please submit a supplement to the April 2003 Treatment <br /> System Prove-Out Report that describes the evaluation and implementation, if appropriate, of <br /> DTSC's recommendations and work performed to move the system into full-scale remediation. <br /> If you have any questions, you may contact me at(916) 255-3119 or by email at <br /> lewisd@rb5s.swrcb.ca.gov. <br /> DEVRA LEWIS <br /> Environmental Scientist <br /> cc: Mr. Doug O'Neal, Department of Toxic Substances Control, Sacramento <br /> Mr. Harlin Knoll, San Joaquin County Environmental Health Department, Stockton <br /> Kearney National, Inc., New York,NY <br /> Mr. H. Derrick Peterson, Esq., Austin, TX <br /> Mr. Peter Quinlan, Dudek& Associates, Encinitas <br /> California Environmental Protection Agency <br /> ea Recycled Paper <br /> The energy challenge facing California is real. Every Californian needs to take immediate action to reduce energy consumption. <br /> For a list of simple ways you can reduce demand and cut your energy costs,see our Web-site at http://www.swrcb.ca.gov/mgcb5 <br />