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E WILSON,Governor <br /> STATE OF CALIFORNIA—ENVIRONMENTAL PROTECTION AGENCY <br /> DEPARTMENT OF TOXIC SUBSTANCES CONTROL <br /> REGION 1 <br /> 10151 CROYDON WAY,SUITE 3 <br /> SACRAMENTO,CA 95827-2106 <br /> (916)255-3545 JUN. 19 1995 <br /> June 15, 1995 ENVIRONMENTAL HEALTH <br /> PERMIT/SERVICES <br /> Mr. Randy Smith <br /> Southern Pacific Transportation Company <br /> One Market Plaza , <br /> San Francisco, California 94105 <br /> LEAD CLEANUP LEVEL IN SOILS, SOUTHERN PACIFIC TRANSPORTATION <br /> COMPANY, OLD TRACY YARD, SAN JOAQUIN COUNTY <br /> Dear Mr. Smith: <br /> Pursuant to your request, the Department of Toxic Substances <br /> Control (DTSC) is writing to confirm the cleanup level for lead <br /> contamination in soil given to you in the April 20, 1995, letter <br /> from the Regional Water Quality Control Board (RWQCB) , Central <br /> Valley Region. In discussing the Site with RWQCB, DTSC <br /> determined that a maximum of 220 mg/kg for total lead <br /> concentrations in soil would be protective of public health for <br /> any land use. This level was obtained using DTSC, s "LeadSpread" <br /> spreadsheet model for the evaluation of hazard from inorganic <br /> lead in soils. <br /> If you have any questions, please contact me at <br /> (916) 255-3709 . <br /> Sincerely, <br /> Eric J. Garcia <br /> Acting Chief <br /> Site Evaluation Unit <br /> Central California Site <br /> Mitigation Branch <br /> cc: Mr. Joel M. Weiss <br /> Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Routier Road, Suite A <br /> Sacramento, California 95827-3098 <br /> EG:kh <br /> EG21-065/10 <br /> K 11 <br /> Printed on N4yUed Paper <br />