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STATE AF CAI IFORNIA - FnvirnnmPntal Prntertinn AnPnry PFTF W1 Coni Cnvarnnr <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION +; c,!A <br /> 3443 Routier Road, Suite A <br /> Sacramento, CA 95827-3098 �; D s <br /> PHONE: (916) 255-3000 ' 21; P;j 3. 2 <br /> 2 a" <br /> FAX: (916) 255-3015 <br /> 14 February 1994 <br /> Mr. Randy Smith <br /> Southern Pacific Transportation Company <br /> One Market Plaza <br /> San Francisco, California 94105 <br /> SOUTHERN PACIFIC TRANSPORTATION COMPANY, OLD TRACY YARD, <br /> SAN JOAQUIN COUNTY <br /> The enclosed memorandum summarizes our recent review of the case file and your 17 December <br /> 1993 work plan for further site characterization at SPTCo's Old Tracy Yard. The soils at the site <br /> have been contaminated with lead and other metals which may pose a threat to the water quality. <br /> The full lateral and vertical extent of the soil contamination at the site has not been defined, nor has <br /> the potential effect on ground water quality been determined. <br /> There are a number of issues that need to be addressed including what the final soil cleanup levels <br /> will be at the site. However, interim remediation of the soils should begin as soon as possible. <br /> Therefore, by 15 March 1993 please submit a revised work plan which addresses all of the <br /> comments in the memorandum including a schedule for implementation of interim soil remediation. <br /> If you have any questions, please feel free to call me at (916) 255-3077. <br /> w4'ur L ' �tl/1/V <br /> 4,Joel M. Weiss <br /> Engineering Geologist <br /> JMW:jmw/ldj <br /> Enclosure <br /> cc: Mr. Mike Infurna, San Joaquin Public Health Services, Stockton <br /> Ms. Tanya Musselwhite, Industrial Compliance, Sacramento <br /> Gib <br />