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J,,IEO Sr4leS <br /> Z <br /> o < <br /> UNITED STATES ENVIRONMENTAL PROTECTIOAGENCY <br /> � REGION IX <br /> 10 <br /> 4 rRol 75 Hawthorne Street <br /> 1 <br /> San Francisco, CA 94105.3901 <br /> March 3, 1993 RECEIVED <br /> Ip <br /> 0 <br /> Marshall Cloud MAR 1993 <br /> Env. Protection Office, DDRW-Tracy ENVIRONMENTAL HEALTH <br /> P.O. Box 960001 P�RMifii6��1ti6 <br /> Stockton, CA 95296-0250 <br /> RE: DDRW-Tracy Detection Limits <br /> Dear Marshall, <br /> EPA has reviewed the proposed detection limits, per DDRW-Tracy contractor letter <br /> of January 20, 1993. Our comments are attached. <br /> EPA appreciates DDRW-Tracy's work to evaluate detection limits. Please be aware <br /> that EPA believes that dioxins/furans sampling can be managed more cost-effectively than <br /> currently proposed (see attachment). <br /> Please contact me at (415) 744-2392, should you have any questions. <br /> Sincerely, <br /> Michael Work <br /> Federal Enforcement Section I (H-9-1) <br /> Office of Superfund <br /> Attachment <br /> cc: (See Attached List) <br /> Printed on Recycled Paper <br />