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�`Joti p:�Vl�ocly f <br /> 9 December 1994` <br /> Page <br /> (1 -'A 3 . " -, I I <br /> sampling of environmental media, analytical diemistry data, and quality assurance <br /> picicedules have been examined by staff of the RWQC©. if inadequacies in this regard for <br /> the purposes of risk assessment were encountered, they are noted . Any future changes or <br /> additions to the document should be clearly identified. <br /> Comments <br /> The work plan is acceptable; it conforms with current Department recommendatinns <br /> expressed in the Preliminary Endangerment Assessment Guidance Manual (DISC, 1994)- <br /> A few procedures seem overly cautinus, such as assuming that a chemical found in any <br /> medium Is a chemical of potential concern In all media. However, given that this is a <br /> screening procedure, cautious assumptions are not inappropriate. We recommend <br /> consultation with HERS staff before risks and hazards are estimated using toxicity criteria <br /> extrapolated to a route of exposure other than the one for which it was published. <br /> Conclusions and Recommendation3 <br /> The work plan is acceptable. Consult with HERS staff regarding toxicity criteria. <br /> /& <br /> Reviewer. Richard A. Becker, Ph.D., D.A.B.T. <br /> Senior Tmdc.olooist, HERS <br /> cc: Dr. C. Salocks, HERS <br /> I <br /> i <br /> i <br /> I <br /> I <br /> i <br /> i <br /> I <br /> I <br /> i <br /> i*00/i*00(n 061Q E60 6002 LU OTS YVJ TZ:ZT t6/60/ZT <br /> C 10 c -d wdaT:7 1,a-7T-7T saOTO UT1JeW :WOJJ owa7 wenMaJOJa Bain :oi <br />