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TENTH INTERIM REPORT OF THE SUBCOMMITTEE ON ACUTE EXPOSURE GUIDELINE LEVELS 12 The time scaling value (n) needs to be either derived from the data or the analysis should default to the SOP values of n=1 or n=3. Editorial Comments Page 16, line 13. Add âHowever,â after â5 daysâ. Page 17, line 8. Add âof after âthresholdâ. Page 17, line 9. Add âofâ after âanalysisâ. Page 17, line 11. Delete âso asâ. Page 17, line 12. Replace âphenomenaâ with âobservationâ. Page 18, lines 12â17. Nasal bleeding is an adverse effect. Was this accurately determined? COMMENTS ON NICKEL CARBONYL At its July 21â23, 2003 meeting, the subcommittee reviewed the AEGL document on nickel carbonyl. The document was presented by Robert Young of Oak Ridge National Laboratory. The subcommittee recommends the following minor revisions. A revised draft can be finalized if the recommended revisions are made appropriately. Specific Comments Page iii, line 30. Provide basis for this assumption. Page 25, line 35. An uncertainty factor should not be used for data deficiency. COMMENTS ON PHOSPHINE At its July 21â23, 2003 meeting, the subcommittee reviewed the AEGL document on phosphine. The subcommittee recommends the following revisions. A revised draft should be reviewed by the subcommittee at its next meeting. General Comments The AEGL-3 values were based on lethality and, in some cases, less than twice the AEGL-2 value. The AEGL-3 derivation is based on lethality and appears appropriate, but the AEGL-2 values are questionable. Differences of only 2-fold have little meaning for uncontrolled acute