1. TLV and BEI Committees: TLV ® and BEI ® Committees: The Decision Making Process Presented at AIHce May 13, 2003, Dallas, TX Bill Wells PhD, CIH, CSP, Moderator Dennis Casserly, PhD, CIH & Marilyn Hallock, CIH Monitors

2. Forum Overview Pat Breysse: Introduction Lisa Brosseau: TLV ® -CS Committee Larry Lowry: BEI ® Committee Tom Bernard: TLV ® -PA Committee Ken Martinez: Bioaerosols Committee

3. ACGIH, ® the TLVs ® and BEIs ® Patrick N. Breysse, PhD, CIH Johns Hopkins University Bloomberg School of Public Health Chair, ACGIH ®

4. What Is ACGIH ® ? Membership Society (founded in 1938) Not-for-profit, Non-governmental Association (501(c)(6) organization) Multi-Disciplinary Membership Traditionally Neutral on Public Positions

5. Membership April 2003 Government & Academia Private Industry & Others

6. Membership by Profession, 2003 Industrial Hygienist39% Administrator/Manager12% OH&S Professional6% Environmental Professional4% Safety Professional3% Other (Engineer, Scientist, Toxicologist, Professor, etc.) ~36%

7. Technical Committees Committees provide the creativity, initiative, and technical expertise that has made ACGIH ® what it is today and what it will be tomorrow..

8. Core Mission

9. ACGIH ® Statement of Position ® ACGIH ® is not a standards setting body. ®® TLVs ® and BEIs ® – Are an expression of scientific opinion. Are not consensus standards. ®®Are based solely on health factors; it may not be economically or technically feasible to meet established TLVs ® or BEIs ®.

10. ACGIH ® Statement of Position ®® TLVs ® and BEIs ® – Should NOT be adopted as standards without an analysis of other factors necessary to make appropriate risk management decisions. ® ®Can provide valuable input into the risk characterization process. The full written Documentation for the numerical TLV ® or BEI ® should be reviewed.

11. Conflict of Interest Basis for Conflicts of Interest: –Employment –Financial benefit –Personal –Professional Avoid perceived as well as real conflict of interest

12. Conflict of Interest Committee members serve as individuals –they do not represent organizations and/or interest groups Members are selected based on expertise, soundness of judgement, and ability to contribute

13. COI Process at ACGIH ®

14. Today’s Roundtable Chemical Substances - TLV Biological Exposure Indices (BEI) Physical Agents – TLV Bioaerosols Committee