1. a Critical Review Committee Chair , Desert Research Institute , Reno , Nevada , USA
2. b Invited Discussant , Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency , Research Triangle Park , North Carolina , USA
3. c Invited Discussant , Mid-Atlantic Regional Air Management Association , Baltimore , Maryland , USA
4. d Invited Discussant , Pinnacle West/Arizona Public Service , Phoenix , Arizona , USA
5. e Invited Discussant , National Park Service-AIR, Colorado State University , Fort Collins , Colorado , USA
6. f Invited Discussant , Chemistry Department , Washington University , St. Louis , Missouri , USA
7. g Contributing Discussant , TropoChem , Palo Alto , California , USA
8. h Contributing Discussant , EPRI , Palo Alto , California , USA
9. i Critical Review Author , Desert Research Institute , Reno , Nevada , USA