1. Westar Technical Committee Westar Spring Business Meeting April 2008 Park City, Utah

2. Technical Committee Modeling Monitoring Emission inventories Data Management

3. Committee Members Alaska - Gerry Guay - Alan Shuler Hawaii - Marianne Rossio –Philip Robbins Washington – Julie Oliver – Mike Ragan Oregon – Phil Allen – Rachel Sakata California – Ajith Kaduwela Idaho – Bruce Louks – Chris Ramsdell Utah – Brock LeBaron– Patrick Barickman Nevada – Brenda Harpring – Frank Forsgren

4. Committee Members (Cont) Nevada – Greg Remer – John Foody Steven Hoelscher – Terry Hall Montana – John Coefield – Cyra Cain Wyoming – Cara Keslar – Josh Nall Ken Rairigh Colorado – Steve Arnold New Mexico – Erik Aaboe – Gi-Dong Kim Sufi Mustafa

5. Committee Members (Cont) North Dakota – Steve Weber South Dakota – Jim Anderson Pima County – Wayne Bird NPS – Don Shepard Mike George BLM – Scott Archer USFS – Mike McCorison Westar – Bob Lebens – Jeff Gabler

6. Conference Call Schedule 4 th Wednesday 10-15 people 6-10 states, local 2-3 Federal agencies

7. Projects Oil and Gas workshops (Fall 2007) PSD increment tracking Regional Haze New PM and Ozone NAAQS National Monitoring Policy Fuels For Schools

8. PM2.5 issues Modeled Background Secondary Particle Formation Stack Emission Test method AP-42?

9. Fuels For Schools Large Bio-mass boilers that often need no permit Poorly designed stacks that downwash onto school playgrounds Located in areas where PM is of concern already Operational issues Fuel switching issues

10. Questions? John Coefield jcoefield@mt.gov 406-444-5272