Initiatives Oversight Committee Update on Other Activities Rick Sprott Utah Division of Air Quality WRAP Board Meeting Portland, OR April 2, 2003

Projects Highlighted Today Economic Analysis Framework Emissions In and Near Class I Areas NOx and PM from Stationary Sources

Economic Analysis Framework Purpose of the framework Support policy decisions and public outreach by WRAP members for haze and other regional air quality issues Promote consistency in methods, assumptions, and data sources

Economic Analysis Framework About the framework Guidance document tailored to the WRAP Specific and practical recommendations to address costs, benefits, regional economic impacts, and distributional issues Draft available in mid-April

Emissions In/Near Class I Areas Why In/Near Potential for disproportionate impacts Complement regional strategies Help achieve reasonable progress Completing micro-inventory of emissions inside 8 Class I areas National Park Service funding 20 more Completing inventory of emissions near all WRAP Class I areas (within 50 km)

Point Sources Near Gila Wilderness

Area Sources Near Joshua Tree

Stationary Source NOx and PM Report required as part of 309 SIPs Assess control strategies & degree of improvement Evaluate need for milestones to prevent increases Evaluate potential for multipollutant and multisector trading Also a starting point for BART (or alternative) requirements in 308 SIPs and 309 SIP revisions

Stationary Source NOx and PM Summary of emissions and ambient monitoring data Summary of control technologies Regional air quality modeling State of science (atmospheric) Draft available in early May