1. Reasonable Progress for Additional Class I Areas
Class I Areas nearby Colorado

2. Reasonable Progress for Additional Class I Areas:
The 309 path allows other Class I areas to be added to Colorado Plateau. The 309 strategies can be applied to these areas
Declaration must be made in initial 309 SIP
Analysis of strategy options and source/receptor relationships included in 2003 SIP submittal

3. WRAP Reports: Reasonable Progress for
Class I Areas Outside Colorado Plateau
Summary of Visibility Benefits of Annex Milestones versus Command & Control with uncertainty
Class I areas on Colorado Plateau
Best 20% days: The same or better in all 16 GCVTC Class I Areas
Worst 20% days: The same or better in 15 of the 16 GCVTC Class I Areas (exception is Petrified Forest)
Other Class I Areas in the contiguous WRAP Region
Best 20% days: The same or better in all but one Class I Area (exception is Chiricahua Wilderness)
Worst 20% days: The same or better in all Class I Areas
Class I Areas in AR, MI, MN, MS, OK, and TX
The same or better on the Best 20 % and Worst 20% Days

4. WRAP Reports (cont.)
Presumptive glide path analysis for all Class I areas defined in slide 2 – late October 2002
Analysis of the effect of all 309 regional control strategies combined for comparison with presumptive glidepath – early 2003