1. 1 Brian Finneran, Oregon DEQ WRAP IWG Meeting, Portland August 2006 A First Look at Interstate Haze Transport at 2 Border Oregon Class I Areas: Mt. Hood Class I Area Hells Canyon Class I Area

2. 2 Kalmiopsis Mt. Hood Mt. Jefferson Mt. Washington Three Sisters Diamond Peak Crater Lake National Park Gearhart Mountain Mountain Lakes Strawberry Mountain Strawberry Mountain Eagle Cap Hells Canyon Oregon Class I Areas

3. 3 Oregon IMPROVE Sites Kalmiopsis Mt. Hood Mt. Jefferson Mt. Washington Three Sisters Diamond Peak Crater Lake NP Gearhart Mtn. Mountain Lakes Strawberry Mtn Eagle Cap Hells Canyon I I I I I I MOHO1 THSI1 CRLA1 KALM1 STAR1 HECA1

4. 4 Mt. Hood Hells Canyon Two Border Class I Areas for this review

5. 5 MOHO1 MT HOOD STAR1 STARKEY WHPA1 WHITE PASS HECA1 HELLS CANYON MORA1 MT RANIER SAWT1 SAWTOOTH IMPROVE Sites near Mt. Hood IMPROVE Sites near Hells Canyon O R E G O N W A S H I N G T O N I D A H O Portland Boise Seattle 100 miles

6. 6 IMPROVE Sites near Mt. Hood Baseline Aerosol, Glide Slope, DNC 20% Worst Days (2000-2004) MT. HOOD WHITE PASS MT. RANIER Baseline: 37.5 Mm-1Baseline: 27.09 Mm-1 Baseline: 51.81 Mm-1

7. 7 IMPROVE Sites near Mt. Hood Aerosol Species Comparison 20% Worst Days (2000-2004) MT. HOODWHITE PASSMT. RANIER

8. 8 IMPROVE Sites near Mt. Hood Aerosol 20% Worst Days by Month (1997-2002) MT. HOOD WHITE PASS MT. RANIER

9. 9 IMPROVE Sites near Mt. Hood 20% Worst Days by Month (1997-2002) MT. HOOD WHITE PASS MT. RANIER

10. 10 Annual Wind Rose for Blue Ridge RAWS Site (near Mt. Hood) (2000-2004)

11. 11 Portland Seattle Boise B B B B B B B B B B B B Mt. Hood HellsCanyon B B B B B B B B BART Sources in WA, OR and ID B B 100 miles W A S H I N G T O N O R E G O N I D A H O

12. 12 IMPROVE Sites near Hells Canyon Baseline Aerosol, Glide Slope, DNC 20% Worst Days (2000-2004) HELLS CANYONSTARKEY SAWTOOTH Baseline: 58.14 Mm-1 Baseline: 32.77 Mm-1 Baseline: 58.07 Mm-1

13. 13 IMPROVE Sites near Hells Canyon Aerosol Species Comparison 20% Worst Days (2000-2004) HELLS CANYON STARKEYSAWTOOTH

14. 14 IMPROVE Sites near Hells Canyon Aerosol 20% Worst Days by Month (1997-2002) STARKEY HELLS CANYON SAWTOOTH

15. 15 IMPROVE Sites near Hells Canyon 20% Worst Days by Month (1997-2002) HELLS CANYON STARKEY SAWTOOTH

16. 16 Winter Wind Rose for Snake River RAWS Site (near Hells Canyon) (November–February 2002)

17. 17 Portland Seattle Boise B B B B B B B B B B B B Mt. Hood HellsCanyon B B B B B B B B BART Sources in WA, OR and ID B B W A S H I N G T O N O R E G O N I D A H O 100 miles

18. 18 Large NOx Emission Sources near Hells Canyon

19. 19 QUESTIONS?