1. CRGAQS: Final 2018 CAMx Results
Presentation to the
Gorge Study Technical Team By
ENVIRON International Corporation
July 11, 2007

2. Today’s Presentation Describe final 2018 CAMx simulations Trend lines
What-if Results

3. Mt Zion (Extinction, 1/Mm) Wishram (Extinction, 1/Mm)
Table Days chosen from the August 2004 episode as “high” PM extinction days for the calculation of visibility trend lines.
Mt Zion (Extinction, 1/Mm)
Wishram (Extinction, 1/Mm)
8/10 (58)
8/12 (34)
8/11 (58)
8/13 (55)
8/12 (59)
8/14 (49)
8/13 (48)
8/15 (36)
8/14 (51)
8/19 (35)
8/15 (51)
Table 6-2. Days chosen from the November 2004 episode as “high” PM extinction days for the calculation of visibility trend lines
Mt Zion (Extinction, 1/Mm)
Wishram (Extinction, 1/Mm)
11/6 (350)
11/8 (323)
11/8 (277)
11/10 (276)
11/9 (504)
11/11 (272)
11/13 (293)
11/12 (434)
11/16 (348)
11/13 (322)
11/14 (327)

4. August Episode

5. August Episode

6. What-if Scenarios Case 01 – zero Boardman emissions
Case 02 – zero NH3 emissions for PSAT region 5 (east of Gorge)
Case 03 – zero on-road mobile source emissions for PSAT region 2 (Portland and Vancouver)
Case 04 – zero major point source emissions for PSAT region 2
Case 05 – zero major point source emissions for PSAT region 1 (in-Gorge)

7. August Episode

8. November Episode

9. November Episode

10. November Episode