V:\corporate\marketing\overview.ppt CRGAQS: Revised/Final 2018 CAMx Results Presentation to the Gorge Study Technical Team By ENVIRON International Corporation.

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Presentation transcript:

V:\corporate\marketing\overview.ppt CRGAQS: Revised/Final 2018 CAMx Results Presentation to the Gorge Study Technical Team By ENVIRON International Corporation July 25, 2007

V:\corporate\marketing\overview.ppt Today’s Presentation Describe revised/final 2018 CAMx simulations –Found inconsistencies in 2018 runs Corrected final emissions merging process –Trend lines –What-if Results

V:\corporate\marketing\overview.ppt Table 6-1. 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)

V:\corporate\marketing\overview.ppt August Trend Lines Mt Zion: Change = Rate = -0.02/year Wishram:Change = Rate = /year

V:\corporate\marketing\overview.ppt November Trend Lines Mt Zion: Change = Rate = -0.07/year Wishram:Change = Rate = -0.09/year

V:\corporate\marketing\overview.ppt WRAP Trend Lines Mt Adams: Change = Rate = -0.06/year Mt Hood:Change = Rate = -0.05/year

V:\corporate\marketing\overview.ppt : August Episode

V:\corporate\marketing\overview.ppt : November Episode

V:\corporate\marketing\overview.ppt 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)

V:\corporate\marketing\overview.ppt What-ifs: August Episode

V:\corporate\marketing\overview.ppt What-ifs: November Episode