CRGAQS: Final 2018 CAMx Results

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CRGAQSFinal 2018 CAMx Results

• Presentation to the
• Gorge Study Technical Team
• By
• ENVIRON International Corporation
• July 11, 2007

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Todays Presentation

• Describe final 2018 CAMx simulations
• Trend lines
• What-if Results

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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)
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August Episode
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August Episode
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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)

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August Episode
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November Episode
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November Episode
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November Episode