Ian Waitz Department of Aeronautics and ... - SERDP-ESTCP

Recommendations

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Aircraft contributions to ambient PM concentration (emissions below 3000 ft AGL only)! µg/m 3 Ratliff et al. REPORT NO. PARTNER-COE-2009-002 • Aircraft contribution to PM concentration less than 0.1% on average! • National ambient air quality standard is 15 µg/ m 3 ! • Strong regional differences in impacts! • 18% of health impacts in LA county, 40% in top 10 counties! • Health risk estimated to be ~ 64 to 270 yearly premature deaths! • ~ $1B/yr damage costs in U.S.! • SOx, NOx dominant sources, followed by primary PM! 12!
Apportionment of AQ impacts  (US-only commercial aviation, CAEP/8 scenario, large engines only, fixed NEI 2001 background, emissions < 3000ʼ, SMATʼd)! Yearly premature deaths! 400! 300! 200! 100! 0! 2010! 2020! 2030! Years! nitrates! sulfates! soot! organics! 13!
Page 1 and 2: Partnership for AiR Transportation
Page 3 and 4: Focus of discussion! • Choices ex
Page 5 and 6: Alternative fuels: importance of li
Page 7 and 8: Some environmental effects of NOx r
Page 9 and 10: Environmental Tool Suite! Environme
Page 11: Variation in air quality (movie of
Page 15 and 16: Surface air quality! • Aviation c
Page 17 and 18: Radiative forcing from aviation 
Page 19 and 20: Aviation climate impacts (30 years
Page 21 and 22: Putting it all together is a challe
Page 23 and 24: Revisiting increased engine certifi
Page 25 and 26: Status of our work! • FAA has mad

Ian Waitz Department of Aeronautics and ... - SERDP-ESTCP

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