Slide 1 Slide 2 What is Regional Haze? July 1, 1999 – EPA promulgated Regional Haze Regulations Regional haze is visibility impairment caused by the cumulative air pollutant…

Slide 11 Slide 2 Uniform Rate of Reasonable Progress Glide Path Wichita Mountains – 20% Worst Days Environ/UCR CENRAP Modeling Results, June 6, 2007 Baseline Conditions…

1. Design, Permitting and Construction Considerationsfor Marcellus Shale Gas Compressor StationsAir Quality PermittingAll4, Inc.Roy Rakiewicz – Senior Consultant John Slade…

Assessing the Parameterization of NOx Emissions By Lightning in GEOS-Chem with HNO3 Columns from IASI Assessing the Lightning NOx Parameterization in GEOS-Chem with HNO3…

R C Hudman, D J Jacob, S Turquety, L Murray, S Wu, Q Liang,A Gilliland, M Avery, T H Bertram, E Browell, W Brune, R C Cohen, J E Dibb, F M Flocke, J Holloway, A Newman, X…

Folkert Boersma Reducing errors in using tropospheric NO2 columns observed from space What is so uncertain about emissions? quantities locations times trends Main use of…

The Impact of Megacities on Air Pollution and Climate Presented by: Rawan El-Afifi Chris Forehand Lucas Henneman The Impact of Megacities on Air Pollution and Climate Introduction…

ASSESSING ORGANIC MASS FROM MASS CLOSURE: COMPARING ATLANTA â99 WITH ESPâ01 AND â02. K. Baumann, M.E. Chang, V. Dookwah, S. Lee, A.G. Russell School of Earth and Atmospheric…

OMI Tropospheric NO2 in China Dasa Gu EAS 6410 NO2 in Troposphere Nitrogen dioxide is an important chemical species in both the stratosphere, where it plays a key role in…

R C Hudman, D J Jacob, S Turquety, L Murray, S Wu, Q Liang,A Gilliland, M Avery, T H Bertram, E Browell, W Brune, R C Cohen, J E Dibb, F M Flocke, J Holloway, A Newman, X…