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October 2016

In this issue of EM, you will find several articles focused on a few of the most salient aspects of the U.S. Environmental Protection Agency's (EPA) proposed changes to 40 CFR Part 51, Appendix W, “Guideline on Air Quality Models”. The final Guideline is expected to be published in fall 2016.


Inside This Month's Issue


Features

Air Quality Modeling
by Anthony J. Sadar

Air Permit Modeling: Where Do We Stand?
by Gale F. Hoffnagle

Prognostic Meteorological Data
by Thomas Wickstrom, Karthikeyan Ramaswamy, and Mark Garrison







Buoyant Fugitive Sources
by George J. Schewe

Using Physical Modeling to Refine Downwash Inputs to AERMOD
by Sergio Guerra and Ron Petersen

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