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December 2014

In this issue of EM, you will find a discussion surrounding the delays in implementing the sulfur dioxide (SO2) standard, techniques for using air quality models to assess compliance with the standards, and advances in controls to reduce emissions of nitrogen dioxide (NO2) and SO2.


Inside This Month's Issue


Features


Meeting the Challenge of the 1-hr SO2 and NO2 Standards
by Susan Wierman, Jesse Thé, and Gary Bramble


U.S. SO2 Air Quality Standard Requires New Approaches
by Susan Wierman


Practical Measures to Achieve Compliance with the 1-hr SO2 and NO2 NAAQS
by George Schewe and Clay Raasch


Emissions Variability Processor (EMVAP): Design, Evaluation, and Application
by Robert Paine et al.


Innovative Dispersion Modeling Practices to Achieve a Reasonable Level of Conservatism in AERMOD Modeling Demonstrations
by Sergio A. Guerra


Recent Advances in Simultaneous Desulfurization and Denitrification
by Hesheng Yu, Zhongchao Tan, and Jesse Thé





Also In This Issue


IT Insight: Close the Technology Gap to Create More Sustainable EH&S Programs
by Jill Barson Gilbert
Environment, health, and safety (EH&S) is a dynamic, complex world. The pace of regulatory change, the introduction of new risks, and new reporting requirements that call for data from multiple feeds expose the technology gap—the gap between where we are and where we should be to effectively manage EH&S risk and compliance.

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