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| Newsletters » September 2010
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What’s happening now...
A beta version of EPA’s AERSCREEN screening model was released August 17, 2010. All comments were due back to EPA by September 17. EPA’s schedule is to release the final version of AERSCREEN by the end of the year. You can be sure that the Oris’ version of AERSCREEN will be out shortly after that!
EPA has released 1-hour SO2 modeling guidance, which can be found here.
As always, check with your regulatory agency for project-specific
modeling guidance.

News From BEE-Line Software
Version 1.0 of our brand new Contribution Analyst post-processing program is now available. Although EPA has not yet officially released any guidance on conducting source culpability for the 1-hour NO2 and SO2 standards, Contribution Analyst provides a technically valid methodology for doing so. Always consult with your regulatory agency if you plan to use this tool in your regulatory permit modeling analyses. This release includes the following features:
- Program calculates the contributions of a single source group to the NO2 or SO2 design value concentrations of another source group
- Program writes a text file with information about each receptor analyzed
- Program writes a GRF file useful for plotting source contributions
Contribution Analyst is free to download for all NO2Post, SO2Post, and BEEST users currently in maintenance. Join us on October 21 at 3:00 pm Central Time for a free on-line demo of Contribution Analyst. RSVP here so we can send you the log-in instructions.
BeestXpress
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EnviroMod University
On October 13, 2010, we will be presenting our Air Permitting Basics course. You can still register for this popular one-day online course on the EnviroMod website. For more details about the class, click here.
Our last AERMOD Modeling for Permits class for 2010 will be held in Los Angeles November 9-10, 2010. Don’t forget, regulatory agencies get a 50% discount, and companies sending more than one person to the same course get $100 off the list price for the second and subsequent registrants.
Don’t forget, if your company has quite a few people who need training and time is of the essence, EnviroMod can put together a customized class and come to you. For more details, contact us at (512) 258-8855 or info@oris-solutions.com.
We will be announcing our 2011 training schedule soon. Stay tuned!
Calendar:

Oct 13
online

Nov 9 + 10
Los Angeles, CA
For More Information...
Call us at (512) 258-8855
Visit our websites:
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| December 2009 - January 2010 - February 2010 - March 2010 - April 2010 - May 2010 - June 2010 - July 2010 - August 2010 - September 2010 - October 2010 - November 2010 - December 2010 - January 2011 - February 2011 - March 2011 - April 2011 - May 2011 - June 2011 - July 2011 - August 2011 - October 2011 - November 2011 - December 2011 - January 2012
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