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AERMOD Meteorological Data Update
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2/18/2013 10:12:21 AM
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On January 18, 2013 the Environmental Protection Agency (EPA) released a new version (13016) of the AERSURFACE preprocessor to AERMOD’s meteorological pre-processor AERMET. The new version incorporates several important changes that can significantly affect the average surface roughness values that are input into AERMET. A summary of the changes to AERSURFACE can be found in the model change bulletin available on EPA’s Support Center for Regulatory Air Quality Models (SCRAM) website. In response to these updates the Department has reprocessed all of the 2005-2009 meteorological datasets using the new version of AERSURFACE.
read more...
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Iowa DNR requests comments from Muscatine County citizens and businesses on EPA proposal to des
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2/8/2013 4:15:25 PM
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The U.S. Environmental Protection Agency (EPA) has recommended that Muscatine County be designated “Nonattainment” for the one-hour sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS). This recommendation is based on EPA’s consideration of data measured at the SO2 monitor located at Musser Park in Muscatine for the period 2008 through 2010, as well as the most recent measured data from 2009 through 2011. read more...
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