New draft Technical Assistance Documents

January 14, 2014

EPA published new draft Technical Assistance Documents for monitoring and modeling Sulfur Dioxide for use in Implementing the new 1-Hour SO2 NAAQS Standard.  Click on the links below to view the documents.

SO2 NAAQS Designations Modeling Technical Assistance Document

SO2 NAAQS Designations Source-Oriented Monitoring Technical Assistance Document