CC-10-044: Promulgated Revisions to Test Methods 201A and 202 for PM2.5 and Condensible Particulate Matter
In the December 21, 2010 Federal Register, EPA published a final rule promulgating revisions to EPA Methods 201A and 202 to allow the measurement and reporting of primary (filterable plus condensable) PM10 and PM2.5 emissions from stationary sources.