ALL4’s Pennsylvania RACT III Resources

The Pennsylvania Department of Environmental Protection (PADEP) has proposed new Reasonably Available Control Technology regulations (RACT III), published in August 2021.

So, who’s affected?  The RACT III regulations, when promulgated, will impact every major source of ozone precursor pollutants (i.e., nitrogen oxides (NOx) and volatile organic compounds (VOC)) in Pennsylvania.

What about RACT II?  You may have gone through the RACT process in 2016 when the RACT II regulations were promulgated.  The RACT III rule, as proposed, looks a lot like its predecessor; however, that doesn’t mean there’s nothing you need to do! The impacts of the final RACT III regulation on major sources of NOx and VOC could range from administrative items, such as an applicability notification, all the way up to the design, specification, purchase, installation, and permitting of new or additional air pollution control systems.

Have additional questions or want to talk through your RACT strategy?  Call Christine Chinofsky at 610.933.5246 x155 or email at

RACT III Resources:


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