HON MACT: Will your company be affected? Answers to your most frequently asked questions. 

The U.S. EPA’s updated HON MACT rule will affect over 200 U.S. synthetic organic chemical manufacturing facilities as well as 
some facilities that produce polymers and resins. The draft rule proposes significant and ongoing requirements for fenceline monitoring. 

Montrose Environmental Group and Sensible EDP are ready to 
help companies navigate the upcoming regulations with advanced field services and data platforms, providing real time monitoring and analysis for a variety of pollutants.

The following pages have some Frequently Asked Questions that can help companies navigate the HON MACT requirement.