Particulate Matter (PM) Pollution

Draft PM2.5 Precursor Demonstration Guidance

This guidance is designed to assist air agencies who may wish to submit PM2.5 precursor demonstrations as permitted by the PM2.5 SIP Requirements Rule. The EPA will accept comments on the draft PM2.5 Precursor Demonstration guidance for 60 days, through the close of business on January 31, 2017.

Webinar Information

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.