EPA Administrator Andrew Wheeler signed the final rule on September 14, 2020, and EPA is submitting it for publication in the Federal Register (FR). Once the official version of this document is published in the FR, this version will be removed from the Internet and replaced with a link to the official version.
Read more >> https://www.epa.gov/sites/production/files/2020-09/documents/prepub-guidance-final-20200914.pdf