Methods Update Rule - 2021
revised EPA methods;
new or revised methods published by voluntary consensus standard bodies, such as ASTM International and the Standard Methods Committee;
new and updated methods developed by the U.S. Geological Survey;
methods reviewed under the Alternate Test Procedures (ATP) program; and
minor changes to quality assurance and quality control within individual methods.
You can view the submitted public comments at regulations gov. The Docket Number is EPA-HQ-OW-2018-0826.
For further information on the proposed rule, please contact Meghan Hessenauer (firstname.lastname@example.org) or 202-566-1040.