U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
(a) Your state submits or reports data by providing it directly to EPA.
(b) The latest information on data reporting procedures is available at the following Internet address: http://www.epa.gov/ttn/chief. You may also call our Info CHIEF help desk at (919) 541-1000 or e-mail to [email protected].
