Before revision: At industrial facilities, this type of consequence assessment or emergency planning is required under the Clean Air Act ( United States) ( CAA) codified in Part 68 of Title 40 of the Code of Federal Regulations.
After revision: At industrial facilities, this type of consequence assessment or emergency planning is required under the Clean Air Act ( U.S. CAA) codified in Part 68 of Title 40 of the Code of Federal Regulations.