U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
The attainment date for the secondary NAAQS for sulfur dioxide for Salt Lake County and portions of Tooele County is December 31, 1994.
Regulations most recently checked for updates: Aug 27, 2025
The attainment date for the secondary NAAQS for sulfur dioxide for Salt Lake County and portions of Tooele County is December 31, 1994.