Title 40
SECTION 52.2331
52.2331 Attainment dates for national standards.
§ 52.2331 Attainment dates for national standards.The attainment date for the secondary NAAQS for sulfur dioxide for Salt Lake County and portions of Tooele County is December 31, 1994.
[61 FR 16062, Apr. 11, 1996]