§ 52.1082 Determinations of attainment.  


Latest version.

[77 FR 1413, Jan. 10, 2012, as amended at 77 FR 11741, Feb. 28, 2012; 77 FR 17344, Mar. 26, 2012; 77 FR 30212, May 22, 2012; 77 FR 34819, June 12, 2012; 80 FR 29972, May 26, 2015; 80 FR 30946, June 1, 2015; 82 FR 50820, Nov. 2, 2017; 82 FR 52655, Nov. 14, 2017