§53.31. Reserved
40 C.F.R. § 53.31
Notes, amendments, and revision history
Source
Source: 71 FR 61278, Oct. 17, 2006, unless otherwise noted.
Authority
Authority: Sec. 301(a) of the Clean Air Act (42 U.S.C. sec. 1857g(a)), as amended by sec. 15(c)(2) of Pub. L. 91-604, 84 Stat. 1713, unless otherwise noted.
Source
Source: 40 FR 7049, Feb. 18, 1975, unless otherwise noted.