§ 85.1801 Definitions.
For the purposes of this subpart, except as otherwise provided, words shall be defined as provided for by sections 214 and 302 of the Clean Air Act, 42 U.S.C. 1857, as amended.
(a) Act shall mean the Clean Air Act, 42 U.S.C. 1857, as amended.
(b) Days shall mean calendar days.