In these rules of practice, words in the singular number apply to the plural and words in the masculine gender apply to the feminine and vice versa.
authority: Sec. 11, Noise Control Act of 1972 (
42 U.S.C. 4910) and additional authority as specified
source: 43 FR 34132, Aug. 3, 1978, unless otherwise noted.
cite as: 40 CFR 209.2