(a) Class I substance means any substance designated as class I by EPA pursuant to 42 U.S.C. 7671(a), including but not limited to chlorofluorocarbons, halons, carbon tetrachloride and methyl chloroform.
(b) Class II substance means any substance designated as class II by EPA pursuant to 42 U.S.C. 7671(a), including but not limited to hydrochlorofluorocarbons.
(c) Controlled substance means a class I or class II ozone-depleting substance.
(d) Department, agency and instrumentality of the United States refers to any executive department, military department, or independent establishment within the meaning of 5 U.S.C. 101,102,and,respectively,any,the,and.