N.Y. Comp. Codes R. & Regs. tit. 21, § 2500.2
(f) Action means any activity of the authority, except an exempt action as defined in this section, including, without limitation the following:
(g) Exempt action means any one of the following:
(9) actions undertaken or approved by the authority prior to the effective date(s) specified in article 8 of Environmental Conservation Law if: