Notwithstanding any provision of 310 CMR 3.20 or 3.30 to the contrary, a trade secret shall always be subject to disclosure by the Department

1. (1) to the extent necessary to comply with the Federal Solid Waste Disposal Act, as revised by the Resource Conservation and Recovery Act, as may be amended from time to time.
2. (2) to the extent necessary to comply with M.G.L. c. 21, § 27(7) and the Federal Clean Water Act, as amended, 33 U.S.C. 1251 et seq.
3. (3) to the extent necessary to comply with M.G.L. c. 21E, § 12 and the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, 42 U.S.C. 9601 et seq.
4. (4) to the extent necessary to comply with M.G.L. c. 111, §§ 142B and 142D.
5. (5) to the extent necessary for any enforcement action, whether criminal or civil, judicial or administrative.