310 CMR, § 3.32
As used in 310 CMR 3.30, the following terms shall have the following meanings, unless the context clearly indicates otherwise:
Commissioner means the Commissioner of the Department of Environmental Quality Engineering or his designee.
Toxic means any toxic as defined in M.G.L. c. 21I and 310 CMR 50.10.
Toxic or hazardous substance means any toxic or hazardous substance as defined in M.G.L. c. 21I and 310 CMR 50.10.
Toxics means toxics as defined in M.G.L. c. 21I and 310 CMR 50.10.
Toxics user means any toxics user as defined in M.G.L. c. 21I and 310 CMR 50.10.
Trade secret means any formula, plan, pattern, production data, device, information, or compliation of information which is used in a toxics user's business, and which gives said toxics user an opportunity to obtain an advantage over competitors who do not know or use it.
Trade secret claimant means any toxic user who makes a trade secret claim in accordance with M.G.L. c. 21I and 310 CMR 3.30.
310 CMR, § 3.32