Design and Use of Licensed Site Professional's Seal

(1) For the purpose of rendering waste site cleanup activity opinions, each licensed site professional shall procure and use a rubber stamp for a seal, the design, arrangement, size and working of which shall conform to the Board's specifications. An LSP may also submit electronically a waste site cleanup activity opinion that: (a) is allowed by the Department to be submitted electronically; and (b) contains an electronically inserted seal, the design, arrangement, and size of which shall conform to the Board’s specifications for electronic seals. (2) A licensed site professional shall use the LSP's seal to attest that, in the LSP's professional judgment, the waste site cleanup activity opinion upon which it appears, complies with the provisions of M.G.L. c. 21A, §§ 19 through 19J, 309 CMR, M.G.L.c. 21E, 310 CMR 40.0000: Massachusetts Contingency Plan, and all other laws, regulations, orders, permits, and approvals applicable to such response action or response actions. (3) The licensed site professional's seal shall only be used in connection with waste site cleanup activity opinions for which the LSP will be responsible. Use of a seal is not transferable. (4) A licensed site professional shall not allow or suffer the LSP's official seal to be affixed to any waste site cleanup activity opinion not prepared by the LSP or under the LSP's personal supervision. (5) A licensed site professional, upon receipt of the LSP's rubber stamp seal, shall stamp it upon two sheets of the LSP's letterhead, and submit the impression to the Board as evidence that the LSP has complied with the requirements for procurement of a seal. (6) A licensed site professional who is issued or selects one or more Personal Identification Numbers (PINs) or Passwords for the purpose of electronically submitting waste site cleanup activity opinions to the Department shall not disclose these PINs or Passwords to any other individual. 1/30/26 309 CMR - 29 (Mass. Register #1566, 01/30/2026)