Section R. 325.3563 - Trade secretsRule 13.
(1) Information reported to, or otherwise obtained by, a department representative in connection with an inspection or proceeding under the act which contains, or which might reveal, a trade secret shall be considered confidential. The information may be disclosed only to another department representative concerned with carrying out his or her responsibilities under the act or when relevant in any proceeding under the act. In any proceeding, the department shall issue such orders as may be appropriate to protect the confidentiality of trade secrets.(2) Information which contains, or which might reveal, a trade secret shall not be subject to public inspection and copying.(3) At the commencement of an inspection, an asbestos abatement contractor or employer may identify areas in the establishment which contain, or which might reveal, a trade secret. If the department representative has no clear reason to question the identification, information obtained in those areas, including all negatives and prints of photographs and environmental samples, shall be labeled "confidential--trade secret" and shall not be disclosed.Mich. Admin. Code R. 325.3563