Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.63508

Sec. 63508. Except when confidentiality is provided in this part, information submitted to the department, other state agency, or local unit of government pursuant to this part shall be a public record as provided in the freedom of information act, Act No. 442 of the Public Acts of 1976, being sections 15.231 to 15.246 of the Michigan Compiled Laws. Information that pertains only to the analysis of the chemical and physical properties of coal, excepting information regarding such mineral or elemental content that is potentially toxic in the environment, or information that pertains to the exact location of archeological sites shall be kept confidential and is not a public record. The department shall promulgate rules establishing a procedure to determine whether information that pertains only to the analysis of the chemical and physical properties of the coal shall be kept confidential.