Rule 45. If the director knows there is an immediate and serious hazard from exposure to a contaminant and he or she believes that a delay of 15 days would be prejudicial to the health or life of exposed persons, then the director shall notify the employer by written notice to discontinue immediately the exposure to the contaminant. Within 15 days the director shall provide the employer the opportunity to be heard and to present any proof that exposure to the contaminant does not constitute a danger to the health or life of the exposed persons.
Mich. Admin. Code R. 325.2445