If the secretary finds that any person is causing or contributing to air pollution and that such pollution creates an emergency by causing imminent danger to human health or safety and requires immediate action to protect human health or safety, the secretary shall order the person to reduce or discontinue immediately the emission of air contaminants. The emergency order is effective immediately on service upon the person responsible for the emission, and any person to whom such an order is directed shall comply with the order immediately.
SDCL 34A-1-45