When the state department shall have reason to believe that any milk, cream, skimmed milk, or other dairy product has been contaminated by the emanations, exhalations or discharges of any person affected with any communicable disease, or that any such dairy product has been or is produced, stored or kept on any premises upon which any source of a communicable disease exists, the department may issue an order in writing prohibiting the transportation or sale of such dairy product.
N.J.S. § 26:4-12