Minn. Stat. § 116.091
Any person operating any emission system or facility specified in chapter 114C or section 116.081, subdivision 1, when requested by the Pollution Control Agency, shall furnish to it any information which that person may have which is relevant to pollution or the rules or provisions of this chapter.
The agency or any employee or agent thereof, when authorized by it, may examine any books, papers, records or memoranda pertaining to the operation of any system or facility specified in subdivision 1.
Whenever the agency deems it necessary for the purposes of this chapter or chapter 114C, the agency or any member, employee, or agent thereof, when authorized by it, may enter upon any property, public or private, for the purpose of obtaining information or conducting surveys or investigations.
Minn. Stat. § 116.091
1971 c 904 s 3; 1985 c 248 s 70; 1986 c 444; 1996 c 437 s 22, 23