§ 92.058 EXEMPTION.
   Upon the express written approval from both the city and the MPCA, a person conducting bona fide research on the effects of undiluted coal tar-based sealer products or PAHs on the environment shall be exempt from the prohibitions provided in § 92.057 of this chapter.
(2004 Code, § 92.53) (Ord. 12-0685, passed 7-24-2012)