As used in sections 116.42 to 116.44, "acid deposition" means the wet or dry deposition from the atmosphere of chemical compounds, usually in the form of rain or snow, having the potential to form an aqueous compound with a pH level lower than the level considered normal under natural conditions, or lower than 5.6.
Minn. Stat. § 116.43
1982 c 482 s 2; 2016 c 158 art 1 s 31