Tunnelling means the construction of any tunnel beneath the natural surface of the earth for a purpose other than the searching for or winning of a mineral
Vaping means using an activated electronic delivery device or heated tobacco product.
Cannabis flower means marijuana, hashish, and other
Dewatering means the removal of water for construction activity. It can be a discharge of appropriated surface or groundwater to dry and/or solidify a construction site. It may require Minnesota Department of Natural Resources permits to be appropriated and if contaminated may require other MPCA permits to be discharged.
Tunnel means a subterranean passage made by excavating beneath the over burden into which a building worker enters or is required to enter to work;