Class I, Class II, Class III, Class IV, and Class L means the level of certification of an operator of a municipal, commercial, or compatible industrial wastewater treatment works.
197 Neb. Admin. Code, ch. 1, § 006
Class I, Class II, Class III, Class IV, and Class L means the level of certification of an operator of a municipal, commercial, or compatible industrial wastewater treatment works.
197 Neb. Admin. Code, ch. 1, § 006