Current through Register Vol. 55, No. 1, January 4, 2025
Section 302.1001 - General provisions(a) A certified operator may hold only one valid water certificate and one valid wastewater certificate. Each valid certificate may include one or more appropriate classes and subclassifications.(b) A certified operator holding a valid Class A, B, C or D and the Class E water or wastewater certificate and all the water or wastewater treatment technology subclassifications, will be issued either a water or wastewater master certificate for that class.