Pennsylvania Code
Title 25 - ENVIRONMENTAL PROTECTION
Part II - State Board for Certification of Sewage Treatment Plant and Waterworks Operators
Chapter 302 - ADMINISTRATION OF THE WATER AND WASTEWATER SYSTEMS OPERATORS' CERTIFICATION PROGRAM
Subchapter J - OPERATOR CLASSES AND SUBCLASSIFICATIONS
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.