NJ Water Wastewater Operator Practice Questions - New Jersey Water And Wastewater Operator Certification Exam

What classification levels exist for New Jersey T (Water Treatment) and S (Wastewater Treatment) licenses?

Levels A, B, C, D Classes 1, 2, 3, 4 Grades I, II, III, IV Tiers 1, 2, 3

Correct Answer:

Classes 1, 2, 3, 4

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