Water Treatment Operator Class I Practice Questions - ABC WPI Water Treatment Operator Class I Certification Exam

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Which organization develops the standardized water treatment operator exam used by more than 40 U.S. state certifying authorities?

American Water Works Association (AWWA) Water Professionals International (WPI), formerly the Association of Boards of Certification (ABC) U.S. Environmental Protection Agency (EPA) National Sanitation Foundation (NSF)

Correct Answer:

Water Professionals International (WPI), formerly the Association of Boards of Certification (ABC)

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