Study Materials

ABC Examination Study Resources

ABC Formula/Conversion Table - see ABC's 2012 New Standardized Exam Formula/Conversion Tables

ABC Need-to-Know Criteria - use ABC's 2012 New Standardized Need-to-Know Criteria. The 2008 version is still available on their site. Be sure to verify which version you are viewing.

Math Study Guides - TPO Magazine recommended math study guides. Wastewater Math: 5 Must-Have Study Guides for Your Bookshelf by Jennifer West.

Exam Study Guide: Activated Sludge Systems - TPO online exclusive by Rick Lallish, Water Pollution Control, Program Director at the Environmental Resources Training Center of Southern Illinois University Edwardsville.

TPO Magazine, March 2014, page 22. The Secret to Wastewater Math by Steve Duerre. Learn how to factor units into your solutions to math problems on licensing exams.

Do you get nervous when taking test? A few tips from TPO Magazine, December 2013, page 8. Beating Test Anxiety by Ted J. Rulseh.

Operation of Wastewater Treatment Plants through California State University, Sacramento

How to order

WEF/ABC Wastewater Operators' Guide to Preparing for the Certification Examination 

(The above files require version 4.0 or later of Adobe Acrobat Reader Software)

WEF Study Guides

AWWA Wastewater Materials - Exam Study Guide on search page 2

If you have questions about the above study materials, please contact the Association of Boards Certification.

2805 SW Snyder Blvd., Suite 535
Ankeny, IA  50023
(515) 232-3623
FAX (515) 965-6827

Return to Wastewater Operator Certification Program Application