This guide is a textbook style guide with self-study questions at the end of each major section
it is directed towards people with little or no exposure to the water and wastewater industry
Covers all 4 examination categories 2018 Revised Edition
This study guide provides background information to help you prepare to become a certifies operator by laying a solid foundation of important concepts that will aid you in the Operator-in-Training (OIT) examination for: Water Treatment (WT)
Everything you need to know to pass your Class 3 or 4 exam is included in this book
Wastewater Operator’s Guide to Preparing for the Certification Examination (WEF) (Levels 1-4) Collection This guide is a textbookThe Wastewater Operators Guide to Preparing for the Certification Examination was prepared jointly by the Water Environment Federation, the Association of Boards of Certification (ABC), and the Certification Commission for Environmental Professionals (C2EP). It outlines what you can expect from the exam, provides key formulas, and lets you test your skills with sample questions. Use the book to study on the go, and then when you get home, take an