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Use the book to study on the go
It outlines what you can expect from the exam
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)
Other chapters cover water quality testing
operator math and chemistry
Collection Systems Operator’s Guide to Preparing for the Certification Examination (WEF) (Levels 1-4) WT Use the book to studyThis guide was prepared jointly by the Water Environment Federation, the Association of Boards of Certification, and the Certification Commission for Environmental Professionals (C2EP). The third edition of this critical study guide has been updated to reflect new Need to Know Criteria and core competencies for collection system operators. The questions included in this guide have been chosen to sample as many different aspects of a collection system