Collection Systems Operator’s Guide to Preparing for the Certification Examination (WEF) (Levels 1-4) OIT as well as questions at

as well as questions at the end of each chapter

Chapters discuss regulations

is organized into 13 chapters addressing core test content on certification exams

Water operators do it every day with the top training and best practices they get from Water Treatment Operator Training Handbook

with all-new questions and answers

Collection Systems Operator’s Guide to Preparing for the Certification Examination (WEF) (Levels 1-4) OIT as well as questions atThis 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