Collection Systems Operator’s Guide to Preparing for the Certification Examination (WEF) (Levels 1-4) WD and maintaining water quality in

and maintaining water quality in the distribution system

Several new chapters cover topics that have emerged since the publication of the last edition

the book includes full-color illustrations and links to video clips

as well as questions at the end of each chapter

leak detection

Collection Systems Operator’s Guide to Preparing for the Certification Examination (WEF) (Levels 1-4) WD and maintaining water quality inThis 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