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Several new chapters cover topics that have emerged since the publication of the last edition
leak detection
New chapters describe the management approach to distribution system operation and the operational practices operators can use to improve system performance
This fourth edition is based on the operator certification knowledge requirements included in the Associated Boards of Certification (ABC) Need-To-Know criteria
Collection Systems Operator’s Guide to Preparing for the Certification Examination (WEF) (Levels 1-4) WD Several new chapters cover topicsThis 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
