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and maintaining water quality in the distribution system
the book includes full-color illustrations and links to video clips
and maintenance
is organized into 15 chapters addressing core test content on certification exams
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
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