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Covers all 4 examination categories 2018 Revised Edition
Chapters discuss regulations
new equipment photos
which offer immediate feedback after each answer is chosen
The study guide is applicable to all four OIT examination modules
Water System Operations (WSO) Distribution 1 & 2 (AWWA) WD Covers all 4 examination categoriesSO Water Distribution, Class 1 & 2, is organized into 22 chapters addressing core test content on certification exams. Chapters discuss regulations, operator math and chemistry, and specific distribution processes in detail. Other chapters cover water use and system design, water mains, hydrants and valves, water system supply security and public relations. Everything you need to know to pass your Class 1 or 2 exam is included in this book. To
