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and equations make it an ideal day-to-day reference
and then when you get home
Water Distribution / Water Distribution and Supply (WD/WDS)
and Texas)
The Wastewater Operator’s Guide to Preparing for the Certification Examination was prepared jointly by the Water Environment Federation
Water System Operations (WSO) Water Treatment 3 & 4 (AWWA) WT and equations make it anWater Treatment, Class 3 and 4, is organized into 15 chapters addressing core test content on certification exams. Chapters discuss regulations, operator math and chemistry, and specific treatment processes in detail. Other chapters cover water quality testing, electrical and monitoring systems, treatment plant safety, and monitoring and recording requirements. Everything you need to know to pass your Class 3 & 4 exam is included in this book. To
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