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In addition
and attention to detail
take an online practice quiz (complete with a timer)
Questions in the study guide are intended to provide an example of style and possible topics for certification exam questions
For this reason
Water System Operations (WSO) Water Treatment 3 & 4 (AWWA) WT In additionWater 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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