Pay in 4 interest-free payments of $30.25 Learn more
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
Class 3 & 4
excavation
health issues
The questions included in this guide have been chosen to sample as many different aspects of a collection system operator’s job responsibilities as possible
water system supply security and public relations
Water System Operations (WSO) Distribution 3 & 4 (AWWA) WWC Class 3 & 4WSO Water Distribution, Class 3 & 4, is organized into 13 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 3 or 4 exam is included in this book. To