AWWA's Water System Operations (WSO) series is the leading operator certification training, aligned with current Association of Boards of Certification (ABC) Need-to-Know criteria and offering training based on experience and certification level. x000d Water Treatment, Grade I, is organized into 21 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 GradeI exam is included in this book. x000d To reinforce learning, the book includes full-color illustrations and links to video clips, as well as questions at the end of each chapter. x000d Key Features: x000d x000d Developed in accordance with the latest ABC criteria x000d Focuses on specific experience and certification level x000d Includes additional study questions at the end of each chapter x000d Access to more than 100 videos for additional learning is included