Resource added for the Environmental Engineering Waste and Water Technology program 105062.

WSO Water Distribution, Grades 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 Grade 1 or 2 exam is included in this book.

This updated study guide follows the new requirements established by the ABC. It is organized by certification levels I, II, III, and IV. Questions are ranked for comprehension, application and analysis. With twice as many vetted questions, operators get practice with questions similar to the exam. Answers are provided. Math and chemistry answers include the steps to solve the problems.

AWWA's most popular training handbook for water treatment operators, this handy guide provides a complete introduction to water treatment operations and equipment. It is excellent for certification exam study

WSO Water Distribution, Grades 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 Grade 3 or 4 exam is included in this book.

Resource added for the Environmental Engineering Waste and Water Technology program 105062.

Most wastewater operators cite mathematics as the subject giving them the most difficulty on their operator certification exams, as well as on the job. This math study text is designed to help wastewater operators improve their math skills, pass certification exams, perform their jobs better, and advance their careers. The guide provides examples of a variety of different problems that will be encounted both on Grades 3 and 4 certification exams and on the job. Each problem is presented with easily followed steps and comments to facilitate understanding. Tests with answers are included after each grade level to help you determine where your strengths and weaknesses are. Appendices provide common conversion factors, a summary of the equations used in the book, chemistry tables, maximum contaminant level charts, and abbreviations to which you can refer when working out the problems.