Wastewater Treatment Fundamentals I-Liquid Treatment helps operators prepare for the first three levels of certification examinations and qualify for continuing education credits. This manual represents the expertise of hundreds of water quality professionals. Now in its second edition, it is a proven resource for operators and an essential foundation to any training program. It aligns with updated Need-to-Know Criteria from Water Professionals International and is based on WEF's extensive existing resource collection. In addition to learning the basics of liquid treatment, operators will gain a thorough understanding of critical aspects of biological treatment, nutrient removal, and disinfection. After learning from real-life examples, users can apply the material they learn to situations they encounter in their day-to-day work. Highlights of Wastewater Treatment Fundamentals include: Detailed visuals and infographics, Comprehensive math examples, Practice questions for each module with lots of variety, Accessible language for all levels of operators, For operators interested in continuing their training journey, the Wastewater Treatment Fundamentals series offers a number of other manuals, study guides, and online courses. Visit www.

wef.org/wwtf to learn more.