商品簡介
This book is a study guide for Grades 3 and 4 of AWWA'S Principles and Practices of Water System Operations (WSO) certification. Coverage includes basic microbiology and chemistry, advanced math for Level 3 operators, USEPA water regulations, water quality testing, corrosion control, lime softening, and ion exchange. Other areas covered include activated carbon adsorption, aeration, and membrane treatment. Facility and administration areas covered include ozone and ultraviolet and other oxidant facilities, plant waste treatment and disposal, water supply management, and treatment plant administration. The final chapter offers additional Level 3 study questions. The color layout features b&w photos, color illustrations and diagrams, and margin definition boxes, plus chapter questions, worked answers, and a glossary. The companion web site offers videos. Annotation ©2016 Ringgold, Inc., Portland, OR (protoview.com)