Grade 3-4 Water Treatment Plant Operators Exam, Discussion, T/F & Mult. Choice (W-86)

This newly released manual (2011) is full of color and black-n-white text or graphics. It contains 13 chapters that include: general knowledge, water sources, coagulation, flocculation, sedimentation, multimedia, water treatment techniques, up-to-date 40 CFR regulations, Water chemistry, disinfection, laboratory, DBP and TTHMS, and HAA5 disinfection by products, jar testing, safety and maintenance, and glossary terms.