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Water and wastewater operators need an understanding of chemistry to properly carry out the chemical phases of treatment, including coagulation, sedimentation, softening, and disinfection.Knowledge of basic chemistry is also required to pass operator certification examinations. Operators will get the training they need in this chemistry primer tailored just for operators of drinking water or wastewater systems._x000d_ Ideal for either self-education or classroom instruction, this low-cost book covers all basic areas of chemistry that an operator should know: _x000d_ _x000d_ Measurements, elements, compounds_x000d_ Equations_x000d_ Acids, bases, salts_x000d_ Solutions, colloids, coagulation_x000d_ Water, ionization theory, gas laws_x000d_ Organic chemistry_x000d_ Hardness, corrosion and its control_x000d_ Disinfection_x000d_ Also available as a Google Play ebook