Purification Water Carbon, Activated Filtration Water quality Adsorption Alkalinity analysis Alkalinity test Backwash Flow Rate Carbon exhaustion rate Chemical unit conversions Computer network resources Contaminated well water Design and construction Dewatering Environmental chemistry Equivalent sphere diameter Error Analysis Evaluation, Carbonates Filter head loss Filter media segregation Granular media filtration Ion exchange process Lime-soda water softening Lime-soda?ash?process Mass Transfer Mass transfer correlation Measurement Organic compounds removal Oxygen Transfer Standard