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activated carbon Alberta Association built Calgary Canada Ltd Canadian cast iron chemical chlorine chlorine dioxide cial commer commercial COMPANY concrete construction Consulting Engineers Corner Brook corrosion cost Designed capacity detergents digestion disposal distribution Distribution—C.I. mains Domestic services Drainage Edmonton Effluent Effluent discharged electric pumps elevated tank equipment filters filtration plant fire protection flow fluoride gals gasoline Health Hydrants Imhoff tanks Industrial Wastes installation joint Lake LIMITED manager Manufacturing ment meter Meters—None miles distant Montreal municipal Official—W.W. supt Ontario operation Ottawa phenol Phone pollution pressure Pressure—Domestic problem Products Public Utilities pumping station Pumps—Three Pumps—Two electric Purification—Chlorination Purification—None reservoir Reservoir—One Reservoirs—Two River Sanitary Engineering Sewage Treatment sewer Sewerage sludge digestion standard steel stream Supply—By gravity Supply—From Supply—Pumped tion Toronto town Transite pipe unit Valve Vancouver W.W. supt water supply waterworks Winnipeg