Potable Water and Methods of Detecting Impurities

Alternate Current alumina ammonia amount analyses bacterial examinations bacteriologists Board of Health chemical chlorine cholera cloth color contents of water danger deaths from typhoid DETECT IMPURITIES disease germs drainage area drinking edition Electric Engineers Examination of Water fever in Newark filter beds filtering material Graphical Statics Hand-book human system ical illus Illustrated impure water Jersey City June 30 laboratory less Massachusetts mechanical filters mechanical filtration methods mineral morocco natural waters Newark and Jersey nitrifying organisms number of bacteria organic matter origin Passaic River Pittsburg polluted water population Practical Treatise Prof public water supplies Pure Water Supply purification plant purity quantities relation between water removal reservoirs sanitary SCIENTIFIC PUBLICATIONS Sedimentation settling basins sewage pollution slow sand filtration source of supply stream surface suspended matter tastes and odors teria tests tion trated tration turbidity typhoid death rate typhoid fever typhoid germ water analysis Water Purification water-works