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Water Supply and Sewerage
Sewerage and Sewage Disposal
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acid acre daily Albuminoid albuminoid ammonia Ammonia amount analyses April average bacteria Berkshire Blackstone River Board of Health Boston Brook cent Chemical Examination cities and towns Cons counties Crustacea cubic centimeter Day of examination death rate Decanta deep each week diphtheria diseases Distinct drainage Effluent Evapora Examination of Water faintly vegetable Filter Tank following table Fungi gallons per acre inches deep increase Infusoria July June Lawrence Lawrence Experiment Station Lowell Merrimack River Microscopical Examination milk mill mortality rate Nashua River Neponset River nitrates nitrification Nitrogen North number of deaths Number of organisms Number of sample Odor organic matter organisms per cubic oxygen Percentage pipe pollution Pond population portion purification Quantity Applied ratio Rhizopoda samples were collected sand scarlet-fever Sept sewage Sewage applied sewer Slight small-pox spring stream Surface raked tion typhoid fever Uroglena V.slight Vermes Volvox Water Supply Worcester Zoospores