 A water suitable for domestic supply must be free from all substances which are known to produce an injurious effect on the human system, or which are suspected with good reason or on good authority to produce such an effect. 2. The water should be, as...  Annual Report - Página 30por Grand Rapids (Mich.) Dept. of Public Service - 1875Vista completa - Acerca de este libro
 | Kansas Academy of Science - 1898 - 246 páginas
...be safe in accepting the following summary as given in Nichols on " Water-supply ": which are known to produce an injurious effect on the human system,...substances and from all associations which offend the general aesthetic sense of the community, and thus affect the system through the imagination, even... | |
 | William Ripley Nichols - 1883 - 252 páginas
...water supply : 1. A water suitable for domestic supply must be free from all substances which are known to produce an injurious effect on the human system,...substances and from all associations which offend the general aesthetic sense of the community, and thus affect the system through the imagination, even... | |
 | Ellen Henrietta Richards - 1885 - 206 páginas
...: • — i. A water suitable for domestic supply must be free from all substances which are known to produce an injurious effect on the human system,...substances and from all associations which offend the general aesthetic sense of the community, and thus affect the system through the imagination, even... | |
 | Kansas State Board of Health - 1886 - 196 páginas
...free from, all substances which are known to produce any injurious effects on the human system, or are suspected with good reason or on good authority to produce such an effect. The water should be as far as practicable free from all substances and from all associations which... | |
 | Indiana State Board of Health - 1891 - 458 páginas
...so we may define pure water, with Nichols, as one that is " free from all substances which are known to produce an injurious effect on the human system,...or on good authority, to produce such an effect." But this definition is not an exact one, for the reason that many waters are classed as impure, or... | |
 | Michigan. Department of Health - 1891 - 822 páginas
...of water: 1. "A water suitable for domestic supply, must be free from all substances which are known to produce an injurious effect on the human system, or which are suspected with good reason, or good authority to produce such an effect. community, and thus affect the system through imagination,... | |
 | Kansas Academy of Science. Meeting - 1898 - 248 páginas
...Water-supply ": 1. "A water suitable for domestic supply must be free from all substances which are known to produce an injurious effect on the human system,...substances and from all associations which offend the general aesthetic sense of the community, and thus affect the system through the imagination, even... | |
 | 1900 - 870 páginas
...public supply: "A suitable water for domestic purposes must be free from all substances that are known to produce an injurious effect on the human system, or which are supposed, with good reason, to produce such an effect. "The water should be, as far as possible, free... | |
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