[Report 1894] / Medical Officer of Health, Rotherham County Borough.
- Rotherham (England). County Borough Council
- Date:
- 1894
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: [Report 1894] / Medical Officer of Health, Rotherham County Borough. Source: Wellcome Collection.
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![Public Analyst’s Laboratory, 67, Surrey Street, Sheffield. REPORT ON A SAMPLE OF DRINKING WATER. Received from the Corporation of the Borough of Rotherham, on February 7th, 1895. Sample Mark, No. 79. Physical Characters: Suspended Matter, none. Appearance of a Column two feet long, clear and colourless. Taste, normal. | Odour, none. On Analysis, the sample gave the following results :— Total Solid Matter, 26T8 grains per gallon ; which lost on Ignition, — grains. Chlorine, 2-20 grains per gallon ; equal to Sodium Chloride, 8*62 grains. Nitrogen in oxidised forms, trace ; equal to Nitric Acid (anhydrous), trace. Poisonous Metals (lead, &c.), none. Degrees of Hardness, 18. [Each degree of hardness represents a soap-destroying power equivalent to one grain of chalk per gallon.] Reducing Power, 0-06 parts per million. [Representing the Oxygen absorbed by the organic and other oxidisable matters in one million parts of water.] Free and Ureal Ammonia, 0’06 parts per million. Albuminoid Ammonia, 0T2 parts per million. These results show the sample to be fairly free from traces of readily changeable organic matter. The hardness is high, but not in excess of that of the water supplied to several large centres of population. February 28rd, 1895. ALFRED H. ALLEN. Aldwarke Spring.](https://iiif.wellcomecollection.org/image/b30042446_0017.jp2/full/800%2C/0/default.jpg)
