Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Paddington]
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TABLE B.
Year. | Proportion of organic impurity present in Thames water as delivered in London. | Proportion of organic impurity present in Lea water as delivered in London. |
---|---|---|
*The average yearly amount of organic elements (organic carbon
and organic nitrogen) found in the water supplied by the Kent Company,
during the nine years ending 1876, is, for purposes of comparison, taken
as the unit.