Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Fortieth annual report of the proceedings of the Vestry of the Parish of St. Mary, Newington, London...
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Year. | Elements of organic matter in parts per 100,000. | Months in which maximum pollution occurred. | Year. | Elements of organic matter in parts per 100,000. | Months in which maximum pollution occurred. |
---|---|---|---|---|---|
It is thus evident that the comparatively large amount of organic
contamination in the Thames-derived water noted in 1894 was not
repeated last year, whilst the maximum organic matter in the Lea
was the same as in 1894, which was the smallest recorded since 1890.