Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Report on the sanitary condition and vital statistics during the year 1915 together with the report of the Chief Sanitary Inspector
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| Year. | No. of Samples taken. | No. of Samples Adulterated. | Percentage of Adulterated Samples. |
|---|---|---|---|
| 1905 | 609 | 79 | 12.9 |
| 1906 | 656 | 75 | 11.4 |
| 1907 | 671 | 87 | 12.9 |
| 1908 | 682 | 45 | 6.6 |
| 1909 | 617 | 52 | 8.4 |
| 1910 | 642 | 53 | 8.2 |
| 1911 | 646 | 62 | 9.6 |
| 1912 | 632 | 57 | 9.0 |
| 1913 | 710 | 83 | 11.7 |
| 1914 | 739 | 55 | 7.4 |
| Decennial average percentage adulteration | 9.8 | ||
| 1915 | 728 | 88 | 12.1 |