London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Wandsworth 1912
[Report of the Medical Officer of Health for Wandsworth, Metropolitan Borough]
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267
Report of the Medical Officer of Health.
Giving in detail particulars relating to the presence or absence
of a Boron preservative in the 389 samples of Butter submitted during the year.
| Number of samples free from preservative | 73 |
| Number of samples containing 0.05 per cent. or less (in terms of Boric Acid H3B03) | 42 |
| Number of samples containing 0.10 per cent. or less, but more than 0.05 per cent. | 56 |
| Number of samples containing 0.15 per cent. or less, but more than 0.10 per cent. | 36 |
| Number of samples containing 0.20 per cent. or less, but more than 0.15 per cent. | 35 |
| Number of samples containing 0.25 per cent. or less, but more than 0.20 per cent. | 26 |
| Number of samples containing 0.30 per cent. or less, but more than 0.25 per cent. | 31 |
| Number of samples containing 0.35 per cent. or less, but more than 0.30 per cent. | 23 |
| Number of samples containing 0.40 per cent. or less, but more than 0.35 per cent. | |
| Number of samples containing 0.45 per cent. or less, but more than 0.40 per cent. | 24 |
| Number of samples containing 0.50 per cent. or less, but more than 0.45 per cent. | 11 |
| Over 0.50 per cent. | 13 |
| 389 |
The average content of Boron preservative (in terms of Crystallised
Boric Acid) contained in the 218 samples of Butter (reported
as genuine) which contained this preservative amounted to 0.20
per cent., equivalent to 14.0 grains per lb. butter.
Articles other than Milk, Cream, and Butter.
The extent of the
adulteration
reported.
Of the samples submitted other than milk, cream, and butter
the number amounted to 326, 59 of which were
taken with the necessary formalities, whilst 267
were procured informally. The total number reported as