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 1924

[Report of the Medical Officer of Health for Wandsworth, Metropolitan Borough]

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95
Analysts' Annual Report.

Table: Milk.The average composition of the Milks returned as genuine during each month and for the whole year is given below :—

Milk.

The average composition of the Milks returned as genuine during each month and for the whole year is given below :—

Month.Total Milk solids.Milk fat.Non-fatty solids.
January12.50%3.75 %8.75 %
February12.49%3.59%8.90 %
March12.44%3.55%8.89 %
April12.37 %3.47%8.90 %
May12.35%3.49%8.86 %
June12.35%3.46 %8.89 %
July12.44%3.59%8.85 %
August12.65%3.89%8.76 %
September12.58%3.69%8.89 %
October12.57 %3.08%8.89 %
November12.61 %3.80%8.81 %
December12.51 %3.84%8.67 %
Whole Year12.49%3.65%8.84 %

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Butter.
Of the 333 samples of Butter examined during the year,
152, or 45.6 per cent., were found to be free from preservative,
other than salt; 180, or 54 per cent. contained Boric Acid in
quantities not exceeding the maximum permissible (0.5 per cent.
Crystallised Boric Acid), whilst one contained an excess of this
preservative.
Margarine.
The 12 samples of Margarine submitted were all found to
contain a Boron preservative in quantities ranging from 0.21 per
cent, to 0.34 per cent., calculated as Crystallised Boric Acid.