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
West Ham 1951
[Report of the Medical Officer of Health for West Ham]
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FOOD
SAMPLING OF FOOD AND DRUGS
THE MILK (SPECIAL DESIGNATION) (RAW MILK) REGULATION, 1949.
Particulars are given below of samples of raw designated milk which were taken durin the year and submitted to the appropriate test (Methylene Blue).
| Type of Milk | Number sampled | Results of Examination | ||
|---|---|---|---|---|
| Number satisfactory | Number unsatisfactory | Reasons for failure | ||
| “Tuberculin Tested” (Farm bottled) | 48 | 47 | 1 | 1 decolourised in 2 hours. |
| TOTAIS: | 18 | 47 | 1 | |
HEAT TREATED MILK
THE MILK (SPECIAL DESIGNATION) (PASTEURISED & STERILISED MILK) REGULATIONS 1949.
Particulars are given below regarding the various types of heat treated milk which were sampled during the year and submitted to the appropriate tests.
| Type of Milk | Number Sampled | Results of Examination | |||||
|---|---|---|---|---|---|---|---|
| Phosphates Test | Methylene | Blue Test | Turbidity Test | ||||
| Satisfactory | Unsatis-factory | Satisfactory | Test Void | Satis-factory | Failed Test | ||
| “Pasteurised” | 124 | 124 | — | 117 | * 7 | — | — |
| “Pasteurised” (from Schools) | 31 | 31 | — | 29 | * 2 | — | — |
| “Tuberculin Tested (Pasteurised)” | 55 | 55 | — | 52 | * 3 | — | — |
| “Sterilised” | 94 | — | — | — | — | 94 | — |
| TOTAIS: | 304 | 210 | — | 198 | 12 | 94 | — |
* Owing to the atmospheric shade temperature at the laboratory
exceeding 65°F. (Part 111(1) Third Schedule), the methylene
blue test became void.
EXAMINATION OF MILK FOR TUBERCLE BACILLI (GUINEA PIG TEST).
During the year 20 samples of milk were taken fronrvarious sources, as shown below,
and were examined for the presence of tubercle bacilli.
All samples proved negative.
BIOLOGICAL TESTS
| Type of Milk | Number examined | Result | |
|---|---|---|---|
| Positive | Negative | ||
| "Tuberculin Tested" (Farm bottled) (from purveyors) | 19 | — | 19 |
| "Pasteurised" (from purveyors) | 1 | — | 1 |
| TOTAISj | 20 | — | 20 |