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
Southgate 1938
[Report of the Medical Officer of Health for Southgate]
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Pasteurised Milk.
Percentage of samples found satisfactory in
every respect 93.4%
Percentage of samples not complying with phosphatase
test 6.6%
Average bacterial count 27,535
No tubercle bacilli were present in any of the samples examined.
Causes of failure to pass phosphatase test:—
Breakdown of automatic temperature recorder 1
No automatic temperature recording apparatus 1
Fall in temperature of milk in holder 1
Breakdown in pre-heater 1
Note.—All failures to comply in both Designated and Nondesignated
Milks were due to failure to pass phosphatase
test.
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