London's Pulse: Medical Officer of Health reports 1848-1972

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Sutton and Cheam 1958

[Report of the Medical Officer of Health for Sutton and Cheam]

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BACTERIOLOGICAL EXAMINATION OF MILK SAMPLES

One hundred and twenty-seven samples of milk were examined as followss-

Number of samples examinedType of Test appliedResults
Class of MilkPassedFailed
Pasteurised73Phosphatase Methylene Blue73-
712
Sterilised10Turbidity10-
Tuberculin Tested Pasteurised19Phosphatase Methylene Blue19-
19-
Tuberculin Tested (Farm Bottled)25Methylene Blue232
TOTALS1271234

To comply with the Milk (Special Designation) (Raw Milk.)
Regulations, Tuberculin Tested Milk must not decolourise Methylene
Blue within hours if the sample is taken during 1st May to
31st October, or within hours if taken between the 1st November
to 30th April.
Of the total samples examined under these Regulations two
samples of Tuberculin Tested (Farm Bottled) Milks failed to pass
the prescribed test Both samples were taken during the hours
test period and decolourised Methylene Blue in 3½ hours„
It is the practise immediately to notify failures of farm
bottled milk to the dairy company concerned so that the matter
may be taken up with the responsible producers as speedily as
possible.
To comply with the Milk (Special Designation) (Pasteurised
and Sterilised Milk) Regulations. Tuberculin Tested (Pasteurised)
and Pasteurised Milk must not give a reading of more than 2.3.
Lovlbond blue units in the phosphatase test and must not decolourise
methylene blue in 30 minutes. Of the 92 samples
examined under these Regulations two decolourised methylene blue
in 20 mlnutes= Both samples were taken from Milk Vending Machines
in the Borough
ICE CREAM
Ice Cream (Beat Treatment Btc.) Regulations 1917-1952
Registrations. During the year six applications for the
registration of premises for the sale and storage of ice cream
were received and granted.
At the end of 1958 a total of one hundred and sixty-one
premises had been registered for the sale of ice-cream in accordance
with Section 16 of the Food and Drugs Act. 1955, and on three
of these premises ice cream could be manufactured.
25