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

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Hammersmith 1957

[Report of the Medical Officer of Health for Hammersmith Borough]

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Considerable attention is paid to street trading food, the stalls and storage
accommodation receiving frequent inspection During the year 672 visits
were made by the Food & Drugs Inspector to these markets.
Wormwood Scrubs Fair
The Fair held on wormwood Scrubs during the spring and summer Bank Holiday
periods includes a number of stalls retailing soft drinks ice cream,
shellfish etc. These stalls which are licenced by the London County Council
were inspected on each occasion by the Borough council's Inspectors,
Ice Cream
During the year 83 samples of ice cream were taken and submitted to the
Public Health Laboratory Service for bacteriological examination by the methylene
blue test. This test is recommended by the Ministry of Health as a guide
for ascertaining the bacteriological cleanliness of ice cream, the time taken
to decolourise methylene blue being recorded and the sample graded as
follows:-
Provisional Grade Time Taken to Decolourise Methylene Blue
1 4½ hours or more
2 214½ to 4 hours
3 ½ to 2 hours
4 Less than ½t hour
The 83 samples were placed in the following grades:-
59 samples were within Grade 1 standard
15 ,, ,, ,, ,, 2 ,,
6 ,, ,, ,, ,, 3 ,,
3 ,, ,, ,, ,, 4 ,,

Figures showing the results of samples taken in the borough since the methylene blue test has been used for the grading of ice cream are shown below:-

YearNo of Samples TakenGRADE 1GRADE 2GRADE 3GRADE 4UNGRADED
195149291235-
195268372047-
195310562221542
195489641654-
19559460111229
19569162254--
195783591563-