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

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Islington 1956

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

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56
The plate counts of the remaining two samples were satisfactory. Samples
falling within grades I or II of the Methylene Blue Test are considered satisfactory
and those within III or IV unsatisfactory.
Fifteen ice lollies sent to the Bacteriologist were reported to be satisfactory. In
addition seventeen ice-cream lollies were examined. Faecal coli were isolated in eight
of these samples, but most of these adverse samples came from the premises of one
manufacturer. Following talks with the staff' and close supervision by the Public
Health Inspector, a satisfactory standard was then maintained as confirmed by
subsequent sampling.

Chemical Examinations. Seventeen samples of ice-cream and two ice lollies were submitted for chemical analysis and no adverse report was received. Details of the fifteen samples examined for fat content are as under :—

Fat Content Less Than
6%7%8%9%10%11%12%13%14%15%
112134217

Milk Samples.
The total number of samples taken during 1956 was 261.
Samples submitted for Chemical Analysis :—
Genuine Adulterated Total
Formal 139 — 139
Informal 41 4 45
184
Routine samples of the milk supplied to schools, hospitals, institutions and day
nurseries were taken during the year. A report to the effect that patients in one
hospital were receiving poor quality milk was found, upon investigation by the
Inspector, to be due to the inadequate mixing in bulk of the milk by the person
employed in the kitchen.
There are fourteen major suppliers of milk into the Borough, the suppliers
of which have been subjected to periodical sampling.

Samples submitted for Bacteriological Examination

Class of MilkResultsPhosphataseMethylene blueTurbidityTotal No. of Samples
PasteurisedSatisfactory65*59
Unsatisfactory65
SterilisedSatisfactory__99
Unsatisfactory
Tuberculin Tested (Pasteurised)Satisfactory333
Unsatisfactory
Total77

* 2 Samples void—Shade temperature exceeded 65 °F.