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Bacteriological examination of milk. The bacteriological
examination of milk is carried out locally at the laboratory of
Queen Mary's Hospital. The close proximity of this laboratory
facilitates despatch, as samples can be delivered from any part
of the borough within twenty minutes. Table VI. gives the
result of examination of the samples submitted during the year.
Especial interest attaches to four samples which were taken
from the supply provided for Harold Wood Hospital. These
samples were examined biologically and bacteriologically and the
results showed that in three of the four samples tubercule bacilli,
and in addition the coliform bacillus in one tenth of a millilitre,
were present. These facts were reported to the medical officer of
health of the supplying area. Subsequently one animal was dealt
with under the Tuberculosis Order, 1925. Pasteurised milk is now
being supplied to this institution.
Table VII shows the result of examination of samples of milk
submitted for examination for the presence of the coliform bacillus.

(a) Supply discontinued and pasteurised milk now being supplied.
(b) Letter of warning.
(c) Facts reported to the medical officer of the producing area.
Analysis of milk samples. During the year 1937 the
number of samples submitted to the public analyst for examination
was 417. Of this number 30 were graded milks; all were
satisfactory. Of the other 387, 10 were unsatisfactory.
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