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Urine (for presence of albumen).—10 specimens were examined, 5 were abnormal,
showing the presence of albumen, and of these one also contained B. coli and one
tubercle bacillus.
Miscellaneous.—29 specimens were examined for gonococci (6 positive); 2
cerebro-spinal fluids examined (both normal); a number of specimens examined for
presence of pus, etc.
Water (a) from Council's institutions, schools, etc.—280 samples were examined,
in 48 of these coliform organisms were found in minimum amounts of water, ranging
from 1/10 to 10 c.c.
(b) from swimming baths—3 samples examined with fairly good results.
Milk.—50 samples of milk supplied to schools and institutions were examined ;
15 were found to be unsatisfactory, and of these 9 were stated to have been pasteurised.
Work of the Chemical Branch.
The work of the chemical branch is carried out at three laboratories, viz., the
central laboratory at County Hall, the laboratories at the northern and southern
outfalls. The Greenwich power station laboratory was transferred to the London
Transport Board on 1st July, 1933.
Central
laboratory.
The greater part of the work done at the central laboratory consists of the
examination of materials of all kinds bought by or used for the Council, and of water,
air, foods, materials which have failed in use, and other matters arising out of the
Council's undertakings. A considerable number of samples have been examined in
connection with the Petroleum Acts and the Fertilizers and Feeding Stuffs Act. 1926.
Examination
of samples.
An important part of the work of the branch consists of the consideration of
and giving advice on matters involving scientific questions.