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It is recognized that a good sewage effluent, that is to say, the purified
discharge from a sewage works into a stream or river, should contain not
more than 100,000 bacteria per cubic centimetre.
In the udder of the healthy cow milk is free from organisms, but unless
the greatest care is taken milk readily becomes contaminated, and once
bacteria have gained access they multiply with extreme rapidity unless the
milk is kept cold. This latter fact explains the high bacteriological counts
obtained in the summer.
Unless milking is carried out with special precautions traces of faecal
matter gain access and the presence of B. Coli, the number of organisms
growing at 37 C and the presence of B Sporogenes and Welchii all give an
indication of the extent to which this has occurred. The number of organisms
growing at 22 C gives an indication of contamination from non-animal
sources, e.g., dust and so forth. As explained, organisms rapidly multiply
if milk is allowed to become warm.
The essentials necessary to the existence of a clean milk supply are,
healthy cows, scrupulous cleanliness regarding milking, clean milk vessels,
and rapid delivery of cooled milk.
Condensed Milk Regulations.
Twelve samples of condensed milk were submitted for analysis under the
above Regulations, all of which were certified to comply with the standard
laid down by the Regulations.
Dried Milk Regulations.
Four samples were submitted for analysis under the above Regulations,
all of which were returned as genuine.
Milk and Cream Regulations, 1912.
None of the 558 samples of milk submitted for analysis were reported to
contain any preservative.
Seven samples of cream were submitted for analysis none of which were
reported to contain any preservative.
Merchandise Marks Act, 1926, Orders.
General observation was kept of all stalls and shops in the Borough
where foodstuffs scheduled under these Orders were exposed for sale. Six
warning letters were sent in respect of minor infringements. These proved
effective and no further action was necessary.
Smoke Nuisances.
There were 4 communications from the London County Council referring
to the emission of black smoke. These were duly brought to the notice of
the parties responsible. Some 794 observations were made by the Special
Inspectors, and in 6 instances intimation notices were served on the offenders.
These were effective, and there was no necessity for further action on the part
of the Sanitary Authority.
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