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of collecting the sample to exceed 1 part in 40000 (1 part in
100000 of formic aldehyde) raises a strong presumption that
the article has been rendered injurious to health and that the
purchaser has been prejudiced; and also that similar presumption
is raised when boron preservatives are present to an amount
exceeding 57 parts of boric acid per 100000, or 40 grains of
boric acid per gallon.
The addition of preservatives to skim milk, separated milk and
condensed milk is equally to be avoided.
During 1906, the Council sent round to the milk traders
throughout the Borough a circular letter giving notice that action
is to be taken under the Sale of Food and Drugs Acts in instances
where preservatives are reported by the Public Analyst to
be present in milk samples, which are to be specially analysed
for such purpose on and after September 1st, 1000.
The terms of the circular letter are as follows :—
Borough of Lambeth,
333, Kennington Road,
London, S.E.
27th July, 1906.
Dear Sir or Madam,
The Lambeth Borough Council, at its meeting held last night,
considered a circular letter from the Local Government Board,
addressed to all Authorities under the Sale of Food and Drugs
Acts, suggesting the advisability of action being taken under
the Sale of Food and Drugs Acts, with regard to preservatives
when found to be present in milk—the addition of such being
dangerous to health. The Borough Council gave instructions to
their officers to take the necessary action as suggested by the
Local Government Board, throughout the Borough of Lambeth,