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

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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London

Southwark 1968

[Report of the Medical Officer of Health for Southwark, Borough of]

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Pesticides in Food
The survey into the level of pesticides in food at the time of retail sales, conducted
by the Association of Public Analysts in collaboration with the Food and Drugs Authorities
and which began in 1967, continued during the year. The following is the report of
the Public Analyst relating to foodstuffs bought in the Borough:—

Table: For the purpose of the survey, quantities of pesticide residues are regarded as below the "reporting limit" when they do not exceed the following: —

For the purpose of the survey, quantities of pesticide residues are regarded as below the "reporting limit" when they do not exceed the following: —

Milk & Infant FoodsOther Foods
DDT2050 parts per thousand million
Other organo-chlorine compounds220 parts per thousand million
Pesticides present (parts per thousand million)
Ref. No.SampleReportableBelow reporting limit
M.lDutch cheeseBHC21Dieldrin 10 DDE 7 TDE 4
M.llSoft cheese English0BHC 3 Dieldrin 8
M.2Bread0BHC 5
M.12MilkBHC40
Dieldrin3
M.64MilkBHC2.50
M.20LardDDE47BHC 12
TDE117Heptachlor
DDT87epoxide 8 Dieldrin 17
M.21Pork0BHC 7 Heptachlor epoxide 7 Dieldrin 11 DDE 11 TDE 4 DDT 19
M.l 04PorkBHC32Dieldrin 6 DDE 13 DDT 19
M.71Pork sausages0BHC 16 Dieldrin 5 DDT 38