Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Port of London]
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Date. 1936. | Sample. | Result of Analysis. | Action taken. | |||
---|---|---|---|---|---|---|
May 16 | Shrimp Paste | Contained four parts of lead per million, and a trace only of tin. | None. | |||
„ 16 | Sardines (3) | These samples on examination were found to contain ten, seven and five parts of lead per million, respectively. | None. | |||
„ 16 | Canned Fish (4) | These samples on examination gave the following results:— | None. | |||
Sample | Lead, parts per million. | |||||
Sild in Tomato | 3 | |||||
Sild in Oil | 1 | |||||
Sild in Oil | 1 | |||||
Kipper Snacks | 1 | |||||
In addition the samples were found to contain traces only of tin, and the Sild in Tomato were free from the presence of copper. | ||||||
„ 21 | Sardines | Contained nine parts of lead per million. | None. | |||
„ 21 | Canned Peas | Free from the presence of prohibited colouring matter and preservatives. | None. | |||
„ 21 | Oranges | Free from the presence of boric acid and foreign colouring matter on the skins. | None. | |||
„ 21 | Tallow (2) | These samples on examination gave the following results:— | None. id | |||
Sample marked. | Free Fatty Acids, expressed as Oleic Ac | |||||
(A) | 0.71% | |||||
(B) | 0.71% | |||||
„ 27 | Sardines | Contained 17 parts of lead per million. | Letter to Importers. | |||
„ 27 | Sardines | Contained 7 parts of lead per million. | None. | |||
„ 27 | Canned Fish (5) | These samples on examination gave the following results:— | None. | |||
Sample | Lead, parts per million | Tin, Grains per pound | ||||
Sild in Oil | 3 | 0.4 | ||||
Ditto | 3 | 0.3 | ||||
Ditto | 2 | 0.1 | ||||
Ditto | 2 | 0.1 | ||||
Dressed Crab | 1 | Trace | ||||
„ 29 | Sardines | Contained 6 parts of lead per million. | None. | |||
June 2 | Blackberry Pulp | Contained 1,268 parts of sulphur dioxide per million. | None. | |||
„ 3 | Vegetable Paste | The sample is probably meant for use as a paste for sticking paper, etc., by mixing with cold water, and the figures obtained are consistent with those that would be given by the treatment of a farinaceous material with caustic soda and subsequently neutralisation with hydrochloric acid, dried and powdered. | Letter to Importer. | |||
„ 5 | Yeast Extract | Free from the presence of arsenic. | None. | |||
„ 23 | Sardines | Contained 8 parts of lead per million. | None. | |||
„ 29 | Sardines | Contained 5 parts of lead per million. | None. | |||
„ 30 | Sugar | These samples on examination gave the following results :— | None. | |||
Sample No. | Tin, Grains per pound | |||||
l | 0.21 | |||||
2 | 1.29 | |||||
3 | 0.33 | |||||
4 | 0.83 | |||||
5 | 0.58 | |||||
„ 30 | Apricot Pulp | Contained 1,592 parts of sulphur dioxide per million. | Result forwarded to Medical Officer of Health of Bermondsey. | |||
July 1 | Sugar | These samples on examination gave the following results :— | Warning Letter to Importer. | |||
Sample No. | Tin, Grains per pound. | |||||
l | 1.25 | |||||
2 | 0.37 | |||||
3 | 2.13 | |||||
4 | 1.17 | |||||
5 | 1.82 | |||||
6 | 1.83 | |||||
3 | Sugar | 1 | 1.04 | None. |