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

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City of London 1935

[Report of the Medical Officer of Health for Port of London]

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Date.Sample.Result of Analysis.Action taken.
1935.
Oct. 1Raisins (4)These samples on examination gave the following results:—None.
Sample No.Sulphur Dioxide, parts per million
l125
2330
370
4270
„ 4SardinesContained 2 parts of lead per million.None.
„ 4Tunny FishContained 3 parts of lead per million.None.
„ 29SardinesSample contained six parts of lead per million.None.
„ 29Sild*This sample was found to contain tin and tin compounds equivalent to 2.75 grains of tin per pound. Free from presence of lead.Further samples taken.
„ 31Fruit CakesThis sample on examination was found to be free from the presence of prohibited colouring matter and preservatives.None.
„ 31Smoked Sealachs (Salmon.)This sample was found to contain benzoate preservative equivalent to 420 parts of benzoic acid per million. Free from the presence of metallic contamination.Consignment re-exported.
Nov. 4Sild*This sample on examination was found to contain tin and tin compounds equivalent to 3.5 grains of tin per pound.Consignment destroyed.
„ 4Citrus FruitThis sample contained a trace of arsenic approximately equivalent to one-tenth of one part of arsenic per million, which may have been due to the skin having at some time been treated with an arsenic compound. No other deleterious substance was detected.None.
„ 6Fruit Pulp (2)These samples on examination gave the following results:-Consignment re-exported.
SampleSulphur Dioxide parts per million
Peach1,920
Greengage1,585
„ 6Sliced SalmonContained 320 parts of benzoic acid per million. No other preservative was detected.Consignment re-exported.
„ 6Sliced SalmonFree from the presence of preservatives.None.
„ 7SardinesContained 15 parts of lead per million.Analysis in connection with investigation for Ministry of Health.
„ 7SildContained 5.62 grains of tin per pound.Analysis in connection with investigation for Ministry of Health.
„ 8Unsweetened Fruit JuiceContained 320 parts of benzoic acid per million.Consignment destroyed.
„ 8HerringsFree from the presence of preservatives.None.
„ 8Tomato PureeFree from the presence of copper.None.
„ 8ChutneyFree from the presence of preservatives.None.
„ 8SildsContained five parts of lead per million. Free from presence of tin.None.
„ 8Dressed LobsterFree from presence of either lead or tin.None.
„ 8SildContained 1.65 grains of tin per pound.None.
„ 8SildContained 3.87 grains of tin per pound.Awaiting re-exportation.
„ 12Sliced SalmonThese samples on examination gave the following results:-Samples Nos. 1 and 2
Sample No.Benzoic Acid, parts per million.None.
lNoneSamples
2NoneNos. 3, 4 and 5
3350awaiting
4220re-exportation.
5240
„ 12Tomato PureeFound to be free from the presence of prohibited preservatives and copper. Only a trace of tin.None.
„ 12Tomato SauceContained 11 parts of copper per million.None.