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
City of London 1934
[Report of the Medical Officer of Health for Port of London]
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| Date. 1934. | Sample. | Result of Analysis. | Action taken. | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sample No. | |||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||
| Sept. 6 | Water (6) Micro-organisms on Gelatin-68° F.—3 days | 504 | 98 | 192 | 78 | 82 | 550 | All samples passable for drinking purposes. | |||
| Micro-organisms on Agar-98° F.—2 days | 234 | 6 | 18 | 8 | 234 | 104 | |||||
| Bacillus Coli | Absent. | Present in 10 c.c. absent in 10c.c | Absent. | Present in 10 c.c. absent in 1.0c.c | Absent. | ||||||
| Coliform Organisms | Present in 10c.c. absent in 1.0c.c | None. | Present in 10 c.c. absent in 1.0c.c. | None. | None. | None. | |||||
| Other Organisms | None. | Yellow Chromogenic Bacillus. | |||||||||
| Jan. 1 | Raisins (6) | These samples on examination contained sulphite preservative as follows:— | Consignment sold for ship's stores only. | |
| Sample No. | Sulphur Dioxide, parts per million. | |||
| 1 | 705 | |||
| 2 | 795 | |||
| 3 | 880 | |||
| 4 | 1,045 | |||
| 5 | 845 | |||
| 6 | 640 | |||
| 1 | Sardines | The sample was found to contain lead and lead compounds equivalent to 15 parts of lead per million. | None. | |
| 1 | Canned Vegetables | Free from the presence of copper, traces only of tin, whilst lead and lead compounds present were equivalent to 5 parts of lead per million. | None. | |
| 3 | Sardines (3) | These samples on analysis gave the following results:— | None. | |
| Sample No. | Lead, parts per million. | |||
| 1 | 7 | |||
| 2 | 6 | |||
| 3 | 10 | |||
| „ 5 | Unfermented Grape Juice | This sample contained 300 parts of sulphur dioxide per million. Free from the presence of any other preservative. | None. | |
| „ 9 | Sardines | Contained lead and lead compounds equivalent to 6 parts of lead per million. | None. | |
| „ 9 | Glucose (liquid) | Contained 200 parts of sulphur dioxide per million. Free from arsenic. | None. | |
| „ 10 | Jelly Powder | This sample contained 2 parts of lead per million. | None. | |
| „ 11 | Glucose (solid) | This sample contained sulphite preservative equivalent to 450 parts of sulphur dioxide per million. | Released under Section II (1) (iii) (6) of the Public Health (Preservatives, &c., in Food) Regs. 1925-1927. | |
| „ 11 | Candy (sweets) | The presence of prohibited colouring matter could not be detected. | None. | |
| ,, 12 | Lunch Tongue (2) Veal Loaf | On analysis these samples gave the following results:— | None other than communicating with the Importer. | |
| Sample No. | Tin, per pound. | |||
| l | 1.22 grains. | |||
| 2 | 0.27 „ | |||
| 3 | 2.18 „ | |||
| „ 16 | Glucose (liquid) | Contained 325 parts of sulphur dioxide per million. | None. | |
| „ 16 | Cherries | Free from the presence of prohibited colouring matter, but contained 130 parts of sulphur dioxide per million. | None. | |