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
Walthamstow 1949
[Report of the Medical Officer of Health for Walthamstow]
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| Plate Count | Old Standard Test | New (Provisional) Test Methylene Blue Test | |||||
|---|---|---|---|---|---|---|---|
| Conform Reaction (in 1/10 ml.) | Bacterium coli (in 1/10 ml.) | Very satisfactory | Pass-able | Not Pass- able | |||
| Reduction time | Grade | ||||||
| 60,000 | x3 tubes | — | X | „ ½ „ | 3 | ||
| 500,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 500,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 120,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 90,000 | x3 tubes | — | X | „ o „ | 4 | ||
| 120,000 | x3 tubes | — | X | „ o „ | 4 | ||
| 250,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 72,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 6,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 300,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 150,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 20,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 27,000 | x3 tubes | — | X | „ 0 „ | 4 | ||
| 9,000 | x3 tubes | — | X | „ o „ | 4 | ||
By the old test, of a total of 114, 108 are in a category not
less than " passable," whereas by the new (provisional) test 93
were classified as "satisfactory" (Grades 1 and 2) ; eight in
Grade 3 and 13 in Grade 4.
The presence of Bacterium Coli was reported in one sample
only.
Care in manufacture and handling still predominates.
(c) Meat and Other Foods.
The Live Stock (Restriction of Slaughtering) Order, 1940, continued
in force and no slaughtering was carried out during the year.
The following list gives details of meat and other food condemned as unfit for human consumption. Where possible, the food was salvaged for animal feeding purposes.
| 3091 tins Evaporated Milk | 20 „ Sardines |
| 444 „ Full Cream Milk | 14 „ Hake |
| 98 „ Machined Skimmed | 12 „ Fish Paste |
| Milk | 9 „ Herrings |
| 21 „ Malted Milk | 8 „ Mackerel |
| 17 lbs. Dried Milk | 7 „ Snoek |
| 6 tins Dried Egg | 5 „ Crab |
| 38 „ Baby Food | 3 „ Iceland Cheeko |
| 146 „ Cod Liver & Roe Paste | 2 „ Haddock Liver |
| 110 „ Pilchards | 2 „ Brisling |
| 74 „ Crayfish | 2 „ Whiting |
| 46 „ Fried Fish | 2 „ Anchovy |
| 41 „ Mussels | 2 „ Herring Spread |
| 41 „ Salmon | 1 tin Kipper Snacks |
| 30 „ Roe | 1 „ Shrimps |
| 26 „ Silds | 1 ,, Whalemeat Loaf |