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 Walthamstow]
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Plate Count | Coliform Reaction (in 1/10 ml.) | Bactcrium coli (in 1/10 ml.) | Satisfactory | *Passable | Not Passable | Methylene Reduction time | Blue Test Grade |
---|---|---|---|---|---|---|---|
x3 tubes | - | X | In 0 hours | 4 | |||
x3 tubes | x2 tubes | X | „ 0 „ | 4 | |||
x3 tubes | — | X | „ 0 „ | 4 | |||
x3 tubes | — | X | 4 | ||||
* The Bacteriologists' reports call attention to desired improvements. |
By the old test, of a total of 114, 78 were in the categories
"Very Satisfactory" or "Satisfactory" and 28 "Passable." In
the latter group the bacteriologists invariably amplified their
classification with a special note.
By the new (provisional) test, 71 were in Grade I, 22
Grade II, 11 Grade III, 9 Grade IV and one could not be examined.
When an unsatisfactory sample is obtained the vendor is
re-sampled as soon as possible.
In the case of ice cream manufactured other than within the
district, copy reports are sent to the appropriate local authority.
Ice Lollies.
Twelve samples were submitted to the Public Analysts who
reported all free from metallic poisoning.
(c) Meat and Other Foods.
The Live Stock (Restriction of Slaughtering) Order, 1940, continued
in force and no slaughtering was carried out.
The following summary gives details of food condemned as
unfit for human consumption. Where possible the food was
salvaged for animal feeding purposes, etc.
1324 tins Evaporated Milk 17 tins Sardines
496 „ Full-Cream Milk 12 „ Herrings
300 „ Machine Skimmed 4 „ Sild
Milk 2 „ Crab
78 „ Malted Milk 2 „ Mackerel
557 „ Baby Food 1 tin Mussels
76 „ Strained Foods 1 „ Shrimps
363 „ Roe 1 „ Fish Omelets
67 „ Pilchards 640 tins Peas
48 „ Crawfish 402 ,, Beans
40 „ Fish Paste 82 „ Carrots
32 „ Brisling 64 „ Tomatoes
31 „ Salmon 38 „ Beetroot