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
Chingford 1950
[Report of the Medical Officer of Health for Chingford]
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Where the source of manufacture was outside the area of the Borough, copies of the Bacteriologist's reports were forwarded to the authorities concerned.
| No. | Type | Colonies per ml. on Agar @ 37°c in 48 hrs. | Coliform Test (3 tubes) | Bact. coli. Test (3 tubes) | Ministry Grade Hours/ Grade |
|---|---|---|---|---|---|
| 1 | Hot mix | 400 | 0/3 | 0/3 | 4½I |
| 2 | Hot mix | 900 | 0/3 | 0/3 | 4½/I |
| 3 | Hot mix | 120,000 | 3/3 | 0/3 | 2 /III |
| 4 | Hot mix | 1,200 | 0/3 | 0/3 | 4½/I |
| 5 | Hot mix | 1,200 | 0/3 | 0/3 | 4½|/I |
| 6 | Hot mix | 500 | 0/3 | 0/3 | 4½/I |
| 7 | Hot mix | 130,000 | 0/3 | 0/3 | 4½/I |
| 8 | Hot mix | 1,600 | 0/3 | 0/3 | 4½/I |
| 8a | Hot mix | 11,000 | 0/3 | 0/3 | 4½/I |
| 9 | Hot mix | 5,200 | 0/3 | 0/3 | 4½/1 |
| 9a | Hot mix | 7,300 | 0/3 | 0/3 | 4½/I |
| 10 | Hot mix (choc. ice) | 8,200 | 0/3 | 0/3 | 4½/I |
| 11 | Hot mix | 5,400 | 0/3 | 0/3 | 4½/I |
| 12 | Hot mix | 3,300 | 0/3 | 0/3 | 4½/I |
| 13 | Hot mix | 56,000 | 0/3 | 0/3 | 4½/1 |
| 14 | Hot mix | 600 | 0/3 | 0/3 | 4½/I |
| 15 | Hot mix | 17,000 | 0/3 | 0/3 | 3 /II |
| 16 | Hot mix | 4,800 | 0/3 | 0/3 | 4½/I |
| 17 | Hot mix (choc. ice) | 12,000 | 0/3 | 0/3 | 3 /II |
| 18 | Hot mix | 1,300 | 0/3 | 0/3 | 4½/I |
| 19 | Hot mix | 2,200 | 0/3 | 0/3 | 4½/I |
| 20 | Hot mix | 9,500 | 2/3 | 0/3 | 3 /II |
| 21 | Hot mix | 25,000 | 0/3 | 0/3 | 3 /II |
| 22 | Hot mix | 30.000 | 1/3 | 0/3 | 2 /III |
| 23 | Hot mix (choc. ice) | 32,000 | 0/3 | 0/3 | 4½/I |
| 24 | Cold mix | 1,500 | 0/3 | 0/3 | 4½/I |
| 25 | Hot mix | 60,000 | 2/3 | 0/3 | 3 /II |
| 26 | Hot mix | 1,400 | 0/3 | 0/3 | 4½/I |
| 27 | Hot mix | 7,800 | 0/3 | 0/3 | 4½/1 |
| 28 | Hot mix | 15,000 | 2/3 | 0/3 | 3 /II |
| 29 | Hot mix | 28,000 | 3/3 | 0/3 | 3 /II |
| 30 | Hot mix | 13,000 | 0/3 | 0/3 | 3 /II |
| 31 | Hot mix | 8,000 | 1/3 | 0/3 | 4½/I |
| 32 | Hot mix | 9,000 | 0/3 | 0/3 | 4½/I |
| 33 | Hot mix | 15,000 | 3/3 | 0/3 | 1½/III |
| 34 | Hot mix | 5,000 | 2/3 | 0/3 | 2½/II |
| 35 | Hot mix | 1,600 | 2/3 | 0/3 | 2 /III |
| 36 | Hot mix | 600 | 0/3 | 0/3 | 4½/I |
| 37 | Hot mix | 4,000 | 1/3 | 0/3 | 2½/II |
| 38 | Hot mix | 52,000 | 1/3 | 0/3 | 3½/II |
| 39 | Wrapped lolly | 38,000 | 2/3 | 0/3 | 2½/II |
| 40 | Hot mix | 6,800 | 2/3 | 0/3 | 2½/II |
| 41 | Hot mix | 5,200 | 1/3 | 0/3 | 4½/I |
| 42 | Hot mix | 1,400 | 0/3 | 0/3 | 4½/I |
| 43 | Hot mix | 5,000 | 0/3 | 0/3 | 4½/I |
| 44 | Hot mix | 100 | 0/3 | 0/3 | 4½/I |
| 45 | Hot mix | 700 | 0/3 | 0/3 | 4½/I |
| 46 | Hot mix | 22,200 | 2/3 | 0/3 | 2½/II |
| 47 | Hot mix | 400 | 0/3 | 0/3 | 4½/I |
| 48 | Hot mix | 200 | 0/3 | 0/3 | 4½/I |