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 1971
[Report of the Medical Officer of Health for Port of London]
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TABLE 2
FRESH WATER SUPPLY SAMPLE TOTALS & PERCENTAGES
| Unfit | Unsat. | Suspic. | Satis. | Good | Excell | Totals | |
|---|---|---|---|---|---|---|---|
| Hydrants | 2 | 5 | 7 | 73 | 24 | 111 | |
| Stand Pipes | 2 | 8 | 91 | 7 | 108 | ||
| Delivery | 4 | 41 | 25 | 49 | 12 | 131 | |
| Hose Ends Water Barges | 1 | 9 | 6 | 29 | 5 | 50 | |
| Totals | 7 | 57 | 46 | 242 | 48 | 400 | |
| Percentages | 1.75% | 14.25% | 11.5% | 60.5% | 12% | 100% | |
| 84% | |||||||
Distribution aboard ships-
Of 66 samples drawn in the crew and passenger accommodation and galleys on board ships:-
11 were excellent
23 were good
13 were satisfactory
19 were suspicious
Storage aboard ships -
Of 4 samples drawn direct from ships storage tanks:2
were good
1 was satisfactory
1 was unsatisfactory
Port Installations -
Of 123 samples drawn from dock offices, dock canteens, drinking fountains, etc:-
20 were excellent
85 were good
9 were satisfactory
9 were suspicious
River Thames Passenger Launches-
68 samples were drawn under the Food Hygiene (General) Regulations, 1970 from licensed
bar taps and storage tanks on board River Thames passenger launches:—
10 were excellent
22 were good
10 were satisfactory
22 were suspicious
4 were unsatisfactory
Standards used in the Port of London—
| Quality | Plate count per ml. | Coliforms per 100 ml. |
|---|---|---|
| Excellent | Nil | Nil |
| Good | Less than 100 | Nil |
| Satisfactory | Less than 300 | Nil |
| Suspicious | More than 300 | Less than 5 |
| Unsatisfactory | More than 300 | More than 5 |
| Unfit | — | More than 5 and including faecal coli. |
SECTION VI - PUBLIC HEALTH (SHIPS) REGULATIONS 1970
1. List of Infected Areas (Regulation 6) - Arrangements for the preparation and amendments of
the list, the form of list, the persons to whom it is supplied and the procedure for supplying it to
those persons.
This Regulation is complied with in such a way that Pilots, Customs Officers and Ships'
Masters may be in no doubt as to their duties. The general areas in which quarantinable diseases
may be found are set out in the Directions and Requirements printed with the International Maritime
Declaration of Health. Any variation in these areas is notified immediately by telephone and
confirming letter to Trinity House and the Collector of H.M. Customs & Excise.
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