[Report of the Medical Officer of Health for Port of London] page 6

City of London 1966

[Report of the Medical Officer of Health for Port of London]

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The source of contamination of storage on board two ships, after investigation, indicated
that the cause arose from small ports in the Middle and Far East. In each case cleaning of tanks
followed by chlorination of storage tanks and supply lines was carried out in accordance with the
recommendations laid down in the Ship Master's Medical Guide.
The 95.78% of 'Satisfactory', 'Good' and 'Excellent' results in the mains supply of the
Districts, as shown in Table 2, exceeded the average for the Port during the past seven years. A
result, no doubt, that the Authority's 'Code of Practice' (detailed in last year's report) and
policy of frequent sampling has done much to achieve.

Table: TABLE 1FRESH WATER SUPPLY SAMPLES - SUMMARY -1966.

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TABLE 1

FRESH WATER SUPPLY SAMPLES - SUMMARY -1966.

	HYDRANTS						STAND PIPES						DELIVERY HOSE ENDS						TOTALS
	Unfit	Unsat.	Suspic.	Satis.	Good	Excell.	Unfit	Unsat.	Suspic.	Satis.	Good	Excell.	Unfit	Unsat.	Suspic.	Satis.	Good	Excell.	TOTALS
Royal Victoria Dock	0	0	1	4	18	0	0	0	0	0	0	0	0	0	0	2	12	0	37
Royal Albert Dock	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	4	18	0	24
King George V Dock	0	0	0	0	1	0	0	0	0	0	0	0	0	1	0	1	15	0	18
Tilbury Dock	0	0	0	1	15	0	0	0	0	1	4	0	0	0	0	0	7	0	28
West India Docks	0	2	4	3	25	0	0	0	0	0	0	0	0	0	0	0	0	0	34
Surrey Com. Docks	0	0	0	0	13	0	0	0	0	0	20	0	0	0	0	0	4	0	37
Regents Canal Dock	0	0	0	0	0	0	0	0	0	0	4	0	0	0	0	0	0	0	4
London Dock	0	0	0	0	18	0	0	0	0	0	0	0	0	0	0	0	0	0	18
River Districts	0	0	0	0	0	0	0	0	0	0	6	0	0	0	0	0	4	0	10
Isle of Grain Area	0	0	0	0	3	0	0	0	0	0	0	0	0	0	0	0	3	0	6
TOTALS	0	2	5	8	94	0	0	0	0	1	34	0	0	1	1	7	63	0	216
Water Boats	TANKS						STAND PIPES						DELIVERY HOSE ENDS
Water Boats	0	0	0	0	8	0	1	0	0	0	3	0	0	0	0	0	9	0	21
GRAND TOTAL																			237

Table: Detail of grades used in the Port of London —

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Detail of grades 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.

Table: TABLE 2.FRESH WATER SAMPLE TOTALS & PERCENTAGES-1966.

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TABLE 2.

FRESH WATER SAMPLE TOTALS & PERCENTAGES-1966.

	Unfit	Unsat.	Suspic.	Satis.	Good	Excell	Totals
Hydrants	0	2	5	8	94	0	109
Stand Pipes	0	0	0	1	34	0	35
Delivery
Hose Ends	0	1	1	7	63	0	72
Water Boats	1	0	0	0	20	0	21
Totals	1	3	6	16	211	0	237
Percentages	0.42	1.27	2.53	6.75	89.03	0	100
				95.78%

London's Pulse: Medical Officer of Health reports 1848-1972

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City of London 1966

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Table: TABLE 1FRESH WATER SUPPLY SAMPLES - SUMMARY -1966.

Table: Detail of grades used in the Port of London —

Table: TABLE 2.FRESH WATER SAMPLE TOTALS & PERCENTAGES-1966.

London's Pulse: Medical Officer of Health reports 1848-1972

View report page

City of London 1966

Text

Table: TABLE 1FRESH WATER SUPPLY SAMPLES - SUMMARY -1966.

Table: Detail of grades used in the Port of London —

Table: TABLE 2.FRESH WATER SAMPLE TOTALS &amp; PERCENTAGES-1966.

Table: TABLE 2.FRESH WATER SAMPLE TOTALS & PERCENTAGES-1966.