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The number involved over the year was: —
Total number of medical assessments 1,802 (1,830)
Total number of physical examinations 479 (467)
Total number examined for continued service 19 (18)
Total number found unfit for further service 4 (12)
The figures for 1970 are given in brackets.
Further medical advice is given as requested by any member of the Council's staff.
ARTIFICIAL DIALYSIS
In accordance with the general approval issued by the Ministry of Health in January,
1968, arrangements continue to be made, in collaboration with the Housing Officer and
the Borough Engineer, for home renal dialysis units to be installed in council and private
properties for patients referred by various hospitals.
Six residents of the Borough have been helped under the scheme; one in 1968, one
in 1969, three in 1970 and one in 1971. The cost of adaptations has been as little as £15
in one case and as much as £940 in another.
WATER SUPPLY
All the dwellings in the Borough are supplied from the Metropolitan Water
Board's mains, and I am indebted to Dr. E. Windle Taylor, Director of Water
Examination, Metropolitan Water Board, for the following report:
" 1 a) The supply was satisfactory both as to (i) quality, and (ii) quantity throughout
1971.
b) All new and repaired mains are disinfected with chlorine; after a predetermined
period of contact the pipes are flushed out and refilled; samples of
water are then collected from these treated mains; and the mains are returned
to service only after analytical results are found to be satisfactory.
The quality control from these laboratories is carried out by means of
daily sampling from sources of supply, from the treatment works or well
stations, from the distribution system, and through to the consumer. Any
sign of contamination or any other abnormality is immediately investigated.
c) (i) The Board has no record of the number of structurally separate dwellings
supplied in your area, but the population supplied direct according to the
Registrar General's estimate at 30th June, 1971, was 180,935.
(ii) No houses were permanently supplied by standpipe.
d) No artificial fluoride is being added, and where the fluoride content is indicated
in the analyses it represents the naturally occurring fluoride in the water.
2 a) The supply was derived from the following works and pumping stations:
Thames Valley Group.
No new sources of supply were instituted and there were no changes to
the general scheme of supply in your area.
The number of samples collected and the bacteriological and chemical
analyses of the supply from the above sources after treatment are shown on
page 42.
b) On account of their hardness content and alkaline reaction the Board's river
and well water supplies are shown to be not plumbo-solvent. It should however,
be appreciated that all types of water pick up varying amounts of metal
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