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

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Lewisham 1968

[Report of the Medical Officer of Health for Lewisham Borough]

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ANTI-FLY CAMPAIGN
During the period June to September, the usual measures were taken to deal with
fly breeding. Calls were made to potential sources, such as stables, piggeries and
similar premises throughout the Borough. Vacant sites which were well known to the
department as rubbish dumps were visited and deposits of litter removed and the
ground sprayed with insecticide. The treatment of dustbins with powder supplied by
the health department was carried out by the Borough Engineer & Surveyor's staff.
The caretakers of blocks of flats were supplied with material to enable them to deal
with refuse chutes and chambers.
PREVENTION OF DAMAGE BY PESTS ACT, 1949
The following table shows rat and mice destruction carried out by pest operatives
during 1968. No special comment is called for except to say that this is a continuing
problem.

Table 53

Local authorityDwelling houses (including council houses)All other (including business premises)TotalAgricultural
Properties inspected as a result of
(a) notification123,0992623,373
(b) survey3149323
(c) otherwise
Total inspections123,4132713,696
Properties inspected which were found to be infested by:—
(a) Rats—major
(b) —minor59631021,070
(c) Mice—major
(d) —minor289458954
Infested properties treated71,8571602,024
Retreatments232,9514283,402
"Block" control schemes carried out7, involving 323 premises

SWIMMING BATHS
There are 5 public swimming baths in the Borough. The following table shows
details of the laboratory tests taken during the year.

Table 54

BathNumber of testsVariation of chlorine (p.p.m.)
Ladywell90.00 — 3.80
Forest Hill North90.00 — 2.50
Forest Hill South90.04 — 2.50
Laurie Grove Large40.04 — 2.00
Laurie Grove Small90.04 — 5.00
Laurie Grove South90.03 — 1.20
Downham90.06 — 1.60
Bellingham (open air)20.02 — 0.25

The water used for these baths is supplied by the Metropolitan Water Board and is
sterilised by the breakpoint chlorination method, sodium carbonate and sodium
metephosphate being used to control acidity and to keep the pH above 7.2. Colorimetric
tests for free chlorine and pH value are also made at the baths at 9 a.m.,
1 p.m., and 6 p.m. on weekdays and at 9 a.m. and 12 noon on Sundays, the results
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