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
Haringey 1967
[Report of the Medical Officer of Health for Haringey]
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A1 — residential area with high density housing or with medium density housing in multiple
occupation, in either case surrounded by other built-up areas.
A2 — predominantly A1, but interspersed with some industrial undertakings.
A3 — residential area with high density housing or medium density housing in multiple occupation
surrounded by or interspersed with open spaces.
B1 - residential area with medium density housing, typically an inner suburb or housing estate,
surrounded by other built-up areas.
D2 — small town centre; limited commercial area mixed with old residential housing and possibly
industry.
| Month | Hornsey Town Hall Site | Hampden Road, N.8. Site | ||||||
|---|---|---|---|---|---|---|---|---|
| Rainfall (inches) | Deposits - Tons per square mile | Rainfall (inches) | Deposits - Tons per square mile | |||||
| Dissolved | Undissolved | Total | Dissolved | Undissolved | Total | |||
| January | 1.48 | 4.23 | 3.77 | 8.00 | 1.47 | 3.57 | 4.03 | 7.60 |
| February | 2.00 | 5.41 | 6.75 | 12.16 | 2.14 | 6.09 | 5.94 | 12.03 |
| March | 1.18 | 3.54 | 4.75 | 8.29 | 1.23 | 3.43 | 4.49 | 7.92 |
| April | 1.93 | 4.32 | 6.12 | 10.44 | 2.25 | 4.70 | 6.03 | 10.73 |
| May | 3.63 | 10.63 | 6.27 | 16.90 | 3.56 | 9.35 | 11.23 | 20.58 |
| June | 1.85 | 4.10 | 8.51 | 12.61 | 1.81 | 4.28 | 5.76 | 10.04 |
| July | 1.19 | 3.42 | 6.26 | 9.68 | 0.97 | 3.66 | 6.06 | 9.72 |
| August | 1.53 | 1.97 | 4.36 | 6.33 | Noresults - sample interfered with | on site | ||
| September | 2.21 | 3.82 | 5.06 | 8.88 | 1.97 | 4.59 | 4.60 | 9.19 |
| October | 3.90 | 7.80 | 4.55 | 12.35 | 4.14 | 7.21 | 4.76 | 11.97 |
| November | 1.62 | 4.26 | 3.73 | 7.99 | 1.50 | 4.95 | 2.27 | 8.63 |
| December | 2.25 | 5.52 | 4.92 | 10.44 | 1.93 | 4.68 | 4.13 | 8.81 |
| Total | 24.77 | 59.02 | 65.05 | 124.07 | 22.97 | 56.51 | 59.30 | 117.22 |
Rodent Control
A continuous programme of sewer baiting using sodium fluoracetamide is carried out which is
designed to minimise the rat infestations in the sewers.
Once a year an additional control treatment is carried out to ascertain the estimated rat population
in each of the sewer systems. A deposit, comprising 6ozs. of oatmeal to which has been added anticoagulant
poison (Warfarin), is placed within each of the sewer manholes of the system. One week
later the deposit is inspected and, if necessary, made up to the original size of 6ozs. The following
week the process is repeated. Results in each case are recorded. Statistics are thus produced which
indicate the areas of the sewer system where no bait has been taken or the take has been small
indicating slight infestations and areas where there have been large or complete 'takes' which indicate
heavy infestations. Areas of heavy infestations are then further treated with sodium fluoracetamide.
In 1967 70% of the sewer manholes were checked in this way, and the results are shown in the
following table.
In addition to the treatment of sewers any surface infestations of rats or mice which may be
reported receive immediate attention. The services of the Council's rodent operatives are provided
free of charge for the treatment of infestations in domestic premises. A charge to cover the cost of the
operator's time and the materials used is made for the treatment of other premises.
The following is a summary of dwelling houses and business premises etc., treated during 1967:-
1. Dwelling houses - 1471
2. Factory premises - 63
3. Shops and Cafes - 38
4. School canteens - 42
5. Miscellaneous - 47
6. Total charge for 2 - 5 above - £292.13s.Od.
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