London's Pulse: Medical Officer of Health reports 1848-1972
View report page
Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Sutton and Cheam 1955
[Report of the Medical Officer of Health for Sutton and Cheam]
This page requires JavaScript
B - Sewer Treatments
(1) Treatment No^ 18 - Second Maintenance Treatment
(1954-1955)
The second maintenance treatment of soil sewer-manholes in
areas known to be infested from the previous treatment and those
sections found to be infested during the annual 10% test baiting
(1954-55; was completed on the 23rd March, 1955.
Prebaiting with damped sausage rusks was carried out on two consecutive days and the same bait base with 2½% Zinc Phosphide added was laid on the third day with the following results: -
| SECTIONS | Total | |||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | ||
| Number of Manholes prebaited | 46 | Not baited | 49 | 65 | 42 | 202 |
| Complete prebait takes | - | 5 | 6 | 1 | 12 | |
| Partial prebait takes | 5 | 8 | 12 | 3 | 28 | |
| Percentage of takes (C . and P.) | 10.8 | 26.5 | 27.7 | 9.5 | 19.8 | |
| Number of manholes poison baited | 6 | 23 | 27 | 7 | 63 | |
The number of prebait takes show a slight decrease of 4.4%
on the previous maintenance treatment.
(2) Test Baiting (1935-561
The Borough was divided into five sections, as in previous
tests, and a test baiting of 10% of the soil-sewer manholes in
areas previously cleared or thought not to be infested was
carried out during the month of August.
The following is a tabulated summary of the results:-
| SECTIONS | Total | |||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | ||
| Number of manholes baited | 16 | 23 | 52 | 61 | 48 | 200 |
| Complete bait takes | 9 | - | 5 | 1 | 9 | 24 |
| Partial bait takes | - | - | - | - | 1 | 1 |
| Baits not taken | 7 | 23 | 47 | 60 | 38 | 175 |
Treatment No. 19 - First Maintenance Treatment
1955-56)
This treatment was confined to the areas known to have been
infested during the previous maintenance treatment together with
sections proved to be infested by the annual 10% Test, and
operations were completed on the 1st October, 1955.
Prebaiting with damped sausage-rusks was carried out on two
consecutive days and the same bait base with 2½% Zinc Phosphide
added was laid on the third day.
30