Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for Surbiton]
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In February the tenth maintenance treatment of the Corporation's sewer system was carried out as followsj-
Area | No. of manholes pre-baited | No.of manholes showing takes of pre-bait and subsequentky poison baited. | No. of manholes showing takes of poison bait. |
---|---|---|---|
1 | 9 | 1 | 1 |
2 | 11 | 4 | 3 |
3 | 4 | 3 | 1 |
4 | 12 | 8 | 3 |
6 | 8 | - | - |
9 | 3 | - | - |
47 | 16 | 8 |
In August the eleventh maintenance treatment of the Corporation's sewer system was carried out as follows •-
Area | No. of manholes pre-baited | No. of manholes showing takes of pre-bait and subsequently poison bait ed. | No. of manholes showing takes of poison bait. |
---|---|---|---|
1 | 1 | 1 | 1 |
2 | 4 | 3 | 3 |
3 | 3 | 1 | 1 |
4 | 8 | 2 | - |
16 | 7 | 5 |
Normally In each December annual test baiting of the Corporation's sewers is carried out, but in view of
the small number of "takes" of poison bait recorded in the recent maintenance treatments, the Ministry
of Agriculture and Fisheries agreed that this work be postponed until the summer months.