[Report of the Medical Officer of Health for Carshalton].

  • Carshalton (Surrey, England). Urban District Council.
Date:
[1955]
Catalogue details

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: [Report of the Medical Officer of Health for Carshalton]. Source: Wellcome Collection.

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    Atmospheric Sulphur Dioxide (Calculated in parts per 100 million) All Days Weekdays (Mon.-Fri.) Weekends[] (Sat. & Sun.) Average Maximum Total S02 Total S02 October 0.08 1.40 1.40 1.32 November 2.62 13.43 69.14 6.85 December 3.13 40.89 85.72 11.42 Total 5.83 45.72 156.26 19.59 Mean 1.94 — 52.08 6.53 Smoke (Calculated in milligrams per 100 cubic metres) All Days Weekdays (Mon.-Fri.) Weekends (Sat. & Sun.) Average Maximum Total Smoke Total Smoke October 4.61 21.65 119.96 23.23 November 13.47 49.62 343.25 47.59 December 10.67 37.35 288.98 41.91 Total 28.75 108.62 752.19 112.73 Mean 9.58 — 250.73 37.57 Prevention of Damage by Pests Act, 1949 The work of pest destruction was continued in conformity with the arrangements agreed with the Ministry of Agriculture and Fisheries. Eight thousand one hundred, and eighty-four visits were made by the Rodent Operatives concerning 1591 properties and 340 rat and mouse infestations found. Of that number 296 were found in private premises, 34 in business premises and 10 in Council premises. With regard to sewers, two maintenance treatments were carried out, one in May and the other in November. The results are shown in the following table, together with those for the three previous years: May Treatment November Treatment 1951 1952 1953 1954 1951 1952 1953 1954 Manholes baited 87 153 195 166 252 266 205 172 Manholes in which takes of prcbail were recorded 34 43 66 65 79 117 73 53 Percentage of manholes showing infestations 39 28 33.8 39.1 31 44 35.6 30.8 Percentage in relation to total manholes in distric 3 3.8 5.8 5.7 7 10.3 6.4 4.7 29
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