[Report 1961] / Medical Officer of Health, River Blyth Port Health Authority.

River Blythe Port Health Authority.

Date:: 1961

Catalogue details

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

Credit: [Report 1961] / Medical Officer of Health, River Blyth Port Health Authority. Source: Wellcome Collection.

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Table F Deratting Certificates and Deratting Exemption Certificates issued during the year 1960 for Ships from Foreign Ports No. of Deratting Certificates issued Number of Deratting Exemption Certificates issued Total Certificates issued After Fumigation with After Trapping After Poisoning Total HCN Other Fumigant (state method) — — — — 114 114 Deratting Certificates and Deratting Exemption Certificates issued during the year 1961 Net Tonnage No. of Ships No. of Deratting Certificates issued No. of Deratting Exemption Certificates issued Total Certificates issued After Fumigation with , After Trapping Poisoning, &c. HCN Sulphur HCN and Sulphur Ships up to 300 tons... 23 23 23 Ships from 301 tons to 1,000 tons 40 — — — — 40 40 Ships from 1,001 tons to 3,000 tons 46 — —- — —- 46 46 Ships from 3,001 tons to 10,000 tons ... 5 — -—- — — 5 5 Ships over 10,000 tons — — — — — — — Total 114 1 — 1 — — — 114 114 6