[Report 1952] / Medical Officer of Health, River Blyth Port Health Authority.

  • River Blythe Port Health Authority.
Date:
1952
Catalogue details

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

Credit: [Report 1952] / 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 for ships from foreign ports No. of Deratting Certificates issued Number of Deratting Exemption Certificates issued 6 Total (Certificates issued After fumigation with After After trapping poisoning Total 3 4 j 5 | ! HCN 1 Other fumigant (state method) 2 / — _ j i ( j 79 Rod’ Certs. 33 Trapping has been carried out during the year but the ships affected were not in commission, therefore no certificates were issued. DERATISATION CERTIFICATES AND DERATISATION EXEMPTION CERTIFICATES ISSUED DURING THE YEAR Net Tonnage No. of Deratisation Certificates issued No. of Deratisation Exemption Certificates issued Total of Certificates issued After fumigation No. of with QUmc ... . . 1 After trapping, Poison¬ ing, etc. ► UIJUlJ HCN ! i 1 Sul- HCN phur and Sul- | phur 1 1 Ships up to 300 tons ... 21 — ; i — 21 ,, from 301 tons to 1,000 1 tons 37 j — 37 „ from 1,001 tons to 3,000 1 | ! tons 17 1 1 — 17 ,, from 3 001 tons to j i 10,000 tons 4 — — 4 B ,, over 10,000 tons ! j — —