London's Pulse: Medical Officer of Health reports 1848-1972

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City of London 1952

[Report of the Medical Officer of Health for Port of London]

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TABLE F.

Deratting Certificates and Deratting Exemption Certificates Issued during the Year for Ships from

Foreign Ports.

No. of Debatting Certificates Issued.Number of Deratting Exemption Certificates Issued. 6.Total Certificates Issued. 7.
After Fumigation withAfter Trapping. 3.After Poisoning. 4.After Trapping and Poisoning. 4(a)Total. 5
HCN 1.Other Fumigant (state Method) S.O2. 2.
123.2.9."1080" 13 " Warfarin" 2 Zinc-Phosphide 15 "Warfarin" & ZincPhosphicle 1 31.Trapping and "1080" 1 Trapping and "Warfarin" 2 Trapping & ZincPhosphide 3 6.171.808.979.

SECTION XIII—Inspection of Ships for nuisances.

TABLE G

Inspections and Notices.British owned vessels.Foreign owned vessels.
Number of vessels visited by Sanitary Inspectors6.8882,914
Number of vessels on which sanitary defects were found, and details reported to the Master, Owners and/or Ministry of Transport1,02694
Number of Statutory Notices servedNilNil
Number of vessels on which sanitary defects were remedied97493
Summary of Structural and other Defects.
Inadequate ventilation161
Defective Lighting—Natural2
Do. do. — Artificial4
Defective Heating18
Condensation281
Leaking Decks24
Leaking Ports, Decklights, etc.151
Leaking Sideplates2
Leaking Hawser and Chain Pipes1
Deficient or Obstructed Floor Drainage13-—
Water lodging on top of Peak Tanks3
Defective Bulkheads6
Do. Floors18
Do. Doors5
Do. Chain Pipes
Do. Bunks3
Do. Clothes Lockers4
Do. Food Lockers8
Do. Food Storage191
Do. Cooking Arrangements18
Defective or Uncleanly Drinking Water Storage5
Water Closet Obsolete51
Do. Defective37
Do. Foul or Choked181
Do. Inadequate Flush131
Wash Basins Defective13
Do. Foul61
Neglected Paintwork or Distemper332
Absence of Washrooms3
Absence of Messrooms31
Misappropriation of Crew Spaces1
Verminous Quarters896
Dirty Quarters81385
Miscellaneous461
Total1292103

INSECTICIDES USED IN SHIPS AGAINST INFESTATIONS IN LIVING ACCOMMODATION.
There has been a considerable development in the choice of insecticides and the methods of
applying them to living and ancillary accommodation such as galleys, storerooms, etc., since the war.
The principal insects to be attacked include flies, mosquitoes, fleas, bugs, cockroaches and ants.
A number of insecticides are now known to be highly lethal to such insects the more popular
being DDT, BHC, Lindane, Chlordane, Aldrin and Dieldrin, and the problem has been to find which
is the best to use and the best method of applying it.
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