Emergency Procedures For Toxic Vapor Release on Tankers or accidental Chemical Spill on Container ships
Accidental release of toxic vapours from oil tankers and container ships carrying dangerous cargo involved many hazards. The procedures mentioned below are guidelines in event of an accidental Toxic Vapor Release on Tankers and for an accidental Chemical Spill on Containerships.
In Case Of Tankers:
Raise alarm
If in port, advise terminal
Stop any Cargo Operations and then Shut Tank and Manifold Gate Valves
All crew to muster inside accommodation and close all doors
Stop air conditioning / ventilation to living and working spaces.
(But maintain to operate the Pump Room Exhaust Fans, if applicable)
Notify nearest coast state and other vessels in vicinity
If at sea, Master to alter course, if possible, to blow vapors away from accommodation
Check MSDS for emergency procedures
Crew, wearing SCBA and PPE, go about to isolate source of leak.
Fig:Oil tanker Golden Victory underwayIn Case Of Container ships:
Raise alarm
Identify the cargo involved in the spill – if it is IMDG cargo, then from corresponding UN number, the specific EmS (“Emergency schedule for Spillage and Fire” in IMDG Supplement) is to be noted.
If not, it can be washed overboard if vessel is not in a special area or less than 12 miles from coast.
Refer to the appropriate EmS Spillage Schedule of spilt cargo for general guidance and measures for spill on deck and under deck.
Consider sealing off ventilation, air conditioning and other openings to living and working spaces.
If necessary, seek expert advice from shore
If the chemical in the spill is harmful to skin or if in least doubt, chemical suit to be worn by persons tackling the spill
If the spill is inside a confined space, SCBA is to be used.
If the cargo is a marine pollutant, it is to be collected onboard and discharged ashore. Any pollution to be reported as per SOPEP.
Any contaminated clothing to be discarded
First aid to be administered if required, as per MFAG
(“Medical First Aid Guide” in IMDG Supplement)
Related Information
Treatment for waste oil or oily bilges
Oil pollution control method
Handling guideline for oil cargo
Oil pollution prevention method
Preparation for loading oil cargo
How to prevent spillage of oil cargo
General precautions for oil cargo loading in tankers
General precautions for tankers
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Toxic gases hazards and related countermeasures onboard oil tankers
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