Following the tragic explosions, it is possible that there is potentially hazardous ash, debris or residues on vessels or cargo. A comprehensive list of chemicals involved is not yet available, but several hazardous chemicals are reported to have been in the main warehouse, including sodium cyanide (UN1689) and calcium carbide (UN1402).
The Japan P&I Club warns that, given the substantial size of the explosions and the suspected hazardous chemicals involved, ships and cargo in port at or near the times of the explosions may have been exposed to potentially hazardous dust, ash or debris.
The U.S. Coast Guard and Customs and Border Protection are monitoring all U.S. bound cargo and vessels that were in the port of Tianjin on or after August 12.
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