Oil spill in Jamaica

Maritime News Marine Incidents
1

It has been reported in the local press that 2000 Ltrs. of heavy crude oil stored in plastic bags leaked from one of the container stored on deck, (not in the hold) of the container ship CSS Wind:

Furthermore:

PS> I could not find any vessel called CSS Wind, but there is one called CFS Wind that is presently in Kingston, Jamaica:

2

Stored in plastic bags? Are they special bags or just stuff you buy at the supermarket?

Edit: oh…
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Well, looks like a bad idea.