To limit the probability that dangerous goods containers or packaging will sustain water damage in the event of accidental water leakage and accumulation on the floor, which could lead to pile instability or failure of the containers or packages, which could lead to the unwanted release of dangerous goods, which could lead to harm to the public.
To limit the probability that spill control operations will be delayed, which could lead to the spread of dangerous goods, which could lead to harm to the public.