The South Jersey Times cites the Gloucester County Freeholder director Robert Damminger - a local official - who confirmed that at least one of the carriages contained vinyl chloride.
It also quote county officials as saying that an environmental clean-up firm is attempting to place booms in the waterway to contain the spill.
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The police officer who shot dead Michael Brown says he has a clear conscience over his actions.
The three-year-old boy was reported to have repeatedly said "mummy shot" after the tragic accident.
A wet and chilly night for many, leading into a cloudy, rainy morning tomorrow. Expect some fog patches.