Updated

A propylene leak from a rail car has been contained at an industrial park in New Jersey.

Gloucester County spokeswoman Debra Sellitto says a valve stem on top of the tanker car failed and started leaking Thursday in Pureland Industrial Park in Logan Township. The car can carry up to 30,000 gallons, but it's not clear how much leaked.

Propylene is considered volatile and flammable.

Sellitto says one person received a non-life-threatening injury.

Hazmat teams will put a precautionary valve on top of the repaired valve to contain any failure.

Crews are going to evacuate businesses to do air monitor readings. After they get the all-clear, they will work on restoring power to the area and reopening roads.

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This story has been corrected to show that the car was carrying propylene, not propane.