HAZMAT crews have shutdown an area in Beresfield after a chemical spill.
Fire and Rescue crews were called after reports that 1000 litres of liquid form sodium hydroxide had escaped a storage container at a warehouse in Balbu Close, about 8.45am Monday.
On arrival at the scene crews discovered a container had ruptured after it was damaged by a vehicle, it what is suspected to be a workplace accident.
At least 600 litres of the substance had escaped the container, HAZMAT crews have since cordoned off the area.
More than 60 people were evacuated from the building and surrounding sites.
Paramedics were called to the scene as a precaution, but a police response was not required.
An exclusion zone of 200 metres has been put in place until further notice.
Crews contained the spill to a bunded area and will decant the product into HAZMAT bins.
SafeWork NSW remained on site throughout Monday, an investigation is ongoing.
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