Fire and Rescue NSW Hazardous Materials crews remain at the scene of yesterday's major fire and chemical emergency in Sydney's west.
More than 100 firefighters and 20 fire trucks were confronted by 60-metre-high fireballs at the waste recycling plant in Christies Street, St Marys.
Industrial Fire Fallout
FRNSW is working with site management, the NSW Environment Protection Agency and Comcare
Burning gas bottles and chemicals caused numerous explosions at the height of the blaze, forcing authorities to evacuate workers nearby.
Once the fire was contained early last night, firefighters worked through the evening to extinguish persistent hot spots.
FRNSW is working with site management, the NSW Environment Protection Agency and Comcare to execute a Hazardous Materials management plan, including monitoring runoff from firefighting efforts.
Aerial Threat Assessment
FRNSW's Aviation Unit is using Remotely Piloted Aircraft Systems or drones, to provide valuable threat and damage assessments at the scene. FRNSW fire investigators are also at the site to determine the origin and cause of the fire.