The operator of an industrial shed that caught fire south of Brisbane last week is under investigation for environmental offences. 

It is alleged that the operator was illegally storing tyres and chemical drums when the property caught fire on Friday. Over 60 firefighters worked to control the blaze overnight, as nearby residents in Park Ridge reported toxic smells.

The company could face up to $3.2 million in fines for illegally stockpiling tyres under current legislation.