Under conditions prescribed in environmental authorities companies are also required to:
carry out a risk assessment and provide detailed information to the department about any chemicals that are proposed to be used in hydraulic fraccing activities. The use of BTEX (benzene, toluene, ethyl-benzene and xylene) in stimulation fluids (including hydraulic fraccing fluids) is strictly regulated during these activities
progressively rehabilitate land over the life of a petroleum project, as part of the conditions of the environmental authority. A company will not be able to surrender its environmental authority until the government is satisfied that all rehabilitation requirements have been met.
Compliance with conditions is mandatory under the EP Act. There are heavy penalties for non-compliance. To support the environmental regulatory framework a suite of guidelines and factsheets are available.