The NSW Environment Protection Authority (EPA) has responsibility for regulating the use and disposal of waste that may be hazardous or potentially harmful to human health or the environment, such as hazardous chemicals, asbestos waste, construction and demolition waste. This audit will consider how effectively the EPA is managing its obligations with respect to the management and disposal of hazardous or harmful waste. This audit may also consider the role of local councils, authorities responsible for water quality, and users of hazardous materials.