Department of the Environment, Water, Heritage and the Arts, September 2009
About this document
For the purposes of the National Pollutant Inventory (NPI), total volatile organic compounds (Total VOCs) are substances to be reported by facilities if the Total VOCs reporting threshold is exceeded. Total VOCs is an NPI substance because it represents photochemical smog precursors. As such Total VOCs can be generally defined as: any organic compound that participates in atmospheric photochemical reactions.