



NPI Industry reporting
Most publications are available as PDF files. Adobe Acrobat Reader is required to view PDF files.
If you are unable to access a publication, please contact us to organise a suitable alternative format.
Links to another web site
Opens a pop-up window
Emission estimation technique manual - Version 3.1
Department of the Environment,Water, Heritage and the Arts, May 2008
The purpose of all emission estimation technique (EET) manuals in this series is to assist Australian manufacturing, industrial and service facilities to report emissions of listed substances to the National Pollutant Inventory (NPI). This manual describes the procedures and recommended approaches for estimating emissions from facilities that store fuels and organic liquids.
First published in March 1999
Version 2.0 - 29 April 2002
Version 2.1 - 10 July 2002
Version 2.2 - 19 May 2003
Version 2.3 - 24 February 2004
Version 2.4 - 30 August 2004
Version 2.5 - 21 October 2004
Version 3.0 - January 2008
Version 3.1 - May 2008
Estimates of emissions of NPI-listed substances to air, water and land should be reported for each substance that triggers a threshold. The reporting list and detailed information on thresholds are contained in the NPI Guide. In general, there are four types of emission estimation techniques (EET) that may be used to estimate emissions from a facility.
The four types described in the NPI Guide are:
Facilities with detailed information on their storage practices may use the USEPA TANKS software to estimate emissions from fuel and organic liquid storage. Details and instructions are available at: http://www.epa.gov/ttn/chief/software/tanks/