NPI Industry reporting
Emission estimation technique manual – Version 3.0
Department of the Environment, Water, Heritage and the Arts, June 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 combustion engines.
The activities covered in this manual apply to facilities using
- Petrol and diesel industrial engines
- Petrol and diesel light vehicles, commercial vehicles and trucks on the facility
- Large stationary diesel and dual-fuel engines
- Heavy-duty natural gas fired pipeline compressor engines and turbines
First published in February 1999
Revised - August 2000
Version 2.3 - 22 October 2003
Version 3.0 - June 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 technique (EET) that may be used to estimate emissions from a facility.
The four types described in the NPI Guide are: