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Emission estimation technique manual – Version 2.0
Department of the Environment,Water, Heritage and the Arts, July 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 engaged in maritime operations.
Activities covered in this manual apply to facilities primarily engaged in the operation of ports (ie. the loading and unloading of freight), ballasting, transit, and maintenance and general upkeep of ocean going and inland water vessels. This manual does not cover facilities engaged in shipbuilding, refit, overhauls, and dry-docking activities.
First published in December 1999
Version 1.1 - 25 June 2001
Version 2.0 - July 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: