Centre for Environmental Modelling and Chemistry
Although these models are provided as "freeware", in fairness to the developers, the funding agencies and partners, and to all users, they are copyright.
License agreements are accessible through the individual model descriptions.
Databases within the models are not intended as an authoritative information source and all physical chemical properties should be verified by the user. Users should be especially careful about the temperature dependence of physical chemical properties.
From time to time we upgrade our models to correct any problems or errors and to reflect improvements in scientific knowledge. Check this page regularly for updates.
Thank you for your cooperation and your interest in our models.
Model Users' Guide
Special note for users from Continental Europe.
Currrently Available Models
AirWater Model, Version 2.00 Released November 2004
BASL4 Model, Version 1.10 Released April 2008
ChemCAN Version 6.00 Released September 2003
EQC Version 2.02 Released May 2003
FHX Model, Version 1.03 Released February 2011
Fish Model, Version 2.00 Released November 2004
FoodWeb, Version 2.00 Released March 2006
Indoor Model, Version 1.01 Released December 2010 - Temporarily removed while an update is being prepared.
Level I Version 3.00 Released September 2004
Level II Version 3.00 Released September 2005
Level III Version 2.80 Released May 2004
Mysid Model, Version 1.00 Released August 2007
PBPK Model, Version 1.00 Released August 2010 - Temporarily removed while an update is being prepared.
QWASI Model, Version 3.10 Released February 2007
RAIDAR Model, Version 1.00 Released November 2007
Sediment Model, Version 2.00 Released November 2004
Soil Model, Version 3.00 Released August 2005
STP Version 2.11 Released March 2006
TAOBAC Version 1.01 Released October 2009
TaPL3 Version 3.00 Released September 2003
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Last updated June 10, 2013.