Terrestrial Models for Pesticide Risk Assessment: Previous Versions
Go to our Terrestrial Models for current information and guidance related to pesticide risk assessments.
The superseded information on this page is provided as a courtesy and service for those who desire access to terrestrial models information and guidance as used in historical pesticide risk assessments
T-REX (Terrestrial Residue Exposure)
T-REX is used by OPP to estimate pesticide concentration on avian and mammalian food items.
- T-REX Version 1.5.1(SUPERSEDED) Executable(11 pp, 569 K, October 2012)
- T-REX Version 1.5(SUPERSEDED) - Executable(11 pp, 569 K, March 2012)
- T-REX Version 1.5(CURRENT) User Guide
- T-REX Version 1.4.1(SUPERSEDED) Executable(11 pp, 817 K, December 2008)
- T-REX Version 1.4.1(SUPERSEDED) User Guide