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Terrestrial Models

T-REX Version 1.4.1 (Terrestrial Residue Exposure)

T-REX is used by OPP to estimate pesticide concentration on avian and mammalian food items.

Executable (Microsoft ® Excel file) (798kb)
User Guide

T-HERPS Version 1.0 (Terrestrial Herpetofaunal Exposure Residue Program Simulation)

T-HERPS is a simulation model that estimates exposure to terrestrial reptiles and amphibians from pesticide use.

Executable (Microsoft ® Excel file) (475kb)
User Guide

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