Pesticide Registration Toolkit

Index to terms:

Terms and definitions

The terms and definitions indexed below are commonly used in pesticide hazard and risk assessment, pesticide efficacy and residue evaluation, product chemistry assessment and other aspects of pesticide registration. They are based on internationally recognized sources [referred to in square brackets], which can be accessed through the Sources link.

In some cases, two definitions are listed for the same term. This may be the case if a more specific definition is linked to a specific organization or regulatory use of the term (e.g. GHS terms).

Please feel free to request additional definitions or descriptions of terms found in the Toolkit, which may not be entirely clear or can be interpreted in different ways. You can use the feedback button below the text to do so

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(select the first letter of the term you are looking for)