Guidance on Efficacy Studies required to GLP for EPA
The MHRA has produced a guidance document detailing study types which the EPA require to be done to GLP, called Pesticide Efficacy Studies Intended for Submission to the United States Environmental Protection Agency (August 2007).
Official Recognition of Efficacy Testing
There is no requirement for efficacy testing to be undertaken to GLP in the UK.
In the UK efficacy testing of Plant Protection Products must be undertaken by facilities registered with the the Chemical Regulation Directorate's (formerly known as PSD) 'Official Recognition' scheme.
Visit the CRD Website for more details.