GLP/Residue Studies
AGRES conducts all residue trials in accordance with the EPA’s Good Laboratory Practice (40 CFR Part 160). For all studies, we adhere to our comprehensive Standard Operating Procedures; available upon request. We report all studies and data as requested by the Study Director: paper and/or electronic notebook.
Tobacco Sampling
GLP services include:
- Crop Residue Studies
- Rotational Crop Studies
- Genetically Engineered Crop Studies
- APHIS COMPLIANT TRIALS

