1. Centre for Veterinary Drug Residues, Canadian Food Inspection Agency, 116 Veterinary Road, Saskatoon, Saskatchewan, Canada S7N 2R3
2. National Laboratory Operations, Canadian Food Inspection Agency, 1400 Merivale Road, Tower 1, Floor 3, Ottawa, Ontario, Canada K1A 0Y9
3. Dartmouth Laboratory, Canadian Food Inspection Agency, 1992 Agency Drive, Dartmouth, Nova Scotia, Canada B2Y 3Z7