Validation Methods FDA, Guidelines for the Validation of Chemical Methods in Food, Feed, Cosmetics, and Veterinary Products 3rd Edition (eff. 10/2019) Download PDF FDA, Guidelines for the Validation of Chemical Methods in Food, Feed, Cosmetics, and Veterinary Products 3rd Edition (eff. 10/2019) Download PDF AOAC. Methods Committee Guidelines for Validation of Microbiological Methods for Food and Environmental Surfaces (eff. 2012) Download PDF AOAC. Guidelines for Single Laboratory Validation of Chemical Methods for Dietary Supplements and Botanicals (eff. 2019) Download PDF FDA. Analytical Procedures and Methods Validation for Drugs and Biologics (eff. 07/2015) Download PDF International Conference on Harmonization (ICH), Harmonized Tripartite Guideline Validation of Analytical Procedures: Text and Methodology (eff. 11/2005) Download PDF USDA: FSIS. Guidance for Test Kit Manufacturers, Laboratories: Evaluating the Performance of Pathogen Test Kit Methods (eff. 10/2010) Download PDF