Some widely recognized standardized methods include: 1. OECD Test Guidelines: These cover a broad range of tests such as acute toxicity, skin sensitization, and genotoxicity. 2. EPA Methods: These include guidelines for environmental toxicity testing, such as the Toxicity Characteristic Leaching Procedure (TCLP). 3. ICH Guidelines: These include guidelines for safety pharmacology studies and toxicokinetic studies. 4. ISO Standards: These include methods for evaluating the biological safety of medical devices.
