International organizations such as the American Society for Testing of Materials (ASTM), the Institute for Standards Research (ISR), the European Standardization Committee (CEN), the International Standardization Organization (ISO), the German Institute for Standardization (DIN), the Italian Standardization Agency (UNI), and the Organic Reclamation and Composting Association (ORCA), are all actively involved in developing tests of biodegradability in different environments and compostability.