This document specifies methods for determining temperature and time profiles during composting and anaerobic digestion for the production of compost and digestate. The process monitoring is an organized check and recording of the temperature during a specific time of the composting and anaerobic digestion process. This document only applies to composting and anaerobic digestion. This document is intended to be used by manufacturers and enforcement agencies for the purpose of manufacturing control. The requirements of this document can differ from national legal requirements for the production process of compost and digestate.