According to the Operational Safety Regulation (BetrSichV), operators of wastewater facilities in areas where a hazardous explosive atmosphere may occur are required to create an explosion protection document. This document must outline the assessment of explosion hazards and the establishment of protective concepts. In practice, there are significant uncertainties and challenges in appropriately implementing these legal requirements. This information sheet aims to provide principles and solutions for ensuring explosion protection and the creation of explosion protection documents for all types of wastewater facilities, offering concrete guidance for a legally compliant and professionally appropriate implementation of the legal requirements. In addition to presenting the legal foundations and an overview of the relevant technical principles, it will particularly focus on...