The Hygiene Institute of the Ruhr Area offers a comprehensive range of services in the fields of environmental hygiene and toxicology. Our expertise includes the analysis and assessment of drinking water and bathing water, the analysis of environmental samples, as well as the testing of materials and products for their hygienic suitability. In addition, we carry out hygiene inspections of ventilation and air conditioning systems and offer certification services. Our work is based on recognized quality standards and serves the protection of the environment and public health.