The landlord is responsible. However, only accredited bodies are authorized to take water samples in accordance with the DIN EN ISO 19458:2006-12 standard. As a partner of the housing industry, Minol has been conducting Legionella testing since 2012 and is very familiar with the requirements. Cooperations with leading laboratory partners guarantee nationwide service availability. Incidentally, landlords can pass on the costs of recurring, preliminary Legionella testing to tenants as operating expenses.