Link Description German Association of the Gas and Water sector (DVGW) The overall association of the gas and water sectors. Information on W294 in water disinfection. Government regulation 93/43/EWG on food hygiene (HACCP) Disinfection in the foodstuffs sector, HACCP information. Website operator:Hygieneservice.com Government office for radiation protection Information on protection against UV radiation World Health Organization General information on UV radiation Database of the Health Department Frankfurt Water disinfection – download portal including drinking water regulations, guidelines etc US-Enviromental Protection Agency General information on air hygiene University of Berne – Microbiology Department Information on the DNA of micro-organisms Professional Association for printing and paper processing Safety instructions for UV in the UV curing sector International Ultraviolet Association International “UV Radiation” Association European Photochemistry Association EU Photochemistry Association

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