The Office of Environmental Health and Safety facilitates annual certifications for fume hoods and biosafety cabinets on campus at UAH. OEHS provides certification for ducted fume hoods on campus, which are fume hoods that rely on the building-specific HVAC system to function. Fume hoods and biosafety cabinets are used for different types of applications, please refer to the guides covering each one to review the correct usage practices. Fume Hoods For questions on fume hoods, fume hood certification, and guidelines on usage of fume hoods, please contact the Chemical Hygiene Officer. Fume Hood Guidelines Biosafety Cabinets For questions on biosafety cabinets, biosafety cabinet certification, and biosafety guidelines for UAH, please contact the Biosafety Officer. Biosafety Cabinet Guidelines