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            Working Safely with Laboratory Fume Hoods

            Working Safely with Laboratory Fume Hoods

            Working Safely with Laboratory Fume Hoods

            • Ensure the exhaust is operating berfore commencing work
            • Use approriate personal protective equipment
            • Keep your head outside of the hood
            • Work as far into the hood as possible and with slow deliberate movements
            • If a potential for explosion exists, a blast shield should be utilized
            • If a combination sash is installed, do not open the vertical and horizontal sashes simultaneously
            • Do not remove airfoil or baffles as they aid the hood's airflow
            • Do not use the hood as a storage area - items can affect airflow and interfere with containment
            • Do not use the hood's sink for waste disposal
            • Do not let chemicals evaporate in the hood as a means of disposal
            • Do not leave uncapped bottles of chemicals or waste in the hood
            • If performance is suspected, or an airflow alarm is triggered (if installed), terminate usage, close the sash completely and cease work
            • Do not use perchloric acid in a conventional fume hood - explosive perchlorate salts could accumulate in the exhaust system
            • Minimize external airflow disturbances including foot traffic
            • Perform routine maintenance and certification