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There are different types of Audible/Visual (AV) indicator systems used on fume hoods at the University of Delaware. Your fume hood must have one of the indicators listed below. These indicators have an audio and/or visual indicator which alerts laboratory personnel if there is insufficient airflow in the fume hood or laboratory ventilation equipment.
There are four different indicators installed on fume hoods around campus:
When an AV system indicates a problem with the fume hood or ventilation equipment:
Questions or requests for more information may be addressed to Ann Woodall or call 831-7026.