All accidents, even minor ones, are recorded, and routine reports are submitted. An alarm for evacuating each laboratory is provided, frequently tested, and the alarm control is readily accessible. A general alarm system for the entire building, and emergency and security services are provided. Household-type refrigerators are not used for chemical storage unless modified by removing electrical controls to outside the cabinet, including lights and butter bin, and door closures replaced with magnets. Refrigerators are never used for food.
Laboratory has at least two exits.
Laboratory sinks have rubber or plastic mats in the sink and on the drain, and soap and hot water are available at each sink. Drainage from laboratory sinks is kept separate from drainage of other facilities. Beakers are not used for drinking. Disposable cups are provided near the drinking fountain. Personnel have been instructed never to taste chemicals for identification purposes, and to smell chemicals only by wafting a small amount of vapor toward the nose with the hand.