Directional airflow from the corridor to the laboratory is evident. Chemical Fume Hoods and all local exhaust devices are certified. The appropriate corridor width is maintained free and clear of storage and obstructions and no storage is present in horizontal exits, stairwells, areas of refuge and elevator lobbies. Combustible materials are stored within suitable metal cabinets with metal doors. All emergency equipment including safety showers, eyewashes, sprinklers, fire extinguishers and fire alarm pull stations are maintained with full and unobstructed access.
Exit signs are in place and easily visible.
No radioactive materials are stored in corridors, except for autoradiographic film cassettes in locked refrigerators or freezers. D. Physical Eye washes and safety showers are available. Utility panels, closets and electrical boxes are accessible. Extension cords are not in use. All telephones have a red sticker listing the NIH emergency telephone numbers.