Acid Storage Cabinet Venting

Cabinet shall be labeled acid or corrosive.

Acid storage cabinet venting.

For those fume hoods provided with vented under counter chemical storage cabinets to reduce odor each cabinet shall be connected to a 1 5 inch diameter vent tube which penetrates and is sealed to the fume hood countertop. If the integrity of the chemical storage cabinet is compromised because of the ventilation system these hazardous fumes will escape from the cabinet and a very dangerous and devastating situation may occur. Cabinet manufacturers include venting bungs for users who may be required to vent by state or local codes individual company policies insurance carrier policies or any other authority having jurisdiction ahj. In fact a vented cabinet could compromise the ability of the cabinet to protect its contents from a fire.

Bungs shall be used to seal vent openings. If the integrity of the chemical storage cabinet is compromised because of the ventilation system these hazardous fumes will escape from the cabinet and a very dangerous and devastating situation may occur. The university of wisconsin sets forth the following. The need for venting corrosive acid storage cabinets is also defined by some institutions.

While cabinet manufacturers may provide the bungs for ventilation purposes venting flammable liquid storage cabinets is not required or even recommended by any federal regulatory agency. 3 optional chemical storage cabinets. Therefore it is recommended that storage cabinets including acid storage and flammables storage cabinets not be ventilated see nfpa. Cabinets located under fume hoods shall be vented into the plenum of the hood using manufacturer supplied vent kits.

Air should be removed from the bottom vent opening of the cabinet. The progard nu 50 vented acid storage cabinet is corrosive resistant allowing proper ventilation for storage of acids and chemicals.