Acid Storage Cabinet Requirements

A general storage cabinet or area where chemicals can be shelved separately based on their categories or hazardous rating.

Acid storage cabinet requirements.

A cabinet or area for sulfuric and nitric acids. A cabinet for corrosive acids. And a cabinet or area for corrosive bases. If at the request of your ahj you re required to vent a corrosives acid cabinet make sure to incorporate a blower that s compatible with the vapors being exhausted.

Not more than three such cabinets may be located in a single fire area according to nfpa 30 section 4 3 1. A single piece leak proof floor pan is required to contain spills. No more than 120 gallons of category 4 liquids may be stored in a storage cabinet according to osha 29 cfr 1910 106 d 3 i. The australian standard that outlines the requirements for the storage of corrosive substances is as3780 2008 the storage and handling of corrosive substances.

The interior lining shall be composed of one piece. A storage in excess of 25 gallons of flammable liquids or 60 gallons of liquids with a flashpoint greater than 199 4 o f 93 o c formerly designated class iiib combustible liquids shall be within cabinets constructed to the requirements of nfpa 30. Essentially a facility needs five chemical storage areas or cabinets. The cabinet shall be approved by the manufacturer for the storage of strong acids concentrated nitric sulfuric or perchloric acids.

Acid cabinets shall have an interior of molded polyethylene or alternate material that is impervious to acids. While nfpa does not mandate requirements for the storage of nonflammable acids and corrosives these chemicals should be properly stored for maximum safety. Not more than 60 gallons may be category 1 2 or 3 liquids. The above nfpa guidelines refer specifically to flammable liquid storage cabinets.

Due to their critical function corrosive storage cabinets must be specified to meet special requirements including the following. A specialized cabinet for flammable chemicals. A lock is required to maintain materials securely. No more than 120 gallons of class iii liquids may be stored in a storage cabinet according to osha 29 cfr 1910 106 d 3 and nfpa 30 section 4 3 1.