Acid Storage Cabinet Requirements

Due to their critical function corrosive storage cabinets must be specified to meet special requirements including the following.

Acid storage cabinet requirements.

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. The interior lining shall be composed of one piece. A specialized cabinet for flammable chemicals. 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.

A cabinet or area for sulfuric and nitric acids. 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. A general storage cabinet or area where chemicals can be shelved separately based on their categories or hazardous rating. Acid cabinets shall have an interior of molded polyethylene or alternate material that is impervious to acids.

A single piece leak proof floor pan is required to contain spills. And a cabinet or area for corrosive bases. A wide variety of code compliant cabinets are available in sizes ranging from 4 gallons 15 liters to 120 gallons 454 liters. A lock is required to maintain materials securely.

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. Essentially a facility needs five chemical storage areas or cabinets. 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 three such cabinets may be located in a single fire area according to nfpa 30 section 4 3 1.

The cabinet shall be approved by the manufacturer for the storage of strong acids concentrated nitric sulfuric or perchloric acids. A cabinet for corrosive acids. The australian standard that outlines the requirements for the storage of corrosive substances is as3780 2008 the storage and handling of corrosive substances. The above nfpa guidelines refer specifically to flammable liquid storage cabinets.