Storage Limits of Hazardous Materials

Storage by Control Area
Condition Storage Use
Material OSHA
Class
Solid
(Pounds)
Liquid
(Gallons)
Gas
(Cubic Feet)
Solid
(Pounds)
Liquid
(Gallons)
1.1 Combustible Liquid II 120     30
II-A 330     80
III-B 13,200     3,300
1.2 Combustible Fiber   100 100 20
1.3 Cryogenic, Flammable or Oxidizing   45 10
2.1 Explosives   1 1 0.25 0.25 0.25
3.1 Flammable Solids   125 14 14
3.2 Flammable Gas (Gas or Liquefied)   15
3.3 Flammable Liquids I-A 30 10
I-B 60 15
I-C 90 20
Combination of 3.3 Flammable Liquids: I-A, I-B & I-C   120 30
4.1 Organic Peroxide, Unclassified   1 1 0.25 0.25 0.25
4.2 Organic Peroxide I 5 5 1 1
II 50 50 10 10
III 125 125 25 25
IV 50 500 100 100
V
4.3 Oxidizer 4 1 1 0.25 0.25
3 10 10 2 2
2 250 250 50 50
1 4,000 4,000 1,000 1,000
4.4 Oxidizer Gas   15 1,500
5.1 Pyrophoric   4 4 50 0 0
6.1 Unstable (Reactive) 4 4 1 1 0.25 0.25
3 5 5 50 1 1
2 50 50 250 10 10
1 750
7.1 Water Reactive 3 5 5 1 1
2 50 50 10 10
1 125 125 25 25
Corrosives   5,000 500 810 1,000 100
Highly Toxics   10 10 20 3 3
Irritants   810 5,000 500
Sensitizers   810 5,000 500
Toxics   500 500 810 125 125