| Storage class (LGK) | Designation |
| 1 |
Explosive material (2nd German Explosives Act: Storage groups 1.1-1.4) |
| 2 A |
Compressed, liquified, or pressure-dissolved gases |
| 2 B |
Pressurized gas packages (aerosol containers) |
| 3 A |
Flammable liquid materials (Flp below 55 °C) |
| 3 B |
Flammable liquids (VbF Hazard class: A III) |
| 4.1 A |
Flammable solid materials (2nd German Explosives Act: Storage groups I-III) |
| 4.1 B |
Flammable solid materials (EC Method A 10) |
| 4.2 |
Spontaneously combustible materials |
| 4.3 |
Materials that form flammable gases in contact with water |
| 5.1 A |
Oxidizing agents (TRGS 515 Group 1) |
| 5.1 B |
Oxidizing agents (TRGS 515 Groups 2+3) |
| 5.1 C |
Oxidizing agents (TRGS 511 Groups A-C) |
| 5.2 |
Organic peroxides |
| 6.1 A |
Flammable toxic materials |
| 6.1 B |
Non-flammable toxic materials |
| 6.2 |
Infectious materials |
| 7 |
Radioactive materials |
| 8 A |
Flammable corrosive materials |
| 8 B |
Non-flammable corrosive materials |
| 10 |
Flammable liquids if not LGK 3A or 3B |
| 11 |
Flammable solids |
| 12 |
Non-flammable liquids in non-flammable packages |
| 13 |
Non-flammable solids in non-flammable package |