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Laboratory Safety Manual

Explosive goods

“Explosive goods” means explosive substances and mixtures, explosive objects and substances, and objects that are not covered by the above definitions but are manufactured for the purpose of producing an explosion or a pyrotechnic effect. Explosives, igniters, ammunition, gunpowder and pyrotechnic articles are all examples of commonly occurring explosive goods.

When explosives are not in use, they must be stored in such a way that they do not pose a danger to the surrounding environment and cannot be accessed by unauthorised persons. This can be achieved by keeping these goods in storage rooms where they are protected from external factors and tampering, the risk of accidental ignition is minimised, and the surrounding environment is protected if an explosion should occur inside the storage room. Protection from external factors is achieved by constructing the store room according to appropriate technical specifications. Accidental ignition is avoided by not storing, for example, explosives and igniters in the same place, keeping things tidy and orderly, and imposing specific requirements on the electrical installations in the storage room. The surrounding environment can be protected by locating the storage room in a place where the consequences to the surrounding environment will be limited if an explosion should occur inside the storage room. “Surrounding environment” includes human life and health, property and the environment. In addition to explosive goods, a store room may only be used for the storage of materials that do not increase the risk of fire and explosion.

Any explosive goods removed from a storage room to be used in a workplace which are not used up on the same working day must be returned to a storage room immediately after the work ends, or guarded in such a way as to prevent unauthorised access. To prevent ignition, a distance of 10 cm must be maintained between the explosive goods and any surface-mounted electrical cables, light fittings, other electrical installations, hygrostats, etc. Storage rooms used for storage requiring a permit must be marked with signs indicating that there is a risk of explosion, that smoking and open flames are prohibited, and specifying the maximum amount of explosives that are allowed be stored in the storage room.