Please observe local legislation and regulations. 14 Hazardous substances basics Joint storage is when various materials are stored in a ››› storage section, ››› container, ››› .safety storage cabinet or ››› collection room. Separate storage is when various stored goods are separated from one another within a storage section by means of ››› sufficient distances, ››› barriers, e.g. walls, cabinets made of non-combustible material, products made of non-combustible materials of storage class 12 or 13 or ››› separated collection rooms. Separate storage may be required to reduce hazards when storing goods of the same storage class or materials of different storage classes. Information regarding the requirement for separate storage is given in ››› the hazard information labelling (H or R codes), complementary hazard properties (EU H codes) and safety information (P or S codes); ››› the product-specific safety information, for example, the safety data sheets (Section 5 Fire-fighting measures and Section 7 Handling and storage; the information in Section 10 Stability and reactivity is usually provided in less detail); ››› the leaflets from the accident insurance companies. Partitioned storage is separate storage in different storage sections. These must be separated from other storage sections or adjacent rooms ››› in buildings by means of walls or ceilings with at least 90 minute fire resistance, or ››› outdoors by means of sufficient clearance or walls. The distances serve to ››› protect a storeroom from external harmful incidents such as mechanical damage or heating as a result of fire, ››› protect against interactions between the stored hazardous materials, ››› keep the risk for the employees or other persons, of leaks from portable containers and/or malfunctions in the proper operational procedure, as low as possible. Safety storage cabinets with at least 90 minute fire resistance are also classified as storage sections.
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