Storage class (LGK)

Definition:

A storage class (LGK) is a safety-related classification for hazardous substances that are assigned to specific storage requirements based on their chemical-physical and toxicological properties.
The storage classes are used for the safe storage and handling of hazardous substances and mixtures and are based on the German TRGS 510 (Technical Rules for Hazardous Substances) as well as the merger concept of Chemical Industry Association (VCI).
The aim is to prevent hazards such as fires, explosions, reactions, leaks or toxic exposures by not storing substances with incompatible properties together.

Examples of warehouse classes
Typical LGKs are:

• ‍LGK 3 — flammable liquids‍
• LGK 6.1 — toxic substances‍
• LGK 8 — corrosive substances‍
• LGK 10-13 — flammable solids, self-reactive substances, pyrophoric substances, organic peroxides‍
• LGK 12 — non-flammable liquids without further risks

Reference to legal binding and risk assessment
The storage classes are mandatory in accordance with hazardous substances law and are the basis for operational storage concepts, risk assessments, fire protection and explosion protection concepts as well as labelling requirements.

_{Sources/further links:
TRGS 510 — Storage of hazardous substances in transportable containers (BMAS/BauA): BAuA - Regulations - TRGS 510 Storage of hazardous substances in transportable containers - Bundesanstalt für Arbeitsschutz und Arbeitsmedizin}

_{VCI concept for joint storage: Combination of hazardous substances & VCI storage classes}

_{Hazardous Substances Ordinance (GefStoffV): https://www.gesetze-im-internet.de/gefstoffv_2010/}

Challenges when dealing with storage classes:

Incorrect or missing LGK allocation
If hazardous substances are incorrectly classified or stored without reference to LGK, chemical reactions, fire risks or legal violations can occur.
_{Sources/further links:
BAuA — Implementation of TRGS 510 & risks of incorrect storage: https://www.baua.de}

Complexity in mixed warehouses & logistics areas
Warehouse logistics in chemical plants, distribution centers or freight forwarders requires precise comparisons of LGK compatibility — especially for mixed hazardous materials warehouses.
A lack of transparency leads to security risks and delays.
_{Sources/further links:
VCI grouping guide: https://www.lisam.de/lagerklasse-zusammenlagerung-gefahrstoffe/}

Loady's solution:

Standardised specification of inventory classes & incompatibilities
Loady makes it possible to store LGKs and specific warehouse requirements in a structured manner. Logistics partners recognize in advance which products require special storage conditions, separate zones or documented safety measures.

Digital provision of safety information & location requirements
Clear, digital information reduces faulty storage or handling processes — for example when temporarily storing before or after transport orders.