Two questions come up constantly when setting out a chemical warehouse: what must the signs say, and what must not be kept next to what. Decree No. 26/2026/ND-CP answers both.
Signage and internal rules (clause 3 of Article 4)
Workshops and chemical warehouses must display internal rules on chemical safety and hazard signs matching the hazard level of the chemicals. A sign showing hazardous properties must carry:
- The chemical identification code;
- The hazard pictogram;
- The signal word;
- The hazard statement.
Where a chemical has several hazardous properties, the pictograms must show all of them. One pictogram for a multi-hazard product is not enough.
Zoning and incompatibles (clause 3 of Article 19)
For a storage-service warehouse the Decree is explicit:
- Chemicals must be zoned and arranged according to the properties of each type;
- Chemicals that can react with each other unsafely, or that have different fire and explosion prevention requirements, must not be kept in the same area.
What tells you which properties a product has is the GHS classification (Article 23 of the Law) and section 14 of the safety data sheet.
Other warehouse conditions (Article 4)
- Workshops and warehouses meeting national standards and technical regulations, suited to the properties, scale and technology (clause 2);
- An approved Plan or issued Measures (clause 4);
- Response equipment suited to the hazardous properties and to the quantity stored at the facility (clause 5);
- Chemicals stored under current standards and regulations, in a way that is convenient for incident response (clause 7).
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