08 Gezondheids- en werkplekaspecten
 >  Storage hazardous substances
Discussion > Talk with your colleagues about it!
  1. That is so exaggerated! At my house, hazardous substances are stored in the shed.
  2. I am using the proper PPE’s as per the operational requirements.

In this toolbox we will discuss the storage of hazardous substances.

What are hazardous substances? A few examples:

  • Glue;
  • Solvents;
  • Cleaning products;
  • Paint, etc.

What are the characteristics of hazardous substances?

  • Flammable;
  • Toxic (poisonous);
  • Oxidizing (accelerate a fire);
  • Corrosive (damaging);
  • Dangerous for the environment.

H- and P-phrases and pictogram on the packaging

Packaging must include the H- and P-phrases and the accompanying pictogram.

  • H- (hazard/indication of danger) phrases;
  • P- (precautionary measures/ phrases.

Examples of unstable explosive substances are:

  • Benzoyl peroxide and mercury fulminate.

The following applies to an unstable explosive substance:

  • the GHS-pictogram GHS01 (explosion);
  • the hazard statement H200 Unstable explosive substance;
  • and the precautionary measure P201-Read the special instructions before use.
Risks > What can happen?
  • Fire;
  • Explosion;
  • Exposure to the hazardous substance;
  • Skin diseases;
  • Damage to the airways or nervous system;
  • Decanting to a storage cabinet.
Example pictograms
Measures > What must you do?

What does not have to be stored?

Working stock:

  • does not have to be stored in a fire-resistant cabinet or storage container;
  • has to match the quantity needed for 1 day;
  • may not be located on the route of forklift trucks or other vehicles;
  • may not obstruct emergency routes.

What must be stored?

  • Hazardous substances that are in storage. 
  • Hazardous substance that are awaiting outflow.

How must hazardous substances be stored?

Hazardous substances must be stored in a storage device such as a fire-resistant cabinet, storage container and such.

Storage must meet the following requirements:

  • If the working stock consists of 50 or more litres of hazardous fluids, the package must be placed on top of a liquid-tight spill tray or a comparable device. The capacity of the spill tray should equal the largest package +10% of the total;
  • A storage cabinet may be used to store up to 150 litres;
  • A container may be used to store up to 500 litres
  • Spilled or leaked hazardous substances must be cleaned up as soon as possible.
  • Er zijn stoffen waar strengere regels gelden zoals zeer brandbare stoffen en CMR stoffen. Hierbij zijn vanaf 25 liter de bovenstaande eisen al van toepassing

CMR stoffen:

Bij dit pictogram extra aandacht besteden aan mogelijke aanvullende eisen.

Een stof met dit pictogram kan mogelijk een CMR stof zijn.

Which substances must be stored separately?

  • Packaged hazardous substances that might react with one and other;
  • This concerns reactions that result in a temperature or pressure change or the formation of gasses. 
  • Check the product information sheet on the hazardous substance in question. The product information sheet states whether the product must be stored separately.

The storage facility must:

  • be closed off and ventilated using outside air;
  • contain a pictogram or the text “NO SMOKING NO OPEN FLAMES”;
  • be kept clean.

Requirements PGS-cabinet:

  • Decanting in a PGS-cabinet (Publication Series Hazardous Substances) is prohibited;
  • Do not store “non-hazardous substances” in a PGS-cabinet;
  • Only use PGS-cabinets that are self-locking;
  • Upon use, close the PGS-cabinet doors.

The packaging:

  • of the stored substances must be in good condition; and
  • must contain the relevant marking (hazard symbols, labels)


Van de aanwezige stoffen zijn gevarenkaarten/veiligheidswaaiers beschikbaar. Klik hiervoor op onderstaande links: