Dutch Regulations
Storage of Organic Peroxides - CPR3E
The organic peroxides described below can be excluded from this Directive. Formulations containing not more than 1.0% active oxygen from organic peroxides when containing not more than 1.0% hydrogen peroxide.
Formulations containing not more than 0.5% active oxygen from organic peroxides when containing more than 1.0% but not more than 7.0% hydrogen peroxide.
Organic peroxides of type A ( prohibited from transport, their storage conditions shall be specified by competent authorities.
Organic Peroxides Classification
The assignment to a storage group is based on the transport regulations and on the burning rate of the peroxide. This classification is done in an official lab (usually TNO).
1 : Explosive or very fast burning, organic peroxide types B and C for transport classification with burning rate =300 kg/min.
2 : Very hazardous or fast burning, organic peroxide type C with burning rate < 300 kg/min; types D and E with burning rate =60 kg/min.
3 : Hazardous or burning like solvents, organic peroxide types D and E with burning rate < 60 kg/min; type F with burning rate =10 kg/min.
4 : Minor hazard and slow/no burning, organic peroxide types E and F with burning rate:
< 10 kg/min.
5 : Organic peroxide type G may be exempted.
Location of the storage
There are three safety distances for peroxides of storage group 1,2 and 3 with respect to objects of type 2 and 3:
Type 2 : working places, offices within the property boundary.
Type 3 : occasional workplaces.
No safety distances for peroxides of group 4 and 5.
Safety distances for peroxides of storage group 1,2 are calculated and those for storage group 3 are fixed. They also depend on safety measures.
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