OEB (Occupational Exposure Band)

Classification system for active substances according to their hazard potential in the workplace, based on OEL values.

OEB classes at a glance

Importance for containment systems

Relationship with OEL

01 OEB classes at a glance

The OEB classes are used for classification according to the defined OEL values. The defined limit values for each class: OEB class 1: > 1000 µg/m³ OEB class 2: 100 – 1000 µg/m³ OEB class 3: 10 – 100 µg/m³ OEB class 4: 1 – 10 µg/m³ OEB class 5: 0.2 – 1 µg/m³ OEB class 6: < 0.2 µg/m³ A substance with an OEL value of 3 µg/m³ corresponds to OEB class 4. For OEB classes 1–2, open/semi-open systems are permitted; from OEB 3 onwards, systems with primary containment are required.

02 Importance for containment systems

Rhein-Plast supplies individually customised containment packaging solutions for OEB classes 2–5 and supports customers in the qualification and validation of their containment systems in accordance with APCPPE guidelines.

03 Relationship with OEL

OEB classes are derived directly from the OEL values of a substance. OEB classification is the practical basis for selecting suitable containment solutions: the higher the OEB class, the tighter and more technically demanding the system used must be.

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