4.3.1. Definitions and general considerations
4.3.1.1. For the purposes of Section 4.3 the following definitions shall apply:
‘PBT’ means a persistent, bioaccumulative and toxic substance or mixture that meets the classification criteria set out in Section 4.3.2.1.
‘vPvB’ means a very persistent and very bioaccumulative substance or mixture that meets the classification criteria set out in Section 4.3.2.2.
4.3.1.2. The hazard class Persistent, Bioaccumulative and Toxic or Very Persistent, Very Bioaccumulative properties is differentiated into:
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PBT properties and,
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vPvB properties.