Ordinance
on Protection against Dangerous Substances and Preparations
(Chemicals Ordinance, ChemO)


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Art. 4 Persistence, bioaccumulation and toxicity

1 Sub­stances are con­sidered per­sist­ent, bioac­cu­mu­lat­ive and tox­ic (PBT) if they ful­fil the cri­ter­ia defined in Sec­tions 1.1.1–1.1.3 of An­nex XIII to the REACH Reg­u­la­tion32.

2 Sub­stances are con­sidered very per­sist­ent and very bioac­cu­mu­lat­ive (vPvB) if they ful­fil the cri­ter­ia defined in Sec­tions 1.2.1 and 1.2.2 of An­nex XIII to the REACH Reg­u­la­tion33.

32 See foot­note to Art. 2 para. 4.

33 See foot­note to Art. 2 para. 2 let. f. Name in ac­cord­ance with An­nex No1 of the O of 15 Nov. 2023, in force since 1 Jan. 2024; this amend­ment has been made in the pro­vi­sions men­tioned in the AS.

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