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Long-term toxicity to aquatic invertebrates

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In Annex IX of Regulation (EC) No 1907/2006, it is laid down that tests on the chronic toxicity shall be proposed by the registrant if the chemical safety assessment indicates the need to investigate further the effects on aquatic invertebrates.

According to Annex I of this regulation, the chemical safety assessment triggers further action when the substance or the preparation meets the criteria for classification as dangerous according to Directive 67/548/EEC or Directive 1999/45/EC or is assessed to be a PBT or vPvB.

The hazard assessment of naphthalenesulfonic acids reveals neither a need to classify the substance as dangerous to the environment, nor is it a PBT or vPvB substance, nor are there any further indications that the substance may be hazardous to the environment.

For the classified impurity naphthalene, a lot of long-term data on aquatic invertebrates is available and described in the European Risk Assessment Report No. 33 on Naphthalene, CAS-No. 91 -20 -3. In a risk assessment for the naphthalene impurity in NSA no risk has been revealed.

Therefore, a test on the chronic toxicity in aquatic invertebrates is not provided.