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  • European Union Risk Assessment Report: 4-Nonylphenol (branched) CAS No: 84852-15-3, EINECS No: 284-325-5, and nonylphenol. CAS No: 25154-52-3, EINECS No: 246-672-0. Series: 2nd Priority List, Volume 10


The report provides the comprehensive risk assessment of the substance 4-Nonylphenol (branched) and nonylphenol. It has been prepared by The United Kingdom in the frame of Council Regulation (EEC) No. 793/93 on the evaluation and control of the risks of existing substances, following the principles for assessment of the risks to man and the environment, laid down in Commission Regulation (EC) No. 1488/94.

The evaluation considers the emissions and the resulting exposure to the environment and the human populations in all life cycle steps. The environmental risk (aquatic, terrestrial and atmospheric) has been determined. For human health the scenarios for occupational exposure, consumer exposure and humans exposed via the environment have been examined and the possible risks have been identified.

The human health risk assessment for 4-nonylphenol, branched and nonylphenol concludes that there is at present concern for workers. There is at present no concern for consumers. For humans exposed via the environment the risk assessment concludes that there is at present a need for further information on emissions to the local environment during production and use of nonylphenol. The risk assessment for the environment concludes that there is at present concern for the atmosphere, aquatic ecosystem, terrestrial ecosystem, for top predators via accumulation up the food chain and for micro-organisms in the sewage treatment plant.

The conclusions of this report will lead to risk reduction measures to be proposed by the Commission's Committee on risk reduction strategies set up in support of Council Regulation (EEC) 793/93.

Additional information

Authors: HANSEN B G ET AL (EDITORS), European Commission, Joint Research Centre, Institute for Health and Consumer Protection, European Chemicals Bureau, Ispra (IT)
Bibliographic Reference: EUR 20387 EN (2002), pp. 230.
Availability: Available free of charge online at: A printed version of the report will later be available for sale from EUR-OP sales agents.
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