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Concept of REACH and impact on evaluation of chemicals

Medical Faculty, Institute of Environmental Toxicology, Martin Luther University, Halle, Germany

AW Hayes

Department of Environmental Health, Harvard School of Public Health, Boston, MA 02115, USA

Industrial chemicals have been in use for many decades and new products are regularly invented and introduced to the market. Also for decades, many different chemical laws have been introduced to regulate safe handling of chemicals in different use patterns. The patchwork of current regulation in the European Union is to be replaced by the new regulation on industrial chemical control, REACH. REACH stands for registration, evaluation, and authorization of chemicals. REACH entered force on June 1, 2007. REACH aims to overcome limitations in testing requirements of former regulation on industrial chemicals to enhance competitiveness and innovation with regard to manufacture safer substances and to promote the development of alternative testing methods. A main task of REACH is to address data gaps regarding the properties and uses of industrial chemicals. Producers, importers, and downstream users will have to compile and communicate standard information for all chemicals. Information sets to be prepared include safety data sheets (SDS), chemical safety reports (CSR), and chemical safety assessments (CSA). These are designed to guarantee adequate handling in the production chain, in transport and in use and to prevent the substances from being released to and distributed within the environment. Another important aim is to identify the most harmful chemicals and to set incentives to substitute them with safer alternatives. On one hand, REACH will have substantial impact on the basic understanding of the evaluation of chemicals. However, the toxicological sciences can also substantially influence the workability of REACH that supports the transformation of data to the information required to understand and manage acceptable and non acceptable risks in the use of industrial chemicals. The REACH regulation has been laid down in the main document and 17 Annexes of more than 849 pages. Even bigger technical guidance documents will follow and will inform about the rules for application and work out of dossiers. The following article gives a comprehensive overview on the concept of REACH to give deeper insight into this document. Members of the scientific community will have to define their own position as researchers, teachers, and experts to support the efforts to protect human health and the environment. The concept of REACH as well as new approaches to adapt standard testing regimes to foster a risk oriented approach in required work load to decrease animal based tests and to strengthen weight of evidence are explained in detail in this article.

Key Words: adaptation • authorization • evaluation • impact on science • REACH concept • registration

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