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Exposure scenarios for workers

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Author: Marquart, H. · Northage, C. · Money, C.
Type:article
Date:2007
Institution: TNO Kwaliteit van Leven
Source:Journal of Exposure Science and Environmental Epidemiology, SUPPL. 1, 17
Identifier: 240484
doi: doi:10.1038/sj.jes.7500617
Keywords: Health · Food and Chemical Risk Analysis · Exposure models · REACH · Risk management · Tiered approach · Worker exposure · awareness · health care organization · human · law · occupational exposure · occupational health · review · risk assessment · risk management · statistical model · worker · Chemical Industry · Cluster Analysis · Environmental Monitoring · European Union · Humans · Models, Theoretical · Occupational Exposure · Risk Assessment · Risk Management · Safety Management

Abstract

The new European chemicals legislation REACH (Registration, Evaluation, Authorisation and restriction of Chemicals) requires the development of Exposure Scenarios describing the conditions and risk management measures needed for the safe use of chemicals. Such Exposure Scenarios should integrate considerations of both human health and the environment. Specific aspects are relevant for worker exposure. Gathering information on the uses of the chemical is an important step in developing an Exposure Scenario. In-house information at manufacturers is an important source. Downstream users can contribute information through direct contact or through their associations. Relatively simple approaches (Tier 1 tools, such as the ECETOC Targeted Risk Assessment and the model EASE) can be used to develop broad Exposure Scenarios that cover many use situations. These approaches rely on the categorisation of just a few determinants, including only a small number of risk management measures. Such approaches have a limited discriminatory power and are rather conservative. When the hazard of the substance or the complexity of the exposure situation require a more in-depth approach, further development of the Exposure Scenarios with Tier 2 approaches is needed. Measured data sets of worker exposure are very valuable in a Tier 2 approach. Some downstream user associations have attempted to build Exposure Scenarios based on measured data sets. Generic Tier 2 tools for developing Exposure Scenarios do not exist yet. To enable efficient development of the worker exposure part of Exposure Scenarios a further development of Tier 1 and Tier 2 tools is needed. Special attention should be given to user friendliness and to the validity (boundaries) of the approaches. The development of standard worker exposure descriptions or full Exposure Scenarios by downstream user branches in cooperation with manufacturers and importers is recommended. © 2007 Nature Publishing Group All rights reserved.