Nanoparticles: Uncertainty Risk Analysis

Authored by: Khara D. Grieger , Steffen Foss Hansen , Anders Baun

Encyclopedia of Environmental Management

Print publication date:  December  2012
Online publication date:  December  2012

Print ISBN: 9781439829271
eBook ISBN: 9781351235860
Adobe ISBN:

10.1081/E-EEM-120046917

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Abstract

Scientific uncertainty plays a major role in assessing the potential environmental risks of nanoparticles. Moreover, there is uncertainty within fundamental data and information regarding the potential environmental and health risks of nanoparticles, hampering risk assessments based on standard approaches. To date, there have been a number of different approaches to assess uncertainty of environmental risks in general, and some have also been proposed in the case of nanoparticles and nanomaterials. In recent years, others have also proposed that broader assessments of uncertainty are also needed in order to handle the complex potential risks of nanoparticles, including more descriptive characterizations of uncertainty. Some of these approaches are presented and discussed herein, in which the potential strengths and limitations of these approaches are identified along with further challenges for assessing uncertainty pertaining to the potential environmental risks of nanoparticles. Currently, international research efforts are underway not only to assess these uncertainties but also to handle the embedded uncertainties within assessing the potential environmental risks of nanoparticles. However, it is clear that further research efforts are needed to sufficiently handle the extensive uncertainties associated with nanoparticle risks, given the diversity of materials, pace of innovation, and various environmental parameters to consider.

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