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Exposure limits for nanoparticles: report of an international workshop on nano reference values.

Authors
Van-Broekhuizen-P; Van-Veelen-W; Streekstra-W-H; Schulte-P; Reijnderrs-L
Source
Ann Occup Hyg 2012 Jul; 56(5):515-524
NIOSHTIC No.
20041130
Abstract
This article summarizes the outcome of the discussions at the international workshop on nano reference values (NRVs), which was organized by the Dutch trade unions and employers' organizations and hosted by the Social Economic Council in The Hague in September 2011. It reflects the discussions of 80 international participants representing small- and medium-size enterprises (SMEs), large companies, trade unions, governmental authorities, research institutions, and non-governmental organizations (NGOs) from many European countries, USA, India, and Brazil. Issues that were discussed concerned the usefulness and acceptability of precaution- based NRVs as a substitute for health-based occupational exposure limits (OELs) and derived no-effect levels (DNELs) for manufactured nanoparticles (NPs). Topics concerned the metrics for measuring NPs, the combined exposure to manufactured nanomaterials (MNMs) and process-generated NPs, the use of the precautionary principle, the lack of information about the presence of nanomaterials, and the appropriateness of soft regulation for exposure control. The workshop concluded that the NRV, as an 8-h time-weighted average, is a comprehensible and useful instrument for risk management of professional use of MNMs with a dispersible character. The question remains whether NRVs, as advised for risk management by the Dutch employers' organization and trade unions, should be under soft regulation or that a more binding regulation is preferable.
Keywords
Nanotechnology; Exposure-limits; Measurement-equipment; Regulations; Risk-factors; Risk-analysis; Author Keywords: derived no-effect levels; nano reference values; occupational exposure limits; precautionary principle; risk management
Contact
Peter Van Broekhuizen, 1IVAM UvA BV, Plantage Muidergracht 14, 1018TV Amsterdam, Netherlands
CODEN
AOHYA3
Publication Date
20120701
Document Type
Journal Article
Email Address
pvbroekhuizen@ivam.uva.nl
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
B08012012
Issue of Publication
5
ISSN
0003-4878
NIOSH Division
EID
Source Name
Annals of Occupational Hygiene
State
OH
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