NDLI: Triclosan--the forgotten priority substance?

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Triclosan--the forgotten priority substance?

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Triclosan--the forgotten priority substance?

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Von Der Ohe, Peter Carsten Slobodnik, Jaroslav Brack, Werner Schmitt-Jansen, Mechthild
Description	Country affiliation: Germany Author Affiliation: von der Ohe PC ( Department of Effect-Directed Analysis, Helmholtz Centre for Environmental Research-UFZ, Leipzig, Germany. peter.vonderohe@ufz.de)
Abstract	INTRODUCTION: Triclosan (TCS) is a multi-purpose biocide. Its wide use in personal care products (PCPs) fosters its dispersal in the aquatic environment. Despite enhanced awareness of both scientists and the public in the last decade with regard to fate and effects, TCS received little attention regarding its prioritisation as a candidate river basin-specific pollutant or even priority substance, due to scarce monitoring data. METHODS: Applying a new prioritisation methodology, the potential risk of TCS was assessed based on a refined hazard assessment and occurrences at 802 monitoring sites in the Elbe River basin. RESULTS: The suggested acute-based predicted no-effect concentration (PNEC) of 4.7 ng/l for the standard test species Selenastrum capricornutum was in good agreement with effect concentrations in algal communities and was exceeded in the Elbe River basin at 75% of the sites (limit of quantification of 5 ng/l). The 95th percentile of the maximum environmental concentrations at each site exceeded the PNEC by a factor of 12, indicating potential hazards for algal communities. Among 500 potential river basin-specific pollutants which were recently prioritised, triclosan ranks on position 6 of the most problematic substances, based on the Elbe River data alone. CONCLUSION: Considering the worldwide application of PCPs containing triclosan, we expect that the TCS problem is not restricted to the Elbe River basin, even if monitoring data from other river basins are scarce. Thus, we suggest to include TCS into routine monitoring programmes and to consider it as an important candidate for prioritisation at the European scale.
ISSN	09441344
Issue Number	2
Volume Number	19
e-ISSN	16147499
Journal	Environmental Science and Pollution Research
Language	English
Publisher	Springer
Publisher Date	2012-02-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Chlorophyta Drug Effects Triclosan Analysis Water Pollutants, Chemical Growth & Development Dose-response Relationship, Drug Environmental Monitoring Risk Assessment Rivers Chemistry Toxicity Journal Article Research Support, Non-u.s. Gov't Review Discipline Environmental Science Discipline Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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Triclosan--the forgotten priority substance?

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Triclosan--the forgotten priority substance?