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Related Concept Videos

Toxicity Testing in Animals01:23

Toxicity Testing in Animals

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Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
107

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Exploring REACH as a potential data source for characterizing ecotoxicity in life cycle assessment.

Nienke Müller1, Dick de Zwart2, Michael Hauschild1

  • 1Department of Management Engineering, Technical University of Denmark, Kongens Lyngby, Denmark.

Environmental Toxicology and Chemistry
|June 30, 2016
PubMed
Summary

The European Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH) database offers potential ecotoxicity data for life cycle impact assessment (LCIA). However, data quality and applicability issues require further research before its widespread use in LCIA models.

Keywords:
50% hazardous concentrationEcotoxicity dataLife cycle impact assessmentMedian effective concentrationUSEtox

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Area of Science:

  • Environmental Science
  • Ecotoxicology
  • Life Cycle Assessment

Background:

  • Life Cycle Impact Assessment (LCIA) models are limited by scarce ecotoxicity data for many chemicals.
  • The European Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH) database is a potential source for expanding this data.

Purpose of the Study:

  • To explore the feasibility of using REACH ecotoxicity data within LCIA.
  • To compare REACH data with existing data in the USEtox model.

Main Methods:

  • Matching ecotoxicity data for substances common to both REACH and the USEtox model.
  • Evaluating data based on quantity, reliability, and test duration.
  • Comparing hazardous concentrations for 50% of species.

Main Results:

  • Significant differences were observed between ecotoxicity data available in REACH and USEtox.
  • REACH data shows potential for LCIA but also reveals issues with data compliance and differing assessment assumptions.
  • Data quality, pre-processing, and applicability need further investigation.

Conclusions:

  • The REACH database could enhance LCIA toxicity characterization, but challenges remain.
  • Further research is essential to address data quality and ensure suitability for LCIA.
  • Exploring additional data sources is recommended for comprehensive LCIA.