Investigating predictive tools for refinery effluent hazard assessment using stream mesocosms

Kevin Cailleaud, Anne Bassères, Clémentine Gelber, Jaap F. Postma, Anneke T.M. ter Schure, Pim E.G. Leonards, Aaron D. Redman, Graham F. Whale, Mike J. Spence, Markus Hjort

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Hazard assessment of refinery effluents is challenging because of their compositional complexity. Therefore, a weight-of-evidence approach using a combination of tools is often required. Previous research has focused on several predictive tools for sophisticated chemical analyses: biomimetic extraction to quantify the potentially bioaccumulative substances, 2-dimensional gas chromatography, modeling approaches to link oil composition to toxicity (PETROTOX), and whole-effluent toxicity assessments using bioassays. The present study investigated the value of these tools by comparing predicted effects to actual effects observed in stream mesocosm toxicity studies with refinery effluents. Three different effluent samples, with and without fortification by neat petroleum substances, were tested in experimental freshwater streams. The results indicate that the biological community shifted at higher exposure levels, consistent with chronic toxicity effects predicted by both modeled toxic units and potentially bioaccumulative substance measurements. The present study has demonstrated the potential of the predictive tools and the robustness of the stream mesocosm design to improve our understanding of the environmental hazards posed by refinery effluents. Environ Toxicol Chem 2019;38:650–659.

Original languageEnglish
Pages (from-to)650-659
Number of pages10
JournalEnvironmental toxicology and chemistry
Volume38
Issue number3
Early online date19 Dec 2018
DOIs
Publication statusPublished - Mar 2019

Fingerprint

Biota
Biomimetics
Poisons
Petroleum
hazard assessment
Fresh Water
Biological Assay
Gas Chromatography
Effluents
Hazards
Oils
Toxicity
effluent
Weights and Measures
toxicity
Research
mesocosm
Bioassay
environmental hazard
Gas chromatography

Keywords

  • Biomimetic extraction
  • Mesocosms
  • PETROTOX
  • Refinery effluents

Cite this

Cailleaud, Kevin ; Bassères, Anne ; Gelber, Clémentine ; Postma, Jaap F. ; ter Schure, Anneke T.M. ; Leonards, Pim E.G. ; Redman, Aaron D. ; Whale, Graham F. ; Spence, Mike J. ; Hjort, Markus. / Investigating predictive tools for refinery effluent hazard assessment using stream mesocosms. In: Environmental toxicology and chemistry. 2019 ; Vol. 38, No. 3. pp. 650-659.
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Cailleaud, K, Bassères, A, Gelber, C, Postma, JF, ter Schure, ATM, Leonards, PEG, Redman, AD, Whale, GF, Spence, MJ & Hjort, M 2019, 'Investigating predictive tools for refinery effluent hazard assessment using stream mesocosms' Environmental toxicology and chemistry, vol. 38, no. 3, pp. 650-659. https://doi.org/10.1002/etc.4338

Investigating predictive tools for refinery effluent hazard assessment using stream mesocosms. / Cailleaud, Kevin; Bassères, Anne; Gelber, Clémentine; Postma, Jaap F.; ter Schure, Anneke T.M.; Leonards, Pim E.G.; Redman, Aaron D.; Whale, Graham F.; Spence, Mike J.; Hjort, Markus.

In: Environmental toxicology and chemistry, Vol. 38, No. 3, 03.2019, p. 650-659.

Research output: Contribution to JournalArticleAcademicpeer-review

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