Journal
MARINE POLLUTION BULLETIN
Volume 50, Issue 12, Pages 1694-1698Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2005.07.009
Keywords
AhR agonists; offshore platforms; produced water; CALUX monitoring
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The in vitro aryl hydrocarbon receptor (AhR) agonist potency of offshore produced water effluents, collected from the United Kingdom Continental Shelf, was determined using the dioxin responsive (DR)-chemically activated luciferase expression (CALUX) assay. Octadecylsilane (C 18) solid phase extraction (SPE) extracts of produced water were exposed to DR-CALUX cells for 24 It in order to investigate the contribution in potency from compounds that are stable to metabolism by the CALUX cells during exposure. The stable AhR agonist potency determined over 24 h was highly variable and ranged from 1 to 430 ng TCDD TEQ(CALUX) 1(-1). These data reflect the highly variable composition of produced water discharges from different production fields. It is recommended that further work be performed to characterise the full range of stable dioxin like AhR agonists present in offshore produced water discharges using techniques such as bioassay-directed analysis. (c) 2005 Elsevier Ltd. All rights reserved.
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