Journal
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
Volume 76, Issue -, Pages 194-202Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2015.11.002
Keywords
Biota Certified Reference Material (CRM); Environmental Quality Standard (EQS); Organic compound; Pollutant; Priority Substance (PS); Quality assurance/quality control; Sediment; Trace metal; Water quality
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Directive 2013/39/EU contains the first revision of the Priority Substances (PSs) list of the Water Framework Directive (WFD). Twelve substances were added, some Environmental Quality Standards (EQSs) in water were revised and biota EQSs for eleven PSs were laid down. The use of Certified Reference Materials (CRMs) can ensure that the water monitoring data be characterised by an equivalent level of scientific quality. In this paper, an updated overview of existing matrix CRMs (water, biota and sediment) for all PSs is presented. Focus is given to the critical discussion of biota CRMs. The range of CRMs for Cd, Pb, Hg and Ni continues to be appropriately large, while the lack of CRMs for the organic substances is confirmed. The CRMs applicability in the light of the WFD monitoring requirements is discussed with regard to matrix match and attributes of the certified value (traceability, uncertainty and closeness to the EQS). (C) 2015 The Authors. Published by Elsevier B.V.
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