Issue 5, 2000

Abstract

A sediment sample from the intertidal mudflats of the Tagus estuary was prepared, homogenised and distributed globally to laboratories as the IAEA-408 intercomparison material for the analyses of organochlorinated pesticides, PCBs and petroleum hydrocarbons (PHs). A total of 48 laboratories from 36 countries reported their results. The data from participants show that there still remain some difficulties with the accurate determination of organic contaminants such as pesticides and polycyclic aromatic hydrocarbons (PAHs). More consistent interlaboratory results were obtained for PCBs congeners. The final results of this intercomparison exercise enable individual participants to assess their performance and, where necessary, to introduce appropriate modifications in their analytical procedures. Furthermore, as a series of statistical criteria was fulfilled for a number of compounds, the sample IAEA-408 can now be used as a reference material for quality control in the determination of some persistant organic pollutants (POPs) in marine sediment samples.

Article information

Article type
Paper
Submitted
06 Apr 2000
Accepted
25 Jul 2000
First published
22 Aug 2000

J. Environ. Monit., 2000,2, 524-528

Determination of organochlorinated compounds and petroleum hydrocarbons in sediment sample IAEA-408. Results from a world-wide intercalibration exercise

J. Villeneuve, S. J. de Mora, C. Cattini and F. P. Carvalho, J. Environ. Monit., 2000, 2, 524 DOI: 10.1039/B002759F

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