The QUASIMEME laboratory performance studyof polycyclic aromatic hydrocarbons (PAHs): Assessment for the period1996–1999

The results of the laboratory performance studies held during the period 1996–99 and involving the determination of PAHs in sediments and biota have been assessed. Overall 67% of the data submitted met the QUASIMEME criterion for satisfactory performance, although differences in performance were apparent between the two main analytical techniques employed: gas chromatography and high-performance liquid chromatography. Further development of PAH methodology utilising coupled gas chromatography mass spectrometry is encouraged as the most appropriate means of meeting the future requirements for the determination of a wider range of PAH analytes. More reference materials are also urgently required for use in marine monitoring programmes, and they need to be certified for a wider range of PAHs than hitherto, including both parent PAHs and their alkylated derivatives.

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