First EC-JRC PAHs Inter-laboratory comparison on PM10 quartz filters
This report presents the results of the first intercomparison for PAHs analysed on quartz filters carried out by the JRC between April and December 2010. Seventeen national reference laboratories participated in this exercise.
Four different filters representing winter and summer periods in two different locations (Madrid and Prague) and two blanks were tested during the exercise. 15 PAHs were considered for analysis from phenanthrene to Benzo[g,h,i]perylene, including benzo-a-pyrene.
In general, the results of the exercise showed median overall uncertainties ranging from 10 to 90 %, depending on the compound and the analysed concentration. Median Benzo-(a)-Pyrene overall uncertainty ranged between 30 and 50 %, increasing with the decrease of the concentration. The exercise demonstrates the validity of the current methodology for organising PAHs intercomparison exercises in PM10 filters. Laboratories exhibited better performance in the analysis of those compounds where reference material was found in the market. The need for implementing a consistent traceability system for measurements is deduced from the systematic biases associated to laboratory behaviour.
PEREZ BALLESTA Pascual;
GRANDESSO Emanuela;
KOWALEWSKI Konrad;
2012-12-30
Publications Office of the European Union
JRC67695
978-92-79-22781-3 (print),
978-92-79-22782-0,
1018-5593 (print),
1831-9424 (online),
EUR 25170 EN,
OP LB-NA-25170-EN-C (print),
OP LB-NA-25170-EN-N (online),
https://publications.jrc.ec.europa.eu/repository/handle/JRC67695,
10.2788/62674 (print),
10.2788/63064 (online),
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