Report on the results of the ICES/IOC/OSPARCOM intercomparison programme on the analysis of chlorobiphenyls in marine media-step 2, and the intercomparison programme on the analysis of PAHs in marine media-stage 1

Report on the results of the ICES/IOC/OSPARCOM intercomparison programme on the analysis of chlorobiphenyls in marine media-step 2 - J. de Boer, L. Reutergårdh, J. van der Meer, and J. A. Calder.

This report gives an account of the second step of the ICES/IOC/OSPARCOM Intercomparison Programme on the Analysis of Chlorobiphenyls (CBs) in Marine Media. Results were received from 58 laboratories in sixteen countries. In this exercise, CB Nos. 28, 31, 52, 101, 105, 118, 138, 153, 156 and 180 were analysed in an unknown CB solution, a cleaned seal blubber extract, and a cleaned sediment extract. An extra test, which included the analysis of an unknown CB solution vs. a supplied known solution, was carried out by laboratories that produced outlying results in the first exercise and laboratories who participated for the first time in this second exercise. 

Report of the results of the intercomparison programme on the analysis of PAHs in marine media-stage 1 - R. J. Law an M. D. Nicholson.

This report gives an account of stage 1 of the lntercomparison Programme on the Analysis of PAHs in Marine Media, which is the fourth round of the ICES hydrocarbon intercompari on programme. This exercise concern the determination of specific polycyclic aromatic hydrocarbons (PAHs), and the first stage comprised two pha es. Re ult · were received from 14 of 19 laboratories in phase 1, and 17 of 18 laboratories in phase 2. The techniques used in the participating laboratories were capillary gas chromatography (GC) with flame-ionization detection (FJD) and mass spectrometric (MS) detection, higb-performance liquid chromatography (HPLC) with ultra-violet absorption and fluorescence detection, and a low-temperature (Shpol'skii) fluorescence technique