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FP5

Assessment of migration of non-suspected compounds from products in contact with drinking water by GC-MS: Development of a harmonised test to be used in the European Acceptance Scheme concerning CPDW

Project ID: EVK1-CT-2000-00052
Funded under: FP5-EESD

Abstract

A harmonised test method is needed for the determination of compounds amenable to GCMS in migration waters of materials that come into contact with drinking water. Only France and UK apply such test in their current national acceptance scheme. Comparison of the French and UK choice of pH level at which migration water is extracted show that the French two-stage extraction at pH 10 and pH 2 is marginally better. Solvent extraction was preferred to the less efficient solid phase extraction. All participating laboratories analysed extracts from migration waters from epoxy resin, polyester resin, cement with organic additive and EPDM rubber. The results suggest that different laboratories could produce comparable data with an inter-laboratory reproducibility in the range of 20-50%, calculated as the coefficient of variation of the mean. The overall performance of the method is such that it is recommended that GCMS analysis for unsuspected compounds should be incorporated into the overall EAS.

Stage 5 of the project was an investigation of the overall preferred GCMS assessment procedure. Its purpose was to assess the comparability of data produced by different laboratories using the same protocol to analyse identical extracts produced from real migration waters. This stage generated considerable data, which appear in Appendix 3, published as a separate volume (EUR 20833 EN/2).

Additional information

Authors: JAMES H, WRc plc, Swindon (GB);HOEKSTRA E J, European Commission, Joint Research Centre, Institute for Environment and Sustainability, Ispra (IT);VAN LEERDAM T, Kiwa N.V. Water Research, Nieuwegein (NL);NOIJ T, Kiwa N.V. Water Research, Nieuwegein (NL);STOTTMEISTER E, Umweltbundesamt, Berlin (DE);BONDANT M, IRH Environnement, Vandoeuvre Lès Nancy (FR);LANGER S, Sveriges Provnings- och Forskningsinstitut, Borås (SE);VESCHETTI E, Istituto Superiore di Sanità, Rome (IT)
Bibliographic Reference: EUR 20833 EN/1 and EUR 20833 EN/2 (2003), 107pp. & 223pp. Free of charge Available online from CPDW website: http://rea.ei.jrc.it/cpdweas/
Availability: Printed version available from European Commission, JRC Knowledge Management Unit, Ispra (IT) Tel: +39 033278 9843 or +39 033278 9864 Fax: +39 033278 9623 E-mail: jrc-publications-office@ec.europa.eu
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