Preparation and certification of a reference material on PCBs in pig fat and its application in quality control in monitoring laboratories during the Belgian

Bester, K.; de Vos, P.; Le Guern, L.; Harbeck, S.; Hendrickx, F.; Kramer, G.N.; Linsinger, T.; Mertens, I.; Schimmel, H.; Sejeroe-Olsen, B.; Pauwels, J.; De Poorter, G.; Rimkus, G.G.; Schlabach, M.