1. Lars Jorhem NFA Sweden

2. Collaboratively validated NMKL-methods As, Cd, Hg and Pb using ICPMS after microwave digestion (NMKL no. 186, EN 15763) Tin in foods using FAAS or GFAAS after microwave digestion (NMKL no. 190, EN 15764) Tin in foods using ICPMS after microwave digestion (NMKL no. 191, EN 15765)

3. Additional validation of old method Determination of Pb and Cd extracted from ceramics: Addition of MU-data from a proficiency test.

4. Methods for collaborative validation within CEN Determination of inorganic arsenic (iAs) by SPE-HG- AAS after microwave assisted extraction in marine feeding stuffs Determination of inorganic arsenic by HPLC-ICPMS with HCl- extraction in food of marine and plant origin Determination Methyl mercury-determination by isotope dilution GC-ICPMS after extraction with TMAH in food of marine origin (NMKL?)