Mr. Francisco MIguel Duret Referee: S7 Sampling, Sample Handling and Sample Preparation Company: Control Union Ltda Address: Avenida Afonso Pena, 437 - Macuco 11020-001 Santos, SP Brazil Associate Referee: Ms. Dr. Aneta Antczak-Chrobot Mr. Prof. Junjia Chen Mr. Dr. Andreas Georg Degenhardt Mr. Richard Ferris Mr. José Luis Franco de Godoy Ms. Guylaine Guazzini Ms. Natalie Mayer Mr. Alan N. Mead Mr. Geoff Parkin Mr. Brendan Rich Mr. Kent Selby Mr. Tim Thys Mr. Jay Venning