Proficiency Testing

• National Food Processors Association
  • 5 Labs with LC/MS/MS
  • Crackers - 137 ppb mean =148 ppb, s.d.= 8.4

  • Chips - 224 ppb mean = 225 ppb, s.d. = 13.4

• Food Analysis Performance Assessment Scheme (FAPAS)
  • Crispbread
  • 37 participants, 32 satisfactory scores
  • 22 (8) labs used LC/MS methods, 19 labs used GC/MS methods
  • Assigned value 1213 µg/kg
  • CFSAN reported value 1264 µg/kg