Japan MHLW

In May of 2006, the Japan Ministry of Health, Labour and Welfare (MHLW) introduced regulations for the levels of agricultural chemical residues allowed in plant-based and animal-based foods. This ′positive list′ includes pesticides, feed additives, and veterinary drugs. The goal of this regulation is to prevent the distribution of foodstuffs containing these residues at levels above specific limits. Analysis involves either LC-MS or GC-MS. The recommended Supelco capillary GC column is:
  • SLB-5ms