• JPCA (Japan Electronics Packaging and CircuitsAssociation)JPCA-ES-01-1999 defines criteriaand method for “halogen-free”-- Br < 0.09wt% (900ppm)-- Cl < 0.09wt% (900ppm)• IEC (International Electrotechnical Commission)– Finalized requirements of IEC 61249-2-21:• 900 ppm maximum Cl• 900 ppm maximum Br• 1500 ppm maximum total halogens• IPC - 4101B has adopted the IEC definition of halogen-free• 900 ppm maximum Cl• 900 ppm maximum Br• 1500 ppm maximum total halogen