• JPCA (Japan Electronics Packaging and Circuits Association) JPCA-ES-01-1999 defines criteria and 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 halogens