THRESHOLD FOR RELEASES
to air kg/year to water kg/year to land kg/year
Arsenic and compounds (as As) 20 5 5
Cadmium and compounds (as Cd) 10 5 5
Chromium and compounds (as Cr) 100 50 50
Copper and compounds (as Cu) 100 50 50
Lead and compounds (as Pb) 200 20 20
Mercury and compounds (as Hg) 10 1 1
Nickel and compounds (as Ni) 50 20 20
Zinc and compounds (as Zn) 200 100 100