The major categories of available control techniques for Cd, Pb and Hg emission abatement are primary measures such as raw material and/or fuel substitution and low-emission process technologies, and secondary measures such as fugitive emission control and off-gas cleaning.
Glavne kategorije razpoložljivih tehnologij nadzora za zmanjšanje emisij Cd, Pb in Hg so primarni ukrepi, kot so nadomeščanje surovin in/ali goriva, ter tehnološki postopki z nizkimi emisijami, in sekundarni ukrepi, kot so nadzor ubežnih emisij in čiščenje odpadnega plina.