“…According to this act, the limits of individual pollutants concentrations formed during the coking process have been fixed. These include: CH 4 , CO, CO 2 , NH 4 , NMVOC (non-methane volatile organic compounds), NO x , SO x , heavy metals and their compounds (As, Cd, Cr, Cu, Hg, Ni, Pb, Zn), PCDDs (polychlorinated dibenzo-p-dioxins) and PCDFs (polychlorinated dibenzofurans), anthracene, benzene, naphthalene, PAHs (polycyclic aromatic hydrocarbons), HCN and PM 10 (particulate matter, fraction below 10 µm) [Regulation EC 2006].…”