“…Additionally, more recent inventories have documented numerous sources of emissions for dioxin, furans and PCBs (including 6 coking plants, 13 metallurgic plants, 17 processing plants for electronic waste, 5 medical and veterinary waste incinerators, 3 waste battery processing plants, 2 cement plants, and 2 plants processing waste containing PCBs or pesticides) [8]. Previous studies have documented high levels of carcinogenic air pollutants in Silesia, particularly benzo[a]pyrene, benzene, heavy metals (cadmium, lead), and fine particulate matter [9,10]. In 2009, the International Agency for Research on Cancer reevaluated the evidences of cadmium carcinogenicity and classified this metal as a sufficient factor for lung cancer development [11].…”