CAS Number
7440-02-0
Properties
- metal
- trace element for plants, various microorganisms and possibly mammals
Main sources
- industrial and commercial facilities (waste water)
- combustion processes (coal and heavy heating oil)
- steel refineries
- batteries
- catalysts
- anti-corrosion agents
Thresholds for the reporting requirement of facilities in accordance with Annex 2 PRTRO
(Ordinance on the Register relating to Pollutant Release and the Transfer of Waste and of Pollutants in Waste Water)
- Air 50 kg/year
- Water 20 kg/year
- Soil 20 kg/year
Impacts
- toxic in high concentrations, according to compound
- metal and alloys: potential allergen
