Aluminium Copper 3 Cadmium 2 Mercury 2 Zinc 2 Acidic aerosoles 1 Aldehydes 1 Arsenic 1 Asbestos related diseases 1 Asbestos toxic 1 Benzene 1 Bioaerosol contaminants 1 Carbon 1 Carbon monoxide 1 Cast Iron 1 Chemical contaminants 1 Chemical exposures 1 Chromium 1 Cobalt 1 Diesel exhaust 1 Dioxins 1 Disinfection, drinking water 1 Dosimetry 1 Drinking water disinfection 1 Electromagnetic fields 1 Engineering 1 Exposures, human 1 Fibres 1 Food additives 1 Food contaminants 1