Chemical:
Acetaldehyde, Arsenic (inorganic arsenic compounds), Benzene, Benzo[a]pyrene, Benzo[b]fluoranthene, Benzo[k]fluoranthene, Benz[a]anthracene, Beryllium, Cadmium, Chromium (hexavalent compounds), Chrysene, Formaldehyde (gas), Lead, Mercury, Mercury and mercury compounds, Nickel compounds, Silica, crystalline (airborne particles of respirable size)