. 2016 Apr 12;4(2):8. doi: 10.3390/toxics4020008

Table 1.

The classification of human carcinogens for the air toxics designated in Taiwan.

Air toxics	HAPs by US EPA	Confirmed human carcinogen
Air toxics	HAPs by US EPA	IARC	USNTP	ACGIH
Asbestos and matter containing asbestos	Listed	v	v	v
Benzene	Listed	v	v	v
Benzo(a)pyrene ^a	Listed	v	-	-
Beryllium and beryllium compounds	Listed	v	v	v
1,3-Butadiene	Listed	v	v	-
Cadmium and cadmium compounds	Listed	v	v	-
Chloromethyl methyl ether	Listed	v	v	v
Chromium VI compounds	Listed	v	v	v
Formaldehyde	Listed	v	v	-
Nickel compounds	Listed	v	v	v
2,3,4,7,8-Pentachlorodibenzofuran ^b	Listed	v	-	-
Polychlorinated biphenyls	Listed	v	-	-
2,3,7,8-tetrachlorodibenzo-p-dioxin ^c	Listed	v	v	-
Trichloroethylene	Listed	v	-	-
Vinyl chloride	Listed	v	v	v

^a One of polycyclic aromatic hydrocarbons (PAHs); ^b One of polychlorinated dibenzo-p-furans (PCDFs); ^c One of polychlorinated dibenzo-p-dioxins (PCDDs).