Table 1. Chemicals that increased by more than 20% over control cigarette smoke.

Chemical	Per mg TPM (published radar plot [16])	Per Cigarette	Per mg Nicotine
Ingredient group 1
Hydrogen cyanide	L H	L H	L H
Resorcinol	H	L H	L H
Toluene			H
Cadmium	L	L H	L H
Lead		L H	L H
Arsenic		H
Ingredient group 2
TPM		H	H
Carbon monoxide		H	H
Hydrogen cyanide		L H	L H
Acrolein			H
Resorcinol		L H
1 3-Butadiene			H
Isoprene			H
Benzene			H
Toluene		H	H
Benzo[ghi]perylene			H
Cadmium		H	H
Lead		L H	L H
Ingredient group 3
TPM		L	L
Hydrogen cyanide		L H	L H
Formaldehyde	L H	L H	L H
Resorcinol	L H	L H	L H
Chrysene			H
Cadmium	H	L H	L H
Lead		H	H

Empty cells indicate changes under 20%. Only chemicals that increased by 20% or more are listed.

L, low level of additives added (typical of actual usage in commercial cigarettes); H, high level (1.5–3 times the low level).