Table 1

Carcinogens in sidestream smoke (SS) and secondhand smoke (SHS) of cigarettes*

CarcinogensRepresentative amountsReferences
SS (per cigarette)SHS (per m3)
*Adapted from Hoffmann et al.10
Polycyclic aromatic hydrocarbons (PAH)
benz[a]anthracene201 ng0.32–1.7 ng84, 85
Benzo[b]fluoranthene}196 ng0.79–2.0 ng84, 85
Benzo[j]fluoranthene84, 85
Benzo[k]fluoranthene84, 85
Benzo[a]pyrene45–103 ng0.37–1.7 ng8486
Indeno[1,2,3-cd]pyrene51 ng0.35–1.1 ng84, 85
Dibenz[a,h]anthracene1 ng 87
N-nitrosamines
N-nitrosodimethylamine143–1040 ng4–240 ng8890
N-nitrosoethylmethylamine3–35 ng88, 90
N-nitrosodiethylamine8.2–73 ng20–200 ng88, 90
N-nitrosopiperidine4.8–19.8 ng 86
N-nitrosopyrrolidine7–700 ng3.5–27.0 ng8891
N-nitrosodiethanolamine43 ng 92
N′-nitrosonornicotine (NNN)110–857 ng0.7–23 ng86, 89, 93, 94
4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK)201–1440 ng0.2–29.3 ng86, 89, 93, 94
Aromatic amines
2-toluidine3030 ng 95
2-naphthylamine63.1–128 ng 96
4-aminobiphenyl11.4–18.8 ng 96
Aldehydes
Formaldehyde233–485 µg143 µg96, 97
Acetaldehyde961–1820 µg268 µg96, 97
Miscellaneous organics
Catechol98–292 µg1.24 µg9698
1,3-butadiene98–205 µg0.3–40 µg96, 97, 99, 100
Isoprene668–1260 µg657 µg96, 97
Benzene163–353 µg4.2–63.7 µg68, 96, 97, 99, 100
Acrylonitrile42–109 µg 96
Inorganic compounds
Hydrazine94 ng 101
Nickel51 ng 96
Chromium57–79 ng 96
Cadmium330–689 ng4–38 ng96, 102
Lead28.9–46.6 ng 96
Polonium-2100.091–0.139 pCi 103