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Table 1 Summary data of maximum tabacco-specific nitrosamine levels in various cigarettes and nicotine-delivery products includine electronic cigarettes (ng/g, except for nicotine gum and patch that are ng/gum piece and ng/patch) – Modified by Khan Z et al. J Public Health Policy 2011

From: A fresh look at tobacco harm reduction: the case for the electronic cigarette

Product NNN NNK NAT NAB
Nicorette gum (4 mg) 2.00 ND ND ND
NicoDerm CQ patch (4 mg) ND 8.00 ND ND
Electronic cigarettes 3.87 1.46 2.16 0.69
Swedish snus 980.00 180.00 790.00 60.00
Winston (full) 2200.00 580.00 560.00 25.00
Marlboro (full) 2900.00 960.00 2300.00 100.00
Camel (full) 2500.00 900.00 1700.00 91.00
Marlboro (ultra-light) 2900.00 750.00 1100.00 58.00
  1. NNN, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone; NNK, N’-nitrosonornicotine.
  2. NAT, N’-nitrosoanatabine; NAB, N’-nitrosoanabasine.
  3. ND, Not detected.