Nomination Summary for Tobacco-specific N-nitrosamines (N94322)
Nominated Substances: 4-(Methylnitrosamino)-1-(3-pyridyl)-1-butanol, 4-(N-Nitroso-N-methylamino)-1-(3-pyridyl)-1-butanone, N-Nitrosornicotine
Nomination Date: 04/04/1994
Nominator: American Health Foundation
Rationale: Potential for exposure through tobacco smoke.
NTP Principles: not specified