Benzo[a]pyrene is a federal hazardous air pollutant under the category of Polycyclic Organic Matter and was identified as a toxic air contaminant in April 1993 under AB 2728.
CAS Registry Number: 50-32-8
Molecular Formula: C20H12
For information on exposure and health effects of benzo[a]pyrene, see the summary sheet on Polycyclic Organic Matter (page 803).