Dibenzo[a,l]Pyrene

Vehicle and diesel exhaust, residential wood stoves and wildfires, industrial combustion (e.g., coke ovens), coal tar and asphalt fumes, and charred or smoked foods [3][4].

Breathing polluted air or tobacco/wood smoke; eating charred, grilled, or smoked meats; skin contact with soot, coal‑tar products, or asphalt at work; contaminated house dust [3][4].

Damages DNA and increases cancer risk as part of PAH mixtures; has very high cancer potency relative to benzo[a]pyrene [1][2].

People who smoke or breathe secondhand smoke; workers in paving/roofing, coke or aluminum production, foundries, firefighting, chimney/boiler cleaning; residents near heavy traffic or wildfire smoke; pregnant people, infants, and children [3][4].

Avoid smoke; use kitchen exhaust and don’t char food (favor baking/steaming); check air quality and use clean indoor air during smoke events; at work, use ventilation, protective gear, and good hygiene to limit soot/coal‑tar contact [3][4].