Polycyclic aromatic hydrocarbons (PAHs) exist ubiquitously in the natural environment
however, studies seldom evaluate health risks from aggregate exposures to PAHs from multiple environmental media. This study aimed to estimate the doses and risks of 16 priority PAHs in soil and air for both children and adults and quantify their contributors. Soil and ambient air samples were collected at 50 and 8 sites, respectively, in Memphis, Tennessee, USA. Grab soil samples were taken from the upper 2 inches of the soil and air samples were collected every 12 days for over one year. The sum concentration of 16 PAHs (ΣPAH) averaged 7.6 ± 15.0 mg/kg (range 1.5-98.8 mg/kg) in soil and 73.6 ± 25.3 ng/m