Figure 1From: Association of traffic-related hazardous air pollutants and cervical dysplasia in an urban multiethnic population: a cross-sectional study Correlations between traffic-related hazardous air pollutant levels. Scatterplots of (A) diesel particulate matter (DPM) and benzene, (B) polycyclic aromatic hydrocarbons (PAHs) and benzene from the 1999 United States’ Environmental Protection Agency’s (U.S. EPA) Assessment System for Population Exposure Nationwide’s (ASPEN) model for Texas census tracts included in the current assessment.Back to article page