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Near-Road Air Quality Monitoring: Factors Affecting Network Design and Interpretation of Data
BALDAUF, R. W., N. WATKINS, D. HEIST, C. BAILEY, P. T. ROWLEY, AND R. C. SHORES. Near-Road Air Quality Monitoring: Factors Affecting Network Design and Interpretation of Data. Air Quality, Atmosphere & Health. Springer Netherlands, , Netherlands, 2(1):1-9, (2009).
The growing number of health studies identifying adverse health effects for populations spending significant amounts of time near large roadways has increased the interest in monitoring air quality in this microenvironment. Designing near-road air monitoring networks or interpreting previously collected near-road monitoring data is essential for transportation system planning, environmental impact assessments, and exposure assessments in health studies. For these applications, care must be taken in determining the pollutants of interest for both air quality and health assessments. In addition, planners and data analysts need to evaluate and understand the potential influence of the roadway type, design, and presence of roadside structures on the potential transport and dispersion of traffic-emitted pollutants for these air quality and health evaluations. This paper summarizes key factors related to the collection and interpretation of near-road air quality data from the perspective of the pollutants of interest and the location of the monitoring sites.