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. 2013 Jul;2013(7):24-30.

The Near-Road Ambient Monitoring Network and Exposure Estimates for Health Studies

Stuart Batterman  1
Affiliations

The Near-Road Ambient Monitoring Network and Exposure Estimates for Health Studies

Stuart Batterman. EM (Pittsburgh Pa). 2013 Jul.

Abstract

The transport sector is the largest source of NOx and CO emissions, and among the largest sources of PM2.5 and VOCs. As a result of EPA's new near-road monitoring requirements, high-quality measurements of ambient NO2, CO, and PM2.5 concentrations will be available from more than 120 sites adjacent to major roads in over 100 cities nationwide in the next few years. This article discusses how data from the new network will provide opportunities to further develop, calibrate, and verify exposure assessment methods and models.

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Figures

Figure 1
Figure 1
Exposure-disease-stress model for cumulative risks from multiple stressors, taken from the Integrated Science Assessment for NO2.
Figure 2
Figure 2
NO2 concentrations by time-of-day for spring 2012 (March-May) at near-road, near-field, and far-field sites in Detroit, MI. Based on Michigan Department of Environmental Quality data collected at Eliza Howell 1 and 2, and East 7 Mile sites. The first two sites are 10 and 100 m north of I96, an interstate with an annual average daily traffic (AADT) of about 135,000 vehicles per day and a fleet equivalent AADT of about 180,000. The third site is in a residential neighborhood in Northeast Detroit, downwind from the urban core, and over 3.5 km from freeways. Plots show hourly concentrations for minimum, maximum, 10th, 25th, 50th, 75th, and 90th percentile concentrations.
See this image and copyright information in PMC

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