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Kimbrough S, Hanley T, Hagler G, et al. Influential factors affecting black carbon trends at four sites of differing distance from a major highway in Las Vegas. Air Qual Atmos Health. 2018;11(2)doi: 10.1007/s11869-017-0519-3.
Kimbrough, S., Hanley, T., Hagler, G., Baldauf, R., Snyder, M., & Brantley, H. (2018). Influential factors affecting black carbon trends at four sites of differing distance from a major highway in Las Vegas. Air quality, atmosphere, & health, 11(2), . https://doi.org/10.1007/s11869-017-0519-3
Kimbrough, Sue, et al. "Influential factors affecting black carbon trends at four sites of differing distance from a major highway in Las Vegas." Air quality, atmosphere, & health vol. 11,2 (2018). doi: https://doi.org/10.1007/s11869-017-0519-3
Kimbrough S, Hanley T, Hagler G, Baldauf R, Snyder M, Brantley H. Influential factors affecting black carbon trends at four sites of differing distance from a major highway in Las Vegas. Air Qual Atmos Health. 2018;11(2). doi: 10.1007/s11869-017-0519-3. PMID: 32665795; PMCID: PMC7359888.
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Air Qual Atmos Health. 2018;11(2). doi: 10.1007/s11869-017-0519-3.

Influential factors affecting black carbon trends at four sites of differing distance from a major highway in Las Vegas.

Air quality, atmosphere, & health

Sue Kimbrough, Tim Hanley, Gayle Hagler, Richard Baldauf, Michelle Snyder, Halley Brantley

Affiliations

  1. Office of Research and Development, National Risk Management Research Laboratory, U.S. Environmental Protection Agency, 109 TW Alexander Dr., Research Triangle Park, NC, 27711, USA.
  2. Office of Air Quality Planning and Standards, U.S. Environmental Protection Agency, 109 TW Alexander Dr., Research Triangle Park, NC, 27711, USA.
  3. Office of Transportation and Air Quality, U.S. Environmental Protection Agency, 2000 Traverwood Drive, Ann Arbor, MI, 48105, USA.
  4. Institute for the Environment, Center for Environmental Modeling for Policy Development, University of North Carolina, 100 Europa Dr, Chapel Hill, NC, 27517, USA.
  5. Office of Research and Development, National Risk Management Research Laboratory, U.S. Environmental Protection Agency, 109 TW Alexander Dr., Research Triangle Park, NC, 27711, US; And Oak Ridge Institute of Science and Education Fellow, U.S. Environmental Protection Agency, Research Triangle Park, NC, USA.

PMID: 32665795 PMCID: PMC7359888 DOI: 10.1007/s11869-017-0519-3

Abstract

Elevated air pollution levels adjacent to major highways are an ongoing topic of public health concern worldwide. Black carbon (BC), a component of particulate matter (PM) emitted by diesel and gasoline vehicles, was measured continuously via a filter-based light absorption technique over ~ 16 months at four different stations positioned on a perpendicular trajectory to a major highway in Las Vegas, NV. During downwind conditions (winds from the west), BC at 20 m from the highway was 32 and 60% higher than concentrations at 100 and 300 m from the roadway, respectively. Overall highest roadside (20-m site) BC concentrations were observed during the time period of 4 a.m.-8 a.m. under low-speed variable winds (3.02 μg/m

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