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Abstract / Description of output
Implementation of regulatory standards has reduced exhaust emissions
of particulate matter from road traffic substantially in the developed world. However,
nonexhaust particle emissions arising from the wear of brakes, tires, and the road
surface, together with the resuspension of road dust, are unregulated and exceed
exhaust emissions in many jurisdictions. While knowledge of the sources of
nonexhaust particles is fairly good, source-specific measurements of airborne
concentrations are few, and studies of the toxicology and epidemiology do not give
a clear picture of the health risk posed. This paper reviews the current state of
knowledge, with a strong focus on health-related research, highlighting areas where
further research is an essential prerequisite for developing focused policy responses to
nonexhaust particles.
of particulate matter from road traffic substantially in the developed world. However,
nonexhaust particle emissions arising from the wear of brakes, tires, and the road
surface, together with the resuspension of road dust, are unregulated and exceed
exhaust emissions in many jurisdictions. While knowledge of the sources of
nonexhaust particles is fairly good, source-specific measurements of airborne
concentrations are few, and studies of the toxicology and epidemiology do not give
a clear picture of the health risk posed. This paper reviews the current state of
knowledge, with a strong focus on health-related research, highlighting areas where
further research is an essential prerequisite for developing focused policy responses to
nonexhaust particles.
Original language | English |
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Pages (from-to) | 6813-6835 |
Journal | Environmental Science and Technology |
Volume | 56 |
Issue number | 11 |
Early online date | 25 May 2022 |
DOIs | |
Publication status | E-pub ahead of print - 25 May 2022 |
Keywords / Materials (for Non-textual outputs)
- exposure assessment
- health effects
- mitigation
- nonexhaust emissions
- road traffic
- toxicity
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