期刊
ENVIRONMENTAL SCIENCE & TECHNOLOGY
卷 56, 期 11, 页码 6813-6835出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.est.2c01072
关键词
exposure assessment; health effects; mitigation; nonexhaust emissions; road traffic; toxicity
资金
- Health Effects Institute
- National Institute for Health Research (NIHR) Health Protection Research Unit in Environmental Exposures and Health
- UK Health Security Agency and Imperial College
- MRC Centre for Environment and Health - Medical Research Council [MR/S0196669/1]
- NIHR Imperial Biomedical Research Centre [RDR03]
- Wellcome Trust [209376/Z/17/Z]
- Swedish Transport Administration and NordFoU
- NERC and Robert Bosch GmbH [NE/S013342/2]
- NERC OSCA [NE/T001909/2]
- British Heart Foundation [CH/09/002]
- MRC [PUAG019]
- National Institutes of Health of the United States [ES031986]
Implementing regulatory standards has significantly reduced exhaust emissions of particulate matter from road traffic in developed countries. However, unregulated nonexhaust particle emissions from brake and tire wear, road surface, and road dust resuspension exceed exhaust emissions in many jurisdictions. Although the sources of nonexhaust particles are fairly well-known, specific measurements of airborne concentrations are limited, and the toxicology and epidemiology studies do not provide a clear understanding of the associated health risks.
Implementation of regulatory standards has reduced exhaust emissionsof particulate matter from road traffic substantially in the developed world. However,nonexhaust particle emissions arising from the wear of brakes, tires, and the roadsurface, together with the resuspension of road dust, are unregulated and exceedexhaust emissions in many jurisdictions. While knowledge of the sources ofnonexhaust particles is fairly good, source-specific measurements of airborneconcentrations are few, and studies of the toxicology and epidemiology do not givea clear picture of the health risk posed. This paper reviews the current state ofknowledge, with a strong focus on health-related research, highlighting areas wherefurther research is an essential prerequisite for developing focused policy responses tononexhaust particles.
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