Effect of traffic volumes on polycyclic aromatic hydrocarbons of particulate matter: A comparative study from urban and rural areas in Malaysia

Samer Al-Battawi, Mohd Talib Latif, Vivien How, Karuppiah Thilakavathy, Haris Hafizal Abd Hamid, Chung Keat Tan and Yu Bin Ho

PLOS ONE, 2024, vol. 19, issue 12, 1-26

Abstract: Motor vehicles emit most Malaysian PAHs in particulate matter of 2.5 μm (PM2.5-bound PAHs). Although traffic-related air pollution harms healthy people, there is a knowledge gap regarding PAHs’ effects on Malaysians. This study examines PM2.5-bound PAH concentrations, distribution, sources, and health risks in Malaysia’s high and low-traffic zones. Kuala Lumpur (KL) and Hulu Langat (HL) exhibit Malaysia’s high- and low-traffic areas. The high-volume air sampler collected 40 ambient PM2.5 samples at both locations. Solid-phase extraction and gas chromatography-mass spectrometry (GC-MS) assessed PAHs. The mean PM2.5-bound PAH concentrations in KL (5.85 ng m-3) were significantly higher than in HL (0.55 ng m-3) (p

Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0315439

DOI: 10.1371/journal.pone.0315439

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