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- W2350870216 abstract "Objective To investigate pollution characteristics and health risk assessment of PM2.5 polycyclic aromatic hydrocarbons. Methods PM2.5 were collected consecutively for one week in winter in 2012 in suburb of Jiamusi. A total of 16 EPA priority PAHs were extracted by ultrasonic extraction method and were quantified using GC/MS. Results PM2.5 mass concentrations ranged 55.63-120.72 μg/m3with an average of 74.80 μg/m3, while PAHs mass concentrations ranged 24.49-220.78 μg/m3with an average of 102.82 μg/m3. The ratio analysis suggested coal-burning was the predominant sources for PAHs from PM2.5 in Jiamusi, not vehicle emission. PAHs profile was predominated by fluoranthene, pyrene and phenanthrene and the average contribution was 53.58%. Adopting benzo(a) pyrene(BaP) and benzo(a) pyrene-equivalent carcinogenic concentration(BaPE) to evaluate carcinogenic power of PAHs in PM2.5, the daily average concentration of BaP was 7.19 ng/m3 and the daily average concentration of BaPE was 8.62 ng/m3. The BaP and BaPE concentration were in excess of the regional standard(2.5 ng/m3), the level was higher. Conclusions Coal-burning is the predominant source for PAHs from PM2.5 in Jiamusi and BaP concentration is higher." @default.
- W2350870216 created "2016-06-24" @default.
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- W2350870216 date "2013-01-01" @default.
- W2350870216 modified "2023-09-24" @default.
- W2350870216 title "Characteristics of polycyclic aromatic hydrocarbons in PM2.5 and health risk assessment in winter in suburb of Jiamusi, Heilongjiang" @default.
- W2350870216 hasPublicationYear "2013" @default.
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