scholarly journals Seasonal Variation and Sources of Heavy Metals in Atmospheric Aerosols in a Residential Area of Ulsan, Korea

2011 ◽  
Vol 11 (6) ◽  
pp. 679-688 ◽  
Author(s):  
Byeong-Kyu Lee ◽  
Nguyen Thi Hieu
1996 ◽  
Vol 30 (13) ◽  
pp. 2343-2354 ◽  
Author(s):  
Shinji Wakamatsu ◽  
Akira Utsunomiya ◽  
Jin Suk Han ◽  
Atsuko Mori ◽  
Itsushi Uno ◽  
...  

2019 ◽  
Author(s):  
Lubna Alam ◽  
Md. Mahmudul Alam ◽  
Mazlin Bin Mokhtar ◽  
Azizul Bar ◽  
Nicholas Kathijotes ◽  
...  

Heavy metals are widely used in various industries and became a great concern all over the world due to environmental contamination. This study provides an assessment of seasonal variability and risks to human health associated with the exposure to heavy metals concentrated in Langat river water of Malaysia. The Department of Environment (DOE) Malaysia kindly provided the heavy metal concentration data in water for this study. Several multivariate estimation such as an independent t test, box-and-whisker plot and Principal component analysis were carried out to evaluate the seasonal variation of metals concentration in water. The average value of ten analyzed metals was 250.81 µg/l and followed in order of abundance by August > Jun > February > October > April > December > March > May > September > January > July > November. The calculated HPI was 123.42, which is far above the critical index value of 100, indicating pollution with respect to heavy metals. Estimates of health risks associated with river water were summarized according to non-carcinogenic and carcinogenic health effects. No potential threat was detected for noncarcinogenic risk as the HI values calculated were <1. Potential carcinogenic risks associated with the ingestion and dermal absorption of heavy metals in water were evaluated probabilistically by performing 10,000 trails for Monte Carlo simulation where potential carcinogenic risk exists in case of Cd and As.It is necessary to take proper steps to reduce the pollution of heavy metals in Langat River.


2008 ◽  
Vol 42 (34) ◽  
pp. 8027-8035 ◽  
Author(s):  
Issei Suzuki ◽  
Kazuhiko Hayashi ◽  
Yasuhito Igarashi ◽  
Hiroshi Takahashi ◽  
Yousuke Sawa ◽  
...  

2019 ◽  
Vol 20 (1) ◽  
Author(s):  
Ai Yin Sow ◽  
Ahmad Ismail ◽  
Syaizwan Zahmir Zulkifli ◽  
Mohammad Noor Amal ◽  
Kamarul Hambali

2002 ◽  
Vol 10 ◽  
pp. 263-268
Author(s):  
Osamu BANNAI ◽  
Tatsuya TANIKOSHI ◽  
Minoru YONEDA ◽  
Shinsuke MORISAWA

2007 ◽  
Vol 137 (1-3) ◽  
pp. 441-449 ◽  
Author(s):  
Eun-jung Park ◽  
Dae-seon Kim ◽  
Kwangsik Park

2014 ◽  
Vol 692 ◽  
pp. 3-7 ◽  
Author(s):  
Min Jiao ◽  
Xiang Li ◽  
Jing Yu Liu ◽  
Yong Qiang Tian ◽  
Yu Huang ◽  
...  

Analysis on the concentrations of Pb, Cu in the roots, stems, leaves of phragmites australis which grows on Lingang New City of Shanghai showed that both of Pb, Cu in roots were higher concentrations than that in stems and leaves; the absorption of Pb,Cu had obvious seasonal variation; in winter, the enrichment of Pb, Cu in phranmites autralis was occurred and the enrichment ability of Pb was higher than Cu,


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