Heavy metals and polycyclic aromatic hydrocarbons in surface sediments of Karoon River, Khuzestan Province, Iran

Karoon is the longest river in Iran and provides water for industries located along its banks, such as metal, petrochemical, and oil industries. It is also the source of drinking water for cities such as Ahwas, Abadan, and Khorramshahr. In this study, 34 and 18 surface sediment samples were collecte...

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Bibliographic Details
Published in:Environmental science and pollution research international 2015-12, Vol.22 (23), p.19077-19092
Main Authors: Keshavarzi, Behnam, Mokhtarzadeh, Zeinab, Moore, Farid, Rastegari Mehr, Meisam, Lahijanzadeh, Ahmadreza, Rostami, Soqra, Kaabi, Helena
Format: Article
Language:English
Subjects:
aluminum
Aquatic Pollution
arsenic
Atmospheric Protection/Air Quality Control/Air Pollution
cadmium
Carcinogens
Carcinogens - analysis
chromium
Cities
Cluster Analysis
Contaminants
Contaminated sediments
Copper
Drinking water
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental conditions
Environmental Health
Geologic Sediments - analysis
guidelines
Heavy metal content
Heavy metals
industry
Iran
Laboratories
lead
Mercury
Metal concentrations
Metals
Metals, Heavy - analysis
Molecular weight
nickel
Oil and gas industry
oils
Petrochemicals
Petroleum Pollution
Pollutants
Pollution
Polycyclic aromatic hydrocarbons
Polycyclic Aromatic Hydrocarbons - analysis
principal component analysis
Principal components analysis
Research Article
risk
Rivers
Rivers - chemistry
Sediment samplers
Sediments
Sewage disposal
Studies
toxicity
United States Environmental Protection Agency
Waste Water Technology
Water Management
Water Pollutants, Chemical - analysis
Water pollution
Water Pollution Control
Water Quality
zinc
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Summary:Karoon is the longest river in Iran and provides water for industries located along its banks, such as metal, petrochemical, and oil industries. It is also the source of drinking water for cities such as Ahwas, Abadan, and Khorramshahr. In this study, 34 and 18 surface sediment samples were collected and analyzed for heavy metals (Al, As, Cd, Cr, Cu, Hg, Ni, Pb, and Zn) and polycyclic aromatic hydrocarbons (PAHs). The measured concentrations of heavy metals were compared with US EPA sediment quality guidelines, and the results showed that Cu concentration was above the threshold effect level (TEL) in 65.67 % of the samples and Hg concentration was above the effect range median (ERM) in some samples. The results revealed that Hg was severely enriched (5 
ISSN:0944-1344
1614-7499
DOI:10.1007/s11356-015-5080-8