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Heavy metal contents in highway runoff in Malaysia

Al-Mamun, Abdullah and Salleh, Md. Noor and Muyibi, Suleyman Aremu and Zainudin, Zaki and Idris, Azni (2013) Heavy metal contents in highway runoff in Malaysia. In: 4th Global Engineering, Science and Technology Conference, 27-28 December, 2013, Dhaka, Bangladesh.

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Pavement runoff is considered as one of the major non-point pollution sources of heavy metals from typical urban areas. Storm runoff from five highway toll plazas located within the Klang Valley is being collected to study the heavy metal content. This study reports the initial findings on the common metallic pollutants, namely Lead (Pb), Zinc (Zn) Copper (Cu), Nickel (Ni), Cadmium (Cd), Chromium (Cr) from the selected highways in Malaysia. Event Mean Concentration (EMC) was calculated to compare the runoff quality with the National Water Quality Standards (NWQS) and industrial Effluent Quality Standards (EQA) of Malaysia. The average EMC values of the selected heavy metals are below the allowable limits stipulated in the NWQS and EQA. However, based on the initial results, the EMC of Cadmium (0.019 mg/L) and Lead (0.09 mg/L) in highway runoff from the Sg. Buloh Toll was higher than that of the Class II of the NWQS (0.010 mg/L and 0.05 mg/L, respectively). Low concentration of selected metals in the highway runoff could be attributed to less input from the vehicles or high rainfall amount, which causes dilution.

Item Type: Conference or Workshop Item (Full Paper)
Additional Information: 5174/34936
Uncontrolled Keywords: highway, rainfall, runoff quality, storm even
Subjects: T Technology > TD Environmental technology. Sanitary engineering > TD172 Environmental pollution
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User: Dr Abdullah Al Mamun
Date Deposited: 06 Feb 2014 08:15
Last Modified: 06 Feb 2014 08:16
URI: http://irep.iium.edu.my/id/eprint/34936

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