Compositions of dust fall around semi-Urban Areas in Malaysia

Fatma Omran M Alahmr, Murnira Othman, Nurul Bahiyah Abd Wahid, Azhar Abdul Halim, Mohd Talib Latif

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

This study aimed to determine the amount and composition of dust fall in semi-urban areas in Selangor, Malaysia from mid-July to mid-October 2010. The dust fall samples (a combination of dry and wet deposition) through rainwater were collected using polyethylene bottles on a monthly basis so as to determine the concentration of total solids, soluble and insoluble solids from eight monitoring stations. The concentration of cations (Ca2+, K+ and Mg2+) and heavy metals (Pb, Fe, Zn, Al, Cr and Cd) were analyzed using an inductively coupled plasma-mass spectrometer (ICP-MS) while the concentration of anions (F-, Cl-, NO3 - and SO4 2-) in the rainwater was determined through ion chromatography (IC). Results showed that the average concentration of total solids in the dust fall (131.50 ± 71.95 mg/m2/day) below the value of 133 mg/m2/day as recommended by the Malaysian Department of the Environment. The dominant anion in rainwater was found to be SO4 2- followed by NO3 -, Cl- and F-, and the dominant cation was Ca2+, followed by K+ and Mg2+. Zn was recorded as the dominant heavy metal in rainwater followed by Fe, Al, Pb, Cd and Cr. This study suggests that sea salts, earth crust and anthropogenic activities such as motor vehicles were the main sources of dust fall in the study areas.

Original languageEnglish
Pages (from-to)629-642
Number of pages14
JournalAerosol and Air Quality Research
Volume12
Issue number4
DOIs
Publication statusPublished - Aug 2012

Fingerprint

rainwater
Dust
urban area
dust
Heavy Metals
Chemical analysis
Heavy metals
Anions
Cations
anion
Negative ions
cation
Positive ions
heavy metal
Ion chromatography
ion chromatography
Bottles
Inductively coupled plasma
sea salt
Polyethylene

Keywords

  • Anion
  • Cation
  • Dust fall
  • Heavy metals
  • Particulate matter
  • Semi-urban area

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution

Cite this

Compositions of dust fall around semi-Urban Areas in Malaysia. / Alahmr, Fatma Omran M; Othman, Murnira; Abd Wahid, Nurul Bahiyah; Abdul Halim, Azhar; Latif, Mohd Talib.

In: Aerosol and Air Quality Research, Vol. 12, No. 4, 08.2012, p. 629-642.

Research output: Contribution to journalArticle

Alahmr, Fatma Omran M ; Othman, Murnira ; Abd Wahid, Nurul Bahiyah ; Abdul Halim, Azhar ; Latif, Mohd Talib. / Compositions of dust fall around semi-Urban Areas in Malaysia. In: Aerosol and Air Quality Research. 2012 ; Vol. 12, No. 4. pp. 629-642.
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