Kepekatan beban bahan pencemar di Alur Ilmu kampus UKM Bangi: Kaedah min kepekatan peristiwa (EMC)

Translated title of the contribution: Loading concentrations of pollutant in Alur Ilmu at UKM Bangi campus: Event mean concentration (EMC) approach

Haslinur Md Din, Mohd. Ekhwan Toriman, Mazlin Mokhtar, Rahmah Elfithri, Nor Azlina Ab Aziz, Nur Munirah Abdullah, Mohd Khairul Amri Kamarudin

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Water pollutant loadings and river discharge are among the basic data used in determining the dynamicity of a river. The input of water quality and river discharge are usually available through the collection of water samples in the field or at the observatory, and are done automatically using the data logger sensor. This paper discusses the concentrations pollutant load water quality and its relationship with discharge (m3/s) using Event Mean Concentration (EMC) in the Alur Ilmu, UKM source from the Diptrokarp forest at Hutan Simpan Bangi (2 °55'14.72 N 101 ° 46'57.37 E). Alur Ilmu is a 1.79 km long stretching across the main campus of National University of Malaysia before flowing into the Langat River. Water quality was measured using automatic gauging and continuous water quality stations which are installed at downstream of Alur Ilmu (2 °55'40.33 N 100 °46'47.15 E) and involves in measuring the parameters of total dissolved solid (TDS) and dissolved oxygen (DO).Laboratory analysis carried out for chemical parameters such as ammonia nitrogen (NH3-N), total suspended solid (TSS), biochemical oxygen demand (BOD) and chemical oxygen demand (COD) in accordance with guidelines American Public Health Association (APHA, 1995). The normal discharge rate recorded at Alur Ilmu is 0.33 m3/s and the wet discharge is 13.04 m3/s. The total estimated pollutant loadings according to EMC as DO (18.51 ± 3.01 mg/L), TDS (794.92 ± 186.72 mg/L), BOD (11.57 ± 0.28 mg/L), COD (201.29 ± 1.55mg/l), TSS (470.03 ± 27.63mg/L) and Ammonia Nitrogen (2.52 ± 0.0 mg/L). Correlation test showed a direct relationship between rainfall and flow (Q) and several pollutant loadings with R2=1 at a significance level of 0.05. The study also classified some of the pollutants concentrations in class III and IV as determined by the Water Quality Index (WQI).

Original languageUndefined/Unknown
Pages (from-to)353-365
Number of pages13
JournalMalaysian Journal of Analytical Sciences
Volume16
Issue number3
Publication statusPublished - 2012

Fingerprint

Water quality
Biochemical oxygen demand
Chemical oxygen demand
Dissolved oxygen
Ammonia
Discharge (fluid mechanics)
Nitrogen
Water Pollutants
Rivers
Gaging
Observatories
Stretching
Rain
Water
Sensors

Keywords

  • Alur Ilmu
  • Correlation
  • Event mean concentrations
  • River discharge
  • Water quality

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Kepekatan beban bahan pencemar di Alur Ilmu kampus UKM Bangi : Kaedah min kepekatan peristiwa (EMC). / Din, Haslinur Md; Toriman, Mohd. Ekhwan; Mokhtar, Mazlin; Elfithri, Rahmah; Aziz, Nor Azlina Ab; Abdullah, Nur Munirah; Kamarudin, Mohd Khairul Amri.

In: Malaysian Journal of Analytical Sciences, Vol. 16, No. 3, 2012, p. 353-365.

Research output: Contribution to journalArticle

Din, Haslinur Md ; Toriman, Mohd. Ekhwan ; Mokhtar, Mazlin ; Elfithri, Rahmah ; Aziz, Nor Azlina Ab ; Abdullah, Nur Munirah ; Kamarudin, Mohd Khairul Amri. / Kepekatan beban bahan pencemar di Alur Ilmu kampus UKM Bangi : Kaedah min kepekatan peristiwa (EMC). In: Malaysian Journal of Analytical Sciences. 2012 ; Vol. 16, No. 3. pp. 353-365.
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