Storm Runoff Pollution from a Residential Catchment in Miri, Sarawak
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2012Type
Conference Paper
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Ho, Carrie Lee Ing and Quan, Choo Bo. 2012. Storm Runoff Pollution from a Residential Catchment in Miri, Sarawak, in Rahman, M.E. (ed), Engineering Goes Green, The 7th Curtin University Technology, Science and Engineering Conference (CUTSE) 2012, Nov 6-7 2012, pp. 149-152. Miri Malaysia: Curtin University Sarawak Malaysia.
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The proceedings of the 7th Curtin University Conference (CUTSE): Engineering Goes Green
Source Conference
The 7th Curtin University Technology, Science and Engineering Conference (CUTSE) 2012
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Abstract
In this paper, stormwater runoff from a residential catchment located in Miri, Sarawak was characterized to determine the pollutant concentrations and loading. The observed average event mean concentration were 116 mg/L for TSS, 115 mg/L for COD, 1.5 mg/L for NH3-N, and 0.23 mg/L for Pb. Based on the Interim National Water Quality Standards (INWQS) for Malaysia, the average EMC value for TSS exceeded class II (50 mg/L), exceeded class V (>100 mg/L) for COD, and exceeded class III (0.9 mg/L) for NH3-N. All four water quality parameters exhibited first flush characteristic, but to varying magnitude and was influenced by the storm characteristics.