A study of industrial water pollution at Kawasan Perindustrian Jejawi, Perlis

Abstract

Hundred and ten water samples were collected for heavy metal and water quality analysis along Sungai Jejawi. Sampling was conducted four times over a period of a month, six times over a period of weekday and weekends and also seven times over a period of a week on December 2009. DR2800 Spectrophotometer and X-Ray Fluorescence (XRF) was used to determine Mn, Cu, Zn and Cr .All the selected heavy metal such as Cu (0.42 mg/L), Mn (0.178 mg/L), Cr (0.091 mg/L) and Zn (0.05 mg/L) had followed the Standard quality. For the XRF determination the trend of heavy metals in water system is Ru> Pd >P> Ca> Hf >Al> Cu >Fe >Os. This river was classified into class III, based on Interim National Water Quality Standards for Malaysia (INWQS) which is it can be use as second water supply, but it required conventional treatment.