Potential Groundwater Contamination with Toxic Metals in and Around a Dumpsite and Limestone Quarry in Sagame Southwestern Nigeria
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Journal Of The Nigerian Association Of Hydro geologists
This studv evaluated contamination of groundwater with toxic metals in and around Oke diya dumpstle and Limestone quarry in. Sagamu Southwestern Nigeria. The pH values for rhe Gruu;1dwater 11·ere acrdic based on pH with a range of 3 3 to 6. 6 and a slight increase of the values along the groundwater ;7ow direction which is geaerally towards th ecastem pnu of -· the study area. Values of Total Dissolved Solids and Electrical Conductivrry were b~ Me en 57 to I 538mgll and 88 to 2366us/cm respectively which classify the water in the stud)· aren as}i-esh 10 slightly sali~:e. Hi'lher values were observed 111 the dumpsite area when compared with quarry slle The major and trace elements were determined using indttcti vely coupled plasma optical emission spectrometry (fCP-OES) analytical method at Act/nbs in Canad::J. Water samples around Wll PCO and Oke diya dumpsite areas showed a relative abundance of Sr>Ra>Zn>Bi>Pb>Si>Cu>Co>Mn>U ~ and-> Zn>Sr> Ba> Y> Bi> Ce> Cu> W>; Pb> Ni>Si> Co> ,Hn> U respecti1-c ·,.for trace ··!emenrs. The concentrations of trace elements were within World Health Organisation (WHO) standard except . 1, Brt und ' ."• (or leachate sample only. The concentrations - of Nitrate, /;\Jn and Aluminium were higher than WHO standard. fn most of ·.':.1 locations wfth value as high as 483. 76mgll. 0.36mgll and 14.3mgll respectively in I"Cachate. Most of the roxie metals decre··.Jed with diswnc<from the dumpsire espec/,,1/y along the groundwater flow direction and this conflrmed the possrbility vft\'atr:ra! auenuariot. t;:·ocesses in the study area.
Trace elements , Dumpsite , Quarry , leachate
Odukoya, A. M., Laniyan, T. A., & Wibes, F. A. (2012). Potential Groundwater Contamination with Toxic Metals in and Around a Dumpsite and Limestone Quarry in Sagame Southwestern Nigeria. Journal Of The Nigerian Association Of Hydro geologists.