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  • Chem Sci Trans., 2018, 7(3),  pp 384-389  

    DOI:10.7598/cst2018.1457

    Research Article

    Status of Heavy Metal Contamination in Nambul River and Some Drainages in Imphal Municipal Areas of Manipur, India

  • LAISHRAM CHANULATA1, NONGTHOMBAM PREMANANDA2 and NONGTHOMBAM SANAMACHA MEETEI3
  • 1Chemistry Department, Standard College, Kongba, Imphal East District, Manipur-795001, India
    2Zoology Department, Presidency College, Motbung, Senapati District, Manipur -795107, India
    3Directorate of Environment, Porompat, Imphal East District, Manipur -795005, India
  • Abstract

    Sediment samples were taken from five collection sites located at different drainages and from a river flowing through the main city market. One collection site is located near dwelling houses about 500 meters away from the market. Sediment samples were analysed for 8 heavy metals using Elemental analysis by AAS-203 method. The results are compared with standard values for the metals prescribed by various agencies. In case of iron, fairly high level of contamination is detected in samples collected from 3 sampling sites. Samples in these sites are found to contain values which are exceeding to the maximum permissible level in wastewater as prescribed by the European Commission (1981 Guide Level). However, other environmental monitoring groups prescribed higher permissible levels of iron in wastewater, more than the amounts detected from all samples. Other sediment samples collected during the present research work contain heavy metal concentrations which are agreeable with the permissible levels regarding the other remaining 7 heavy metals studied. However, the authority concern may take up necessary action to reduce these levels before it may create probable health hazards. The authority may also be advised to monitor the heavy metal contamination in the drainages passing through municipal areas on a regular basis

    Keywords

    Imphal municipal council, Dumping ground, Health hazards

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