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Table 4 Comparison of heavy metals concentration in water (mg/L) of rivers and tributaries and in agricultural soils (mg/kg) of selected farms in Cameron Highlands

From: Land use change in highland area and its impact on river water quality: a review of case studies in Malaysia

    Total heavy metal concentration (mg/kg)/(mg/L)
No. References/parameters (mean) Sample Rn222 (Bq/L) Al As Ca Cd Co Cr Cu Fe K Mg Mn Na Ni Pb Zn
1 Khairiah et al. 2006 Soil                 
 Brinchang   aBDL 18 93 402 921 aBDL 87.6
 Ringlet       0.9   10 117 322    885    aBDL 90.2
 Tanah Rata       0.1   12 59 469    355    aBDL 38.1
2 Hamzah et al. 2011 Soil                 
 Bharat   3252 250
 Kg. Raja           4337        253
 Lembah Bertam           4100        246
3 Khalik and Abdullah 2013 Water 1.30 0.001 4.8 0.002 0.08 0.60 1.90 0.80 0.012 2.80 0.005 0.008
4 Al-Nafiey et al. 2014 Water 0.25 0.009 0.009 0.08 0.043 0.07 0.08
5 Ismail et al. 2017 Water aBDL-0.02 aBDL-0.02 aBDL-0.03 aBDL-0.11
  1. aBDL below detection limit