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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Table 1 Distribution of PTEs in river Hooghly

From: Spatiotemporal distribution of potentially toxic elements in the lower Gangetic delta and their implications for non-carcinogenic health risk management

  Parameter Al Cd Co Cr Cu Fe Mn Ni Pb Zn
Summer Mean 8306.5 6.5 25.0 27.8 41.0 7659.7 158.7 35.1 13.2 52.0
Std. deviation 4721.2 3.9 16.0 15.8 22.9 4516.9 93.1 18.8 7.9 28.2
25th Percentiles 6132.4 4.1 15.3 19.1 33.8 5060.4 124.0 27.1 8.9 41.3
50th Percentiles 8493.0 6.4 23.1 28.6 40.4 7783.2 165.8 36.8 12.7 56.5
95th Percentiles 15,197.0 14.7 54.7 54.4 76.4 16,429.0 308.9 63.2 27.4 99.4
Monsoon Mean 7471.6 5.7 21.0 21.8 34.9 6667.8 132.4 29.0 10.8 42.0
Std. deviation 5409.0 4.3 16.7 16.7 26.1 4969.7 103.0 20.6 8.3 29.6
25th Percentiles 915.1 1.1 3.3 3.5 3.6 1068.9 11.3 4.5 1.9 4.5
50th Percentiles 7981.5 5.7 19.9 22.4 37.4 7136.1 129.4 31.4 11.8 51.7
95th Percentiles 15,454.0 14.7 52.4 52.6 76.4 16,429.0 310.4 60.1 27.4 84.8
Winter Mean 9482.90 8.69 30.87 32.89 51.18 9183.40 193.18 45.34 15.78 66.38
25th Percentiles 3885.38 4.21 15.78 16.84 22.32 4132.27 92.92 23.14 7.64 27.60
50th Percentiles 7572.70 5.61 18.68 20.75 38.78 7293.00 145.54 34.11 11.98 56.91
95th Percentiles 9236.80 8.39 29.45 31.47 46.50 8563.20 184.50 42.30 14.42 66.03
25th Percentiles 15,882.00 17.71 61.16 66.46 88.15 15,645.00 375.47 93.88 31.69 113.77
  1. All values are in µg/l