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Table 2 Concentration of heavy metals in the sediments (min, max, average, SD)

From: Heavy metal pollutants and their spatial distribution in surface sediments from Thondi coast, Palk Bay, South India

Elements (mg kg−1) Fe Mn Cr Cu Ni Cd Pb Zn
Minimum 42,516 425 231 31 20.1 0.6 10.2 214
Maximum 62,413 896 378 84 35.6 2.5 19.5 298
Average 52,802.3 686.1 290.3 54.7 27.7 1.2 14.1 252.9
SD 6213.3 141 42.3 16.1 3.0 0.5 2.5 21.8
CV [56] 56,300 950 100 55 75 20 12.5 70
  1. SD standard deviation, CV crustal value