Average concentrations of elements in Knox County, Illinois

    Counties page > Hg in Conterminous US > Hg in central US > Averages in Knox County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)4.0060.2863.1904.711
ArsenicAs (ppm)12.5405.4446.14833.742
CalciumCa (wt%)1.0870.2160.7191.940
CopperCu (ppm)13.0571.7197.72816.072
IronFe (wt%)2.7820.4341.7084.045
MercuryHg (ppm)0.0180.0040.0100.031
MagnesiumMg (wt%)0.4780.0810.3170.766
ManganeseMn (ppm)1140.270513.110461.3203078.700
SodiumNa (wt%)0.7120.0150.6700.755
PhosphorusP (wt%)0.0800.0180.0550.143
LeadPb (ppm)21.7283.97514.86536.695
SeleniumSe (ppm)0.7790.4070.2422.326
TitaniumTi (wt%)0.3520.0560.2100.554
ZincZn (ppm)67.18323.42836.486186.627

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