Average concentrations of elements in Rock Island County, Illinois

    Counties page > Hg in Conterminous US > Hg in central US > Averages in Rock Island County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)3.8480.3713.0814.653
ArsenicAs (ppm)6.2291.6613.99611.613
CalciumCa (wt%)1.2010.6730.6443.730
CopperCu (ppm)11.0071.4047.58015.079
IronFe (wt%)2.2400.4121.7093.729
MercuryHg (ppm)0.0170.0040.0100.026
MagnesiumMg (wt%)0.5520.3480.2771.838
ManganeseMn (ppm)894.904280.676584.6491790.330
SodiumNa (wt%)0.7750.0660.6170.930
PhosphorusP (wt%)0.0580.0100.0410.085
LeadPb (ppm)16.3722.14211.35423.009
SeleniumSe (ppm)0.3100.0730.1100.488
TitaniumTi (wt%)0.3810.0570.2740.536
ZincZn (ppm)43.6524.74332.66459.053

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