Average concentrations of elements in Washington County, Iowa

    Counties page > Fe in Conterminous US > Fe in central US > Averages in Washington County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.9430.3145.2796.786
ArsenicAs (ppm)11.5261.1239.52415.244
CalciumCa (wt%)0.5340.0430.4170.623
CopperCu (ppm)19.7441.97614.67025.631
IronFe (wt%)2.6850.2372.1843.316
MercuryHg (ppm)0.0280.0050.0120.040
MagnesiumMg (wt%)0.5840.0490.4550.720
ManganeseMn (ppm)783.403111.032510.3681282.460
SodiumNa (wt%)0.7630.0300.6930.830
PhosphorusP (wt%)0.0570.0080.0380.077
LeadPb (ppm)19.6512.10412.74524.894
SeleniumSe (ppm)0.5670.0870.3320.727
TitaniumTi (wt%)0.3170.0090.2970.348
ZincZn (ppm)71.7284.12857.48583.646

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