Average concentrations of elements in Multnomah County, Oregon

    Counties page > Se in Conterminous US > Se in northwestern US > Averages in Multnomah County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)7.2950.9784.4608.981
ArsenicAs (ppm)5.3562.1211.88714.434
CalciumCa (wt%)1.6500.4751.0893.222
CopperCu (ppm)31.44013.90816.04492.637
IronFe (wt%)5.0570.8033.5086.943
MercuryHg (ppm)0.0740.0390.0180.196
MagnesiumMg (wt%)0.9490.2590.7361.772
ManganeseMn (ppm)897.771122.245583.1691169.080
SodiumNa (wt%)1.5070.2351.0792.261
PhosphorusP (wt%)0.1130.0250.0550.195
LeadPb (ppm)19.2786.18110.93244.709
SeleniumSe (ppm)0.4050.2340.1001.129
TitaniumTi (wt%)0.6890.0720.4810.905
ZincZn (ppm)102.1499.91381.626129.137

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