Average concentrations of elements in Washington County, Oregon

    Counties page > Se in Conterminous US > Se in northwestern 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%)7.3360.4316.3738.630
ArsenicAs (ppm)5.0141.3031.65810.895
CalciumCa (wt%)2.1470.8690.8854.459
CopperCu (ppm)37.77522.61113.77199.222
IronFe (wt%)5.8331.4893.6619.422
MercuryHg (ppm)0.0340.0140.0100.082
MagnesiumMg (wt%)1.2890.6240.6583.170
ManganeseMn (ppm)995.084166.564594.4401345.900
SodiumNa (wt%)1.3780.2300.8291.825
PhosphorusP (wt%)0.0980.0250.0470.142
LeadPb (ppm)16.2903.3187.28722.611
SeleniumSe (ppm)0.2320.0730.1000.398
TitaniumTi (wt%)0.7800.0830.5601.049
ZincZn (ppm)118.61719.50589.595188.052

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