Average concentrations of elements in Middlesex County, Massachusetts

    Counties page > Al in Conterminous US > Al in northeastern US > Averages in Middlesex County (Calculated from cells in the geochemical grid plotting in this area.)
Element Symbol Mean Std. dev. Minimum Maximum
AluminumAl (wt%)5.0720.2084.2725.731
ArsenicAs (ppm)7.2424.2532.10437.172
CalciumCa (wt%)1.4520.2220.8882.181
CopperCu (ppm)17.1446.5705.03252.603
IronFe (wt%)2.3220.5221.1104.345
MercuryHg (ppm)0.0810.0380.0360.490
MagnesiumMg (wt%)0.5100.1260.1240.888
ManganeseMn (ppm)875.448209.871435.8201962.730
SodiumNa (wt%)1.4760.0861.1661.725
PhosphorusP (wt%)0.0670.0080.0400.108
LeadPb (ppm)128.883107.92837.203993.384
SeleniumSe (ppm)0.1280.0290.1000.281
TitaniumTi (wt%)0.6500.1580.3751.662
ZincZn (ppm)55.93817.22118.613137.810

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