Average concentrations of elements in Charlton County, Georgia

Element	Symbol	Mean	Std. dev.	Minimum	Maximum
Aluminum	Al (wt%)	0.259	0.231	0.036	1.515
Arsenic	As (ppm)	0.897	0.228	0.309	1.808
Calcium	Ca (wt%)	0.019	0.018	0.004	0.098
Copper	Cu (ppm)	1.328	0.401	1.000	2.977
Iron	Fe (wt%)	0.152	0.101	0.012	0.562
Mercury	Hg (ppm)	0.010	0.001	0.010	0.013
Magnesium	Mg (wt%)	0.009	0.009	0.003	0.058
Manganese	Mn (ppm)	39.800	24.942	4.356	112.222
Sodium	Na (wt%)	0.009	0.009	0.003	0.065
Phosphorus	P (wt%)	0.005	0.004	0.003	0.029
Lead	Pb (ppm)	12.584	3.321	5.501	23.506
Selenium	Se (ppm)	0.196	0.103	0.100	0.792
Titanium	Ti (wt%)	0.402	0.077	0.234	0.672
Zinc	Zn (ppm)	2.647	1.483	1.008	11.656