Average concentrations of elements in Thomas County, Georgia

Element	Symbol	Mean	Std. dev.	Minimum	Maximum
Aluminum	Al (wt%)	1.290	0.486	0.411	2.925
Arsenic	As (ppm)	1.938	0.537	0.668	4.171
Calcium	Ca (wt%)	0.035	0.024	0.005	0.103
Copper	Cu (ppm)	2.161	1.256	1.005	10.930
Iron	Fe (wt%)	0.714	0.282	0.119	2.018
Mercury	Hg (ppm)	0.013	0.003	0.010	0.022
Magnesium	Mg (wt%)	0.025	0.011	0.007	0.063
Manganese	Mn (ppm)	68.490	38.440	13.021	197.927
Sodium	Na (wt%)	0.006	0.005	0.003	0.039
Phosphorus	P (wt%)	0.019	0.009	0.007	0.046
Lead	Pb (ppm)	10.942	2.135	2.268	17.033
Selenium	Se (ppm)	0.173	0.053	0.100	0.484
Titanium	Ti (wt%)	0.307	0.051	0.058	0.449
Zinc	Zn (ppm)	8.901	2.132	2.746	14.792