Average concentrations of elements in Santa Barbara County, California

Element	Symbol	Mean	Std. dev.	Minimum	Maximum
Aluminum	Al (wt%)	6.691	0.580	5.158	7.712
Arsenic	As (ppm)	6.955	2.690	2.209	23.965
Calcium	Ca (wt%)	2.556	1.177	0.718	9.562
Copper	Cu (ppm)	22.482	8.650	4.582	56.650
Iron	Fe (wt%)	2.818	0.851	0.613	7.555
Mercury	Hg (ppm)	0.087	0.072	0.011	0.456
Magnesium	Mg (wt%)	0.849	0.395	0.095	2.438
Manganese	Mn (ppm)	554.910	149.739	163.031	1352.630
Sodium	Na (wt%)	1.866	0.187	1.312	2.394
Phosphorus	P (wt%)	0.121	0.144	0.021	1.167
Lead	Pb (ppm)	15.447	4.231	7.082	36.813
Selenium	Se (ppm)	0.533	0.453	0.101	3.159
Titanium	Ti (wt%)	0.380	0.113	0.215	1.260
Zinc	Zn (ppm)	58.752	16.485	11.726	138.113