Parameter

Mean ± Standard Deviation (ppm)

Aluminum

0.187 ± 0.003

Arsenic

1.496 ± 0.005

Cadmium

0.000 ± 0.000

Calcium

38.689 ± 0.114

Chromium

0.295 ± 0.004

Cobalt

0.114 ± 0.006

Copper

0.153 ± 0.009

Iron

0.708 ± 0.001

Lead

Magnesium

Manganese

Mercury

Nickel

Potassium

Selenium

Sodium

Vanadium

0.374 ± 0.002

19.750 ± 0.001

1.446 ± 0.044

0.126 ± 0.003

0.226 ± 0.003

9.204 ± 0.002

0.000 ± 0.000

7.060 ± 0.014

0.000 ± 0.000