Element

Non-industrial Reference Site

Study Area

P

Obs

% ND

Median

Min-Max

Obs

% ND

Median

Min-Max

Barium

15

0

1.30

0.55 - 5.30

35

0

1.80

0.59 - 6.4

0.50

Copper

15

0

0.48

0.38 - 1.1

35

0

0.66

0.24 - 23.0

0.07

Iron

14

0

34.0

20.0 - 77.0

30

0

33.0

9.3 - 650.0

0.70

Manganese

14

0

0.67

0.33 - 1.5

32

3.1

0.60

ND - 51.0

0.73

Mercury

9

11.1

0.016

ND - 0.02

24

12.5

0.016

ND - 0.08

0.90

Selenium

15

0

0.45

0.3 - 1.2

35

2.9

0.50

ND - 1.5

0.28

Zinc

15

0

12.0

7.3 - 30.0

35

0

13.0

3.2 - 110.0

0.84