Zone (Composite Snow Sample Locations)

Pb (µg/l)

As (µg/l)

Cr (µg/l)

Cd (µg/l)

Ni (µg/l)

Zn (µg/l)

Mn (µg/l)

Hg (µg/l)

Industrial

Mean

30.1

0.33

4.29

0.62

3.71

545.4

30.0

0.062

N

5

5

5

5

5

5

5

5

Std. Deviation

31.4

0.22

4.00

0.53

3.73

651

24.7

0.08

Median

18.5

0.27

3.09

0.40

2.52

410

25.4

0.03

Minimum

10.2

0.15

1.13

0.21

0.99

39.9

11.7

ND

Maximum

85.8

0.72

10.8

1.53

10.2

1660

72.2

0.20

Roadside

Mean

5.55

0.47

2.20

0.09

1.82

78.5

30.9

ND

N

4

4

4

4

4

4

4

4

Std. Deviation

5.37

0.40

2.15

0.07

1.87

63.1

25.8

ND

Median

4.15

0.36

1.57

0.08

1.45

64.7

23.1

ND

Minimum

0.69

0.14

0.43

0.01

ND

18.6

9.52

ND

Maximum

13.2

1.02

5.21

0.18

4.37

166

67.8

ND

Commercial

Mean

4.77

0.30

0.98

0.06

0.86

53.4

11.2

ND

N

4

4

4

4

4

4

4

4

Std. Deviation

2.37

0.09

0.26

0.02

0.18

21.2

1.24

ND

Median

4.05

0.28

0.93

0.06

0.85

52.4

11.1

ND

Minimum

2.89

0.22

0.74

0.04

0.65

28.5

9.94

ND

Maximum

8.07

0.41

1.31

0.08

1.08

80.2

12.8

ND

Residential/Parkland

Mean

1.54

0.08

0.32

0.03

0.57

19.8

6.56

ND

N

10

10

10

10

10

10

10

10

Std. Deviation

1.56

0.08

0.18

0.02

1.52

10.8

1.78

ND

Median

0.99

0.05

0.26

0.02

0.00

16.2

6.70

.ND

Minimum

0.51

ND

0.14

0.01

ND

9.30

4.33

ND

Maximum

5.04

0.21

0.74

0.06

4.82

43.3

10.2

ND

Background

Mean

0.20

ND

0.01

0.21

0.37

8.25

3.63

ND

N

2

2

2

2

2

2

2

2

Std. Deviation

0.01

0.00

0.003

0.06

0.52

1.06

1.03

ND

Median

0.20

ND

0.01

0.22

0.37

8.25

3.63

ND

Minimum

0.19

ND

0.01

0.17

ND

7.50

2.90

ND

Maximum

0.20

ND

0.01

0.26

0.74

9.00

4.36

ND