Table 7 Results of leaching experiments with sediment SC4-11 (runs A, B, C, and blank) as dissolved trace-metal concentrations"

SC4-11-A-1

0.47

a

8.01

0.78 ± 0.02

0.75 ± 0.51

3.82 ± 0.11

42.5 ± 1.6

2.98 ± 0.08

1.26 ± 0.01

16.45 ± 0.37

SC4-11-A-2

1.42

41.92

7.78

2.12 ± 0.03

0.44 ± 0.24

1.29 ± 0.10

22.0 ± 0.7

2.20 ± 0.03

1.92 ± 0.02

11.39 ± 0.10

SC4-11-A-3

2.35

42.65

7.81

3.95 ± 0.05

0.24 ± 0.13

1.34 ± 0.04

17.5 ± 0.4

1.79 ± 0.03

2.67 ± 0.03

16.59 ± 0.29

SC4-11-A-4

3.34

42.97

7.82

6.50 ± 0.09

0.31 ± 0.11

1.47 ± 0.05

16.1 ± 0.4

1.42 ± 0.04

2.98 ± 0.01

17.55 ± 0.23

SC4-11-A-5

4.41

43.47

7.87

na

na

na

na

na

na

na

SC4-11-A-6

5.42

43.58

7.87

na

na

na

na

na

na

na

SC4-11-A-7

6.39

43.91

7.83

11.20 ± 0.14

0.22 ± 0.11

1.85 ± 0.13

18.7 ± 0.8

1.55 ± 0.03

2.84 ± 0.01

17.16 ± 0.37

SC4-11-A-8

7.37

43.75

7.81

na

na

na

na

na

na

na

SC4-11-A-9

11.36

44.64

7.93

16.14 ± 0.25

0.32 ± 0.05

2.66 ± 0.10

17.7 ± 0.4

2.18 ± 0.04

2.82 ± 0.03

23.43 ± 0.16

SC4-11-A-10

14.19

45.04

7.82

13.74 ± 0.11

0.28 ± 0.04

2.68 ± 0.12

14.7 ± 0.5

1.90 ± 0.02

2.65 ± 0.01

22.48 ± 0.43

SC4-11-A-11

18.43

45.31

7.82

12.77 ± 0.16

0.31 ± 0.06

2.64 ± 0.07

12.9 ± 0.5

1.92 ± 0.04

2.51 ± 0.03

18.88 ± 0.14

SC4-11-A-12

21.23

45.53

7.86

11.54 ± 0.04

0.26 ± 0.10

2.34 ± 0.07

10.9 ± 0.4

1.80 ± 0.03

2.50 ± 0.01

17.41 ± 0.24

SC4-11-A-13

25.72

46.56

7.77

10.92 ± 0.13

0.39 ± 0.28

3.31 ± 0.04

10.5 ± 0.4

2.03 ± 0.02

3.01 ± 0.01

18.63 ± 0.24

SC4-11-A-14

33.86

46.91

7.82

9.45 ± 0.11

0.41 ± 0.05

2.43 ± 0.08

8.50 ± 1.40

2.00 ± 0.04

2.32 ± 0.05

12.82 ± 0.20

SC4-11-A-15

39.91

47.81

7.87

na

na

na

na

na

na

na

SC4-11-A-16

47.75

41.16

8.05

na

0.38 ± 0.09

1.99 ± 0.08

na

2.21 ± 0.30

2.30 ± 0.28

na

SC4-11-A-17

54.75

44.60

7.81

10.11 ± 0.23

0.44 ± 0.11

2.90 ± 0.09

8.00 ± 0.30

2.10 ± 0.07

3.13 ± 0.01

18.08 ± 0.41

SC4-11-A-18

62.91

44.80

7.85

6.93 ± 0.14

0.41 ± 0.15

2.39 ± 0.06

5.90 ± 0.90

1.76 ± 0.01

2.21 ± 0.06

11.91 ± 0.22

SC4-11-A-19

76.90

48.08

7.87

2.81 ± 0.04

0.41 ± 0.13

1.77 ± 0.04

2.70 ± 0.20

1.16 ± 0.03

1.88 ± 0.02

7.58 ± 0.08

SC4-11-A-20

91.41

47.53

7.94

1.34 ± 0.10

0.36 ± 0.21

1.00 ± 0.01

na

0.88 ± 0.02

1.02 ± 0.05

3.91 ± 0.36

Sediment SC4-11-B

SC4-11-B-1

0.47

a

7.98

0.42 ± 0.02

nd

0.91 ± 0.04

36.9 ± 0.7

1.26 ± 0.04

1.83 ± 0.05

6.88 ± 0.25

SC4-11-B-2

1.42

41.52

7.85

na

na

na

na

na

na

na

SC4-11-B-3

2.35

42.12

7.82

4.89 ± 0.05

nd

1.06 ± 0.06

18.6 ± 0.5

1.86 ± 0.05

3.51 ± 0.03

13.66 ± 0.16

SC4-11-B-4

3.34

42.59

7.86

9.71 ± 0.11

0.32 ± 0.113

1.41 ± 0.09

19.1 ± 0.7

2.21 ± 0.04

3.87 ± 0.04

17.59 ± 0.26

SC4-11-B-5

4.41

43.10

7.86

na

na

na

na

na

na

na

SC4-11-B-6

5.42

a

7.86

na

na

na

na

na

na

na

SC4-11-B-7

6.39

43.73

7.86

11.59 ± 0.13

0.37 ± 0.114

2.07 ± 0.06

15.4 ± 0.6

1.45 ± 0.05

3.03 ± 0.02

19.62 ± 0.33

SC4-11-B-8

7.37

43.84

7.84

12.12 ± 0.42

0.28 ± 0.074

1.85 ± 0.12

13.8 ± 0.4

nd

2.54 ± 0.08

19.94 ± 1.06

SC4-11-B-9

11.36

44.77

7.93

18.20 ± 0.18

0.36 ± 0.053

2.57 ± 0.12

13.7 ± 0.3

2.04 ± 0.03

3.69 ± 0.04

23.71 ± 0.28

SC4-11-B-10

14.19

45.36

7.79

19.87 ± 0.15

0.37 ± 0.045

2.85 ± 0.12

12.7 ± 0.3

2.12 ± 0.07

3.72 ± 0.05

24.53 ± 0.16

SC4-11-B-11

18.43

46.43

7.80

21.20 ± 0.24

0.33 ± 0.057

3.01 ± 0.07

11.2 ± 0.2

2.25 ± 0.04

3.61 ± 0.04

24.59 ± 0.17

SC4-11-B-12

21.23

46.81

7.80

23.01 ± 0.09

0.45 ± 0.096

2.96 ± 0.11

9.16 ± 0.16

2.22 ± 0.04

3.38 ± 0.04

22.65 ± 0.18

SC4-11-B-13

25.72

47.68

7.80

18.43 ± 0.29

0.33 ± 0.276

2.66 ± 0.11

6.17 ± 0.37

2.17 ± 0.06

2.99 ± 0.06

19.27 ± 0.32

SC4-11-B-14

33.86

48.92

7.81

14.20 ± 1.41

0.38 ± 0.050

2.66 ± 0.10

na

1.85 ± 0.04

3.09 ± 0.29

22.52 ± 3.77

SC4-11-B-15

39.91

50.83

7.86

8.27 ± 0.09

0.37 ± 0.045

3.31 ± 0.07

3.73 ± 0.22

1.61 ± 0.01

2.62 ± 0.07

15.25 ± 0.25

SC4-11-B-16

47.75

41.34

7.86

7.42 ± 1.28

0.42 ± 0.087

2.35 ± 0.06

na

1.84 ± 0.13

3.11 ± 0.35

na

SC4-11-B-17

54.75

44.49

7.79

7.74 ± 0.28

0.40 ± 0.112

2.61 ± 0.11

4.60 ± 0.54

1.70 ± 0.05

3.68 ± 0.10

19.64 ± 1.02

SC4-11-B-18

62.91

44.76

7.80

6.70 ± 0.74

0.44 ± 0.148

2.49 ± 0.08

na

1.46 ± 0.05

3.36 ± 0.23

15.42 ± 2.17

SC4-11-B-19

76.90

42.20

7.87

3.49 ± 0.06

0.38 ± 0.134

2.08 ± 0.06

2.28 ± 0.14

1.10 ± 0.04

2.57 ± 0.06

8.68 ± 0.12

SC4-11-B-20

91.41

49.85

7.87

15.24 ± 0.29

0.46 ± 0.214

1.84 ± 0.03

2.83 ± 0.42

4.16 ± 0.05

2.62 ± 0.21

13.79 ± 0.36

Sediment SC4-11-C

SC4-11-C-1

0.47

a

7.96

0.52 ± 0.01

1.00 ± 0.51

13.71 ± 0.26

43.2 ± 1.3

4.96 ± 0.12

2.13 ± 0.02

22.43 ± 0.31

SC4-11-C-2

1.42

41.64

7.66

1.15 ± 0.01

0.30 ± 0.24

2.09 ± 0.10

22.0 ± 0.5

1.97 ± 0.06

1.96 ± 0.00

10.96 ± 0.15

SC4-11-C-3

2.35

42.49

7.84

2.50 ± 0.00

0.34 ± 0.13

2.07 ± 0.06

21.2 ± 0.5

1.65 ± 0.03

2.21 ± 0.02

13.31 ± 0.13

SC4-11-C-4

3.34

43.00

7.85

4.55 ± 0.02

0.32 ± 0.11

2.02 ± 0.07

19.8 ± 0.4

1.49 ± 0.05

2.06 ± 0.01

12.71 ± 0.13

SC4-11-C-5

4.41

43.67

7.85

na

na

na

na

na

na

na

SC4-11-C-6

5.42

43.84

7.86

14.59 ± 0.20

0.45 ± 0.07

1.38 ± 0.07

17.3 ± 0.6

1.17 ± 0.03

3.97 ± 0.03

21.49 ± 0.16

SC4-11-C-7

6.39

44.19

7.84

16.04 ± 0.06

0.29 ± 0.11

1.54 ± 0.05

16.1 ± 0.3

1.67 ± 0.06

4.09 ± 0.04

21.71 ± 0.13

SC4-11-C-8

7.37

44.33

7.86

15.70 ± 0.07

0.27 ± 0.07

1.54 ± 0.08

14.1 ± 0.4

na

3.63 ± 0.04

20.65 ± 0.23

SC4-11-C-9

11.36

45.42

7.91

23.54 ± 0.11

0.28 ± 0.05

2.05 ± 0.12

13.6 ± 0.3

2.30 ± 0.03

6.34 ± 0.05

29.54 ± 0.33

SC4-11-C-10

14.19

46.02

7.83

22.85 ± 0.24

0.39 ± 0.04

2.43 ± 0.15

14.4 ± 1.0

2.33 ± 0.08

4.73 ± 0.06

31.06 ± 0.37

SC4-11-C-11

18.43

47.27

7.80

19.52 ± 0.17

0.29 ± 0.06

2.80 ± 0.19

9.88 ± 0.21

2.21 ± 0.02

6.30 ± 0.07

28.26 ± 0.36

SC4-11-C-12

21.23

47.04

7.74

19.52 ± 0.10

0.26 ± 0.10

2.97 ± 0.06

8.88 ± 0.12

na

4.18 ± 0.03

25.56 ± 0.09

SC4-11-C-13

25.72

48.10

7.81

23.94 ± 3.95

nd ± 0.28

5.95 ± 0.22

na

2.07 ± 0.11

3.94 ± 0.41

na

SC4-11-C-14

33.86

50.50

7.86

13.77 ± 0.26

0.41 ± 0.05

3.73 ± 0.14

5.15 ± 0.18

2.08 ± 0.03

4.41 ± 0.04

21.81 ± 0.11

SC4-11-C-15

39.91

54.43

7.85

10.33 ± 1.13

0.43 ± 0.04

2.37 ± 0.06

na

na

2.97 ± 0.23

13.58 ± 2.22

SC4-11-C-16

47.75

39.49

7.89

na

0.51 ± 0.09

4.10 ± 0.19

na

na

4.26 ± 0.54

na

SC4-11-C-17

54.75

45.85

7.87

10.53 ± 0.21

0.40 ± 0.11

3.54 ± 0.11

5.41 ± 0.97

2.57 ± 0.09

4.59 ± 0.15

29.81 ± 0.57

SC4-11-C-18

62.91

46.58

7.83

3.61 ± 0.07

0.57 ± 0.15

3.69 ± 0.10

3.62 ± 0.11

1.76 ± 0.04

5.19 ± 0.04

24.20 ± 0.26

SC4-11-C-19

76.90

51.01

7.88

1.59 ± 0.28

0.38 ± 0.13

2.17 ± 0.05

na

1.13 ± 0.10

3.37 ± 0.40

12.89 ± 3.12

Blank

B-1

0.47

a

8.01

0.621 ± 0.020

0.37 ± 0.51

2.56 ± 0.05

2.77 ± 0.51

3.70 ± 0.21

0.301 ± 0.010

20.1 ± 1.2

B-2

1.42

40.14

8.04

0.202 ± 0.003

0.32 ± 0.24

1.58 ±

1.98 ± 0.24

0.88 ± 0.02

0.124 ± 0.002

6.07 ± 0.15

B-3

2.35

41.16

8.02

0.185 ± 0.003

0.46 ± 0.13

1.09 ± 0.05

1.75 ± 0.13

0.67 ± 0.02

0.089 ± 0.002

4.51 ± 0.06

B-4

3.34

41.55

8

0.120 ± 0.002

0.22 ± 0.11

0.92 ± 0.05

1.77 ± 0.1

0.75 ± 0.02

0.077 ± 0.002

4.43 ± 0.10

B-5

4.41

42.10

8.02

0.141 ± 0.003

0.29 ± 0.17

0.86 ± 0.02

1.87 ± 0.173

0.68 ± 0.03

0.075 ± 0.002

3.78 ± 0.06

B-6

5.42

a

7.97

0.127 ± 0.005

0.27 ± 0.07

0.65 ± 0.04

1.77 ± 0.07

0.73 ± 0.04

0.047 ± 0.001

2.86 ± 0.07

B-7

6.39

42.87

7.96

0.103 ± 0.004

nd

0.52 ± 0.03

1.61 ± 0.11

0.55 ± 0.03

0.041 ± 0.001

2.74 ± 0.04

B-8

7.37

42.96

8.1

0.124 ± 0.004

0.22 ± 0.07

0.50 ± 0.03

1.73 ± 0.08

0.68 ± 0.02

0.062 ± 0.001

3.28 ± 0.04

B-9

11.36

44.27

7.96

0.103 ± 0.005

0.35 ± 0.05

0.44 ± 0.04

1.72 ± 0.05

0.91 ± 0.03

0.041 ± 0.001

2.45 ± 0.04

B-10

14.19

44.61

8

0.126 ± 0.002

0.32 ± 0.05

0.46 ± 0.03

1.54 ± 0.05

0.89 ± 0.03

0.039 ± 0.001

2.75 ± 0.02

B-11

18.43

45.35

7.94

0.110 ± 0.002

0.22 ± 0.06

0.47 ± 0.02

1.69 ± 0.06

0.88 ± 0.02

0.032 ± 0.001

2.43 ± 0.03

B-12

21.23

45.53

8

0.205 ± 0.007

0.94 ± 0.10

0.76 ± 0.04

2.50 ± 0.10

1.31 ± 0.03

0.043 ± 0.001

3.00 ± 0.04

B-13

25.72

46.33

7.9

0.097 ± 0.014

nd

0.46 ± 0.02

1.68 ± 0.28

0.96 ± 0.08

nd

1.24 ± 0.39

B-14

33.86

47.11

7.92

na

0.10 ± 0.05

0.37 ± 0.03

0.70 ± 0.05

0.94 ± 0.15

nd

2.07 ± 0.37

B-15

39.91

49.35

7.92

na

0.11 ± 0.05

0.37 ± 0.03

0.60 ± 0.05

na

nd

na

B-16

47.75

39.18

7.87

0.107 ± 0.017

nd ± 0.09

0.37 ± 0.02

1.22 ± 0.09

na

na ± 0.000

na

B-17

54.75

41.97

7.89

0.107 ± 0.017

0.21 ± 0.11

0.43 ± 0.03

0.84 ± 0.11

0.98 ± 0.11

0.027 ± 0.002

1.52 ± 0.45

B-18

62.91

43.29

8.06

0.097 ± 0.014

0.20 ± 0.15

0.39 ± 0.02

1.20 ± 0.15

0.98 ± 0.09

nd

na

B-19

76.90

46.33

8

0.113 ± 0.016

0.23 ± 0.13

0.44 ± 0.03

1.47 ± 0.13

1.07 ± 0.06

nd

3.47 ± 0.65

B-20

91.41

49.13

7.92

0.087 ± 0.002

0.20 ± 0.21

0.64 ± 0.02

1.26 ± 0.21

0.92 ± 0.01

0.013 ± 0.000

3.53 ± 0.11