Original EA Amendment

MT MORGAN OPEN CUT PIT WATER QUALITY MODELLING stage 2 ● 14

Table 3-2 Summary water quality statistics of dissolved metals and metalloids data of OCP water

OCP Site Statistics

Al (mg/L)

As (mg/L)

B (mg/L)

Cd (mg/L)

Cr (mg/L)

Co (mg/L)

Cu (mg/L)

Fe (mg/L)

Mn (mg/L)

Ni (mg/L)

Se (mg/L)

Zn (mg/L)

Count

14

13

12

13

13

14

14

14

14

13

11

14

Minimum

434

0.007

0.03

0.060

0.005

1.20

13.4

0.50

59.70

0.422

0.020

14.1

5 th %ile

822

0.011

0.04

0.100

0.005

2.08

34.8

0.85

115

0.473

0.023

26.4

20 th %ile

1078

0.018

0.05

0.229

0.005

3.58

60.1

7.35

155

0.829

0.030

43.7

Median

1175

0.024

0.11

0.285

0.005

4.14

69.8

9.50

186

1.020

0.050

51.2

80 th %ile

1308

0.033

0.18

0.321

0.018

4.78

78.9

22.92

191

1.260

0.090

60.0

95 th %ile

1355

0.046

0.39

0.335

0.260

4.90

80.5

1352.83

194

1.406

0.175

61.8

Maximum

1420

0.050

0.50

0.335

0.500

4.93

82.2

3790.00

200

1.430

0.250

62.4

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