Appendix J - Rio Tinto

Transkript

Mount Thorley Operations 2014 — Environmental Impact Statement
Appendix J
Surface water study
www.emgamm.com
Mount Thorley Operations 2014 — Environmental Impact Statement
Appendix J ʊ Surface water study
J
www.riotinto.com.au
MOUNT THORLEY OPERATIONS
2014 AND WARKWORTH
CONTINUATION 2014
SURFACE WATER ASSESSMENT
Prepared for Coal & Allied Operations Pty Limited
June 2014
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ANZECC
(2000)
Water Quality
Parameter
Al - Total
(mg/l)
As - Total
(mg/l)
B (mg/l)
Ba (mg/l)
Ca - Total
(mg/l)
CaCO3 - Total
Hard (mg/l)
Cl- (mg/l)
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
Trigger Value
(Lowest)
0.055
(Ecosystem)
0.013
(Ecosystem)
0.37
(Ecosystem)
1
(Recreational)
1,000
(Livestock
drinking)
175
(Irrigation)
Hunter River
W1 – U/S
Loders Ck
(Site
monitoring)
0.33
0.52
5.73
5
0.001
0.001
0.001
10
0.00
0.04
0.05
9
0.022
0.031
0.085
9
27
39
44
7
77
163
249
2
132
136
140
2
Discharge Dam
At Singleton
(NOW
monitoring)
Dam 1N
-
<LOR
0.13
38
37.0
50.0
70
100
153
71
0.09
0.16
10.06
5
0.001
0.013
0.017
10
0.06
0.08
0.11
10
0.015
0.033
0.114
9
15
40
50
18
502
590
848
13
0
Dam 9S
0.26
0.38
0.71
9
0.002
0.007
0.025
13
0.08
0.10
0.12
13
0.027
0.051
0.085
12
7
13
17
8
200
200
200
1
856
946
964
3
,-./.01
4
ANZECC
(2000)
Water Quality
Parameter
Fe - Filtered
(mg/L)
K - Total
(mg/l)
Li (mg/l)
Mg - Total
(mg/l)
Mn - Total
(mg/l)
Na - Total
(mg/l)
P - Total
(mg/l)
Rb - Total
(mg/l)
Se (mg/l)
Si (mg/l)
SO4 - Total
(mg/l)
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
Hunter River
Trigger Value
(Lowest)
0.2
(Irrigation)
-
2.5
(Irrigation)
2,000
(Livestock
drinking)
0.1
(Recreational)
115
(Irrigation)
0.05
(Irrigation &
Ecosystem)
-
0.01
(Recreational)
-
400
(Recreational)
W1 – U/S
Loders Ck
(Site
monitoring)
0.03
0.12
0.21
3
3
4
4
7
0.002
0.005
0.030
5
23
28
35
7
0.056
0.110
0.352
9
42
73
80
7
0.06
0.09
2.35
6
0.001
0.002
0.004
5
0.00
0.00
0.05
9
3.01
12.20
14.82
4
26
34
145
8
-
Discharge Dam
At Singleton
(NOW
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0.004
0.121
8
3.1
4.4
69
30.7
43.0
70
0.057
0.155
10
0.060
0.152
240
38.2
80.0
70
Dam 1N
0.02
0.05
0.09
4
23
36
44
5
0.131
0.275
0.358
5
25
36
67
6
0.004
0.008
0.046
9
1,306
1,800
1,900
5
0.01
0.02
0.48
6
0.043
0.061
0.063
5
0.00
0.01
0.01
10
5.62
6.25
7.65
4
444
1,011
1,304
10
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0.01
0.01
0.01
1
27
30
34
8
0.197
0.212
0.294
9
13
19
25
9
0.005
0.011
0.030
12
1,720
1,860
2,197
8
0.01
0.02
0.03
9
0.048
0.055
0.060
9
0.00
0.01
0.01
13
5.30
6.40
9.24
5
730
939
1,290
11
,-./.01
4
ANZECC
(2000)
Water Quality
Parameter
Sr - Total
(mg/l)
Zn - Total
(mg/l)
4.7
10%ile
Median
90%ile
N
10%ile
Median
90%ile
N
Hunter River
Trigger Value
(Lowest)
-
0.008
(Ecosystem)
W1 – U/S
Loders Ck
(Site
monitoring)
0.125
0.380
0.490
5
0.005
0.005
0.019
10
Discharge Dam
At Singleton
(NOW
monitoring)
Dam 1N
-
<LOR
0.09
23
0.316
0.640
0.833
5
0.005
0.005
0.036
10
Dam 9S
0.382
0.648
0.882
9
0.005
0.005
0.021
13
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6.4
WATER BALANCE MODEL CALIBRATION
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Node No. Node Name
Water Supply
161
MTJV Water Supply Scheme
Controlled Discharges
311
Dam 1N HRSTS Discharge
313
Dam 9S HRSTS Discharge
Operating Rules

Supplies to the following locations as required:
à Dam 14S
à Dam 1N
à MTW South Vehicle Washdown
à MTW North Vehicle Washdown
à MTW South Misc. Industrial Use
à MTW North Misc. Industrial Use

Warkworth controlled release point from Dam 1N
under the following conditions:
à >70% of MOL capacity
à Maximum 100ML/d
à Under ‘High’ flows – releases so that
downstream EC does not exceed 900S/cm.
à Under ‘Flood’ flows – not limited by salts.
Discharged to Hunter River via Doctor’s Creek.
Storage overflows to Doctor’s Creek.
Mount Thorley controlled release point from
Dam 9S under the following conditions:
à >70% of MOL capacity
à Maximum 100ML/d
à Under ‘High’ flows – releases so that
downstream EC does not exceed 900S/cm.
à Under ‘Flood’ flows – not limited by salts.
Discharged to Hunter River via Loders Creek.
Storage overflows to Loders Creek.

Water Demands
MTW North CHPP ( 150
)
250
MTW South CHPP (MTO)

181
MTW South Vehicle Washdown
183
MTW South CHPP
Miscellaneous Industrial Use
281
MTW North Vehicle Washdown
283
MTW North CHPP
Miscellaneous Industrial Use

Supplied from Dam 1N via the Raw Water Tank
Tailings directed to Abbey Green South/
CRTSF/Abbey Green North/Loders Pit –
depending on stage.
Supplied from the following locations (via the
Header Tank):
à Dam 14S
à Dam 15S
Tailings directed to Abbey Green South /
CRTSF/Abbey Green North/Loders Pit –
depending on stage.
Supplied from MTJV Supply Scheme as per 3
,9.
85% loss assumed.
Return directed to Dam 1S/2S.
Suppled from MTJV Supply Scheme as per 3
,9.
100% loss assumed.
Supplied from MTJV Supply Scheme as per 3
,9.
85% loss assumed.
Return directed to Dam 31N/21N.
Suppled from MTJV Supply Scheme as per 3
,9.
100% loss assumed.
,
,-./.01
4
Node No.
307
308
Node Name
AutoBahn, ROM and Charlton
Ridge Truck Fill Points (TFPs)
Slither and 120s Truck Fill
Points (TFPs)
North Truck Fill Point
Operational Pits
190
Loders Pit
Operating Rules

Supplied from Dam 6S at a maximum rate of
3,481kL/d on a ‘non-rain day’.

Reduction in demand for days of rain.

100% loss assumed.

Supplied from Dam 1N at a maximum rate of

100% loss assumed.

Supplied from Dam 4N at a maximum rate of

100% loss assumed.

290
North Pit North

291
West Pit

293
South Pit

295
North Pit

Continuous dewatering from pit dewatering pumps
(when required) at a nominal maximum rate of
100L/s.
Pit dewatering directed to Dam 6S (SOOP Dam).
Receives seepage from Dam 17S (Centre Ramp
TD) at a rate of 12,000kL/d.
Receives pumped transfers from the following
locations for Years 14-21:
à MTW North CHPP (tailings)
MTW South CHPP (tailings)Receives spillway
overflows from the following locations:
à Mini-strip TSF
à Dam 12S (Charlton Levee)
à Dam 17S (CRTSF)
Receives groundwater inflows as per Table 6.4.
100L/s.
Pit dewatering directed to Dam 4N, Dam 1N, Dam
6S.
Receives seepage from Dam 33N at a rate of
50kL/d.
280L/s.
Pit dewatering directed to Dam 6S (SOOP Dam)
or Dam 1N.
Receives spillway overflows from Dam 11N.
280L/s.
Pit dewatering directed to Dam 6S (SOOP Dam)
or Dam 1N.
100L/s.
Pit dewatering directed to Dam 1N.
Water Storages
,
,-./.01
4
Node No.
102
Node Name
Dam 1S/2S
103
Dam 3S
104
Sediment Dam A
105
106
Dam 5S
Dam 6S (SOOP Dam)
107
Ramp 22 Dam
109
Dam 9S
110
Dam 10S
Operating Rules

locations:
à Dam 6S (SOOP Dam).
à Dam 16S (Interim TD).

Receives return from MTW South Vehicle
Washdown.

Pump transfers to Dam 6S when >12ML.

Storage overflows to Loders Creek Tributary.

Rehabilitated area sediment dam (clean
catchment).

Receives storage overflows from Dam 16S.

Mined out from Yr 9 onwards.

Present for Yr 9 onwards.

Storage overflows to Loders Creek tributary.

Storage overflows to Dam 6S (SOOP Dam).

Primary mine water storage for Mount Thorley.

locations:
à Loders Pit
à Mini-strip TSF
à Dam 1S/2S
à Dam 15S (South CPP)
à Dam 16S
à Dam17S (Centre Ramp TSF)
à Dam 1N
à Dam 11N
à North Pit North
à West Pit
à South Pit
à Abbey Green South
à Coal Loader Dam (52ML Dam)

Supplies to the following locations:
à Dam 2S
à Dam 14S
à Dam 1N
à Dam 9S
à AutoBahn TFP
à ROM TFP
à Charlton Ridge TFP

Present from Yr 3 onwards.

Mount Thorley HRSTS controlled release point
(max. 200ML/d).

locations:
à Dam 6S (SOOP Dam)
à Dam 9(A)S

Supplies to Dam 14S as required.

Present for Yr 0 only.

catchment).

Storage overflows to Dam 11S.
,B
,-./.01
4
Node No.
111
Node Name
Dam 11S
112
Dam 12S (Charlton Levee)
113
Dam 9(A)S
114
Dam 14S
115
Dam 15S (South CHPP)
116
Dam 16S (Interim TD)
117
Dam 17S (Centre Ramp TSF)
118
Coal Loader Dam (52ML Dam)
119
Loders Pit North Clean Water
Dam
Mini-strip TSF
191
Operating Rules

catchment).

Storage overflows to Loders Pit.

Rehabilitated area sediment dam.

Pump transfers to Dam 9S.

locations:
à Dam 9S
à MTJV Water Supply Scheme (as required)

Supplies to Header Tank as required.

Receives overflows from Dam 14S.

Supplies to Header Tank as required.

Pump transfers to Dam 6S when >10ML.

Pump transfers to Dam 2S or Dam 6S to maintain
empty.

à MTW South CHPP (tailings)

Seeps to Loders Pit at a rate of 12,000kL/d.

Storage overflows to Loders Pit (no spillway).

Rehabilitated from Yr 14 onwards.

Pump transfers to Dam 6S to maintain empty.

Clean water catchment.

Supplies to Dam 6S as required.

,
,-./.01
4
Node No.
201
Node Name
Dam 1N
204
Dam 4N
205
Sediment Dam B
206
Dam 6N
207
Abbey Green South
208
Abbey Green North
Operating Rules

Primary mine water storage for Warkworth.

Warkworth HRSTS controlled release point (max
100ML/d).

locations:
à Dam 6S
à Dam 4N
à North Pit North
à North Pit
à West Pit
à South Pit
à Dams 13/14/15N
à NOOP Dam
à Dam 16N
à Dam 32N
à Dam 33N
à MTJV Water Supply Scheme

Receives storage overflows from Dams
13/14/15N.

Supplies to the following locations:
à MTW North CHPP & miscellaneous industrial
use via Raw Water Tank
à NOOP Dam
à Slither and 120s TFPs

Transfers to Dam 6S @ 300L/s when > 240ML.

locations:
à North Pit North
à Dam 27N
à Honeypot Dam
à Dam 30N

Pump transfers to Dam 1N to maintain empty.

Supplies to North Pit TFP.

Storage overflows to Sandy Hollow Creek.

Storage overflows to Longford Creek.

Receives storage overflows from Dam 6(A)N.

Tailings storage facility.

Pump transfers to the following locations at a
nominal rate of 100L/s:
à Dam 6S
à Capped and rehabilitated from Yr 9 onwards.

Capped and rehabilitated from Yr 14 onwards.
,-
,-./.01
4
Node No.
211
Node Name
Dam 11N
212
Dam 12N
215
Dams 13/14/15N
216
Dam 16N
217
Dam 17N
218
220
Dam 18N
Dam 20N
227
Dam 27N
228
NOOP Dam
230
Dam 30N
231
Dam 31N (CC8) + Dam 21N
232
Dam 32N (Tailings Dam 1)
233
Dam 33N (Tailings Dam 2)
306
Dam 6(A)N
381
Honeypot Dam
Operating Rules

Pump transfers to Dam 6S (SOOP Dam) to
maintain empty.

Storage overflows to West Pit.

Receives pumped transfers from Dam 31N (CC8).

Supplies to Raw Water Tank as required.

Supplies to Dam 1N as required.

Storage overflows to Dam 1N.

(Dams 13N & 14N not present from Yr 3 onwards)

Receives seepage from Dam 32N (Tailings
Dam 1).

Pump transfers to the Dam 1N to maintain empty.

catchment).

Receives storage overflows from the following
locations:
à Dam 18N
à Dam 30N

Pump transfers to Dam 4N at a rate of 25L/s to
maintain empty.

Present from Yr 3 onwards.

2-way transfer with Dam 1N.

Storage overflows to Doctors Creek.

Receives storage overflows from Dam 33N
(Tailings Dam 2).

Transfers to Dam 4N to maintain empty (50L/s).

Pump transfers to Dam 12N at a rate of 70L/s.

Receives return from MTW North Vehicle
Washdown.

Storage overflows to Doctor’s Creek,

Present for Yr 0 only (rehabilitated from Yr 3
onwards).

Seeps to Dam 16N at a rate of 50kL/d.

Pump transfers to Dams 1N to maintain empty.

Seeps to North Pit North at a rate of 50kL/d.

Receives moisture in ash from Redbank Power
Station at a rate of 68kL/d.

Pump transfers to Dams 1N to maintain empty.

Pump transfers to Dam 1N to maintain empty.

Receiving Waters
,,
,-./.01
4
Node No.
174
Node Name
Loders Creek (including
Tributary)
175
176
Wollombi Brook
Hunter River
275
Doctor’s Creek
276
Longford Creek
277
Sandy Hollow Creek
,9-9B > $ Operating Rules

Receives controlled HRSTS discharges from Dam
9S.

locations:
à Sediment Dam A
à Dam 1S/2S
à Dam 3S
à Dam 9S
à Dam 9(A)S
à Ramp 22 Dam
à Dam 11S
à Dam 15S (South CPP)
à Coal Loader Dam (52ML Dam)

Not linked to MTW water management system.

Receives controlled releases from the following
locations:
à Dam 1N (via Doctors Creek)
à Dam 9S (via Loders Creek)

Receives controlled HRSTS discharges from Dam
1N.

locations:
à Dam 1N
à Dam 12N
à Dam 16N
à Dam 31N (CC8) + 21N
à Dam 32N
à NOOP Dam

locations:
à Dam 6N/6(A)N
à Honeypot Dam
à Sediment Dam B
à Dam 20N

locations:
à Dam 4N
à Dam 17N
à Dam 27N
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REFERENCES
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4
APPENDIX A
SUMMARY OF MTW WATER QUALITY MONITORING
PROGRAM RESULTS
0605-09-D7
2 June 2014
Hunter River
Water Quality
Parameter
W1
W3
Loders Creek
W2
W5
Doctors Creek
W15
W4
W14
10%ile
0.33
0.11
0.56
0.06
0.08
0.13
0.56
Median
0.52
1.11
1.20
0.33
0.25
0.28
3.66
Al - Total (mg/l)
90%ile
5.73
15.65
1.52
8.76
2.86
0.47
8.59
N
5
6
3
5
5
3
4
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0.001
0.001
0.001
0.001
0.002
0.001
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0.001
0.001
0.002
0.002
0.004
0.002
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0.001
0.003
0.002
0.006
0.003
0.006
0.008
N
10
9
4
12
6
3
6
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0.00
0.03
0.03
0.05
0.02
0.06
0.02
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0.04
0.04
0.04
0.08
0.07
0.08
0.05
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0.06
0.04
0.09
0.14
0.14
0.08
N
9
9
4
10
5
3
6
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0.022
0.021
0.027
0.064
0.012
0.153
0.018
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0.031
0.032
0.034
0.086
0.071
0.220
0.048
Ba (mg/l)
90%ile
0.085
0.126
0.039
0.130
0.110
0.244
0.108
N
9
9
4
11
5
3
6
10%ile
27
24
37
18
25
11
13
Median
39
39
50
78
49
20
35
Ca - Total (mg/l)
90%ile
44
49
105
119
113
22
65
N
7
8
6
7
7
3
5
10%ile
77
86
336
392
140
584
38
Median
163
230
560
1,111
210
584
88
CaCO3 - Total Hard (mg/l)
90%ile
249
266
944
1,830
1,506
584
138
N
2
3
3
2
3
1
2
10%ile
132
140
3,231
2,407
1,830
515
Median
136
144
3,275
2,675
1,830
515
Cl- (mg/l)
90%ile
140
147
3,319
2,943
1,830
515
N
2
2
0
2
2
1
1
10%ile
440
450
600
1,726
2,180
1,200
620
Median
645
630
800
7,270
4,840
5,760
3,305
EC Field (uS/cm (25TRef))
90%ile
890
890
1,082
12,570
8,108
16,024
11,620
N
90
81
85
135
88
37
26
10%ile
810
533
470
4,200
646
25,320
535
Median
810
845
1,135
4,200
6,770
25,320
4,695
EC Lab (uS/cm (25TRef))
90%ile
810
7,240
5,925
4,200
10,978
25,320
9,475
N
1
84
84
1
85
1
56
10%ile
0.03
0.05
0.01
0.04
0.01
0.02
0.05
Median
0.12
0.22
0.02
0.13
0.03
0.02
0.23
Fe - Filtered (mg/L)
90%ile
0.21
0.22
0.02
1.85
0.12
0.02
2.21
N
3
3
2
6
3
2
3
10%ile
3
3
4
15
8
26
7
Median
4
4
4
27
14
45
19
K - Total (mg/l)
90%ile
4
4
5
34
25
71
32
N
7
7
2
7
6
3
5
10%ile
0.002
0.004
0.005
0.019
0.017
0.048
0.012
Median
0.005
0.006
0.005
0.088
0.037
0.093
0.037
Li (mg/l)
90%ile
0.030
0.039
0.007
0.140
0.053
0.107
0.207
N
5
6
3
5
5
3
4
10%ile
23
14
23
26
41
143
15
Median
28
28
29
317
136
205
29
Mg - Total (mg/l)
90%ile
35
36
34
418
388
243
94
N
7
7
3
7
6
3
5
10%ile
0.056
0.003
0.050
0.038
0.016
0.011
0.011
Median
0.110
0.108
0.114
0.073
0.081
0.012
0.092
Mn - Total (mg/l)
90%ile
0.352
0.766
0.130
0.313
0.416
0.037
0.298
N
9
9
4
10
5
3
6
10%ile
42
40
67
480
362
2,226
107
Median
73
66
88
2,380
896
3,970
563
Na - Total (mg/l)
90%ile
80
80
106
2,794
2,590
5,274
1,111
N
7
7
3
7
6
3
5
10%ile
0.06
0.07
0.06
0.05
0.04
0.14
0.13
Median
0.09
0.19
0.11
0.06
0.07
0.20
0.88
P - Total (mg/l)
90%ile
2.35
2.62
0.15
0.17
0.10
0.36
3.89
N
6
6
3
4
4
3
5
10%ile
7.5
7.6
7.4
7.9
7.4
7.8
7.3
Median
8.0
8.1
8.0
8.2
8.0
8.7
8.1
pH Field
90%ile
8.4
8.4
8.3
8.6
8.4
9.0
8.6
N
89
80
85
133
88
37
26
10%ile
7.6
7.7
7.5
7.9
7.3
8.3
7.3
Median
7.6
8.2
8.1
8.0
8.1
8.8
8.2
pH Lab
90%ile
7.6
9.0
8.9
8.1
8.9
9.3
8.7
N
1
86
87
2
85
2
56
10%ile
0.001
0.001
0.002
0.010
0.002
0.007
0.003
Median
0.002
0.002
0.003
0.014
0.006
0.008
0.007
Rb - Total (mg/l)
90%ile
0.004
0.009
0.004
0.025
0.011
0.008
0.019
N
5
6
3
5
5
3
4
10%ile
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Median
0.00
0.00
0.00
0.00
0.00
0.00
0.00
Se (mg/l)
90%ile
0.05
0.07
0.00
0.01
0.55
0.01
0.11
N
9
8
4
10
5
3
6
10%ile
3.01
4.01
10.60
0.16
0.20
0.43
0.07
Median
12.20
14.50
13.00
2.65
1.11
1.26
0.16
Si (mg/l)
90%ile
14.82
15.60
16.20
4.97
4.75
2.09
10.43
N
4
5
3
4
4
2
3
10%ile
26
21
32
274
232
713
28
Median
34
32
35
550
1,300
1,001
33
SO4 - Total (mg/l)
90%ile
145
186
37
2,099
2,516
1,288
850
N
8
6
2
10
4
2
5
10%ile
0.125
0.163
0.384
0.379
0.177
1.564
0.139
Median
0.380
0.351
0.400
1.600
0.550
1.820
0.510
Sr - Total (mg/l)
90%ile
0.490
0.487
0.520
3.244
2.862
2.604
0.959
N
5
6
3
5
5
3
4
10%ile
5
8
10
4
3
8
15
Median
21
22
21
14
14
35
54
TSS (mg/L)
90%ile
65
61
59
97
80
78
110
N
88
80
84
129
83
36
25
10%ile
17.0
22.0
42.2
3.9
240.0
100.0
Median
17.0
22.0
55.0
3.9
240.0
100.0
Turbidity (NTU)
90%ile
17.0
22.0
67.8
3.9
240.0
100.0
N
1
1
2
1
1
0
1
10%ile
0.005
0.005
0.003
0.005
0.005
0.007
0.006
Median
0.005
0.022
0.005
0.007
0.008
0.012
0.026
Zn - Total (mg/l)
90%ile
0.019
0.064
0.006
0.030
0.042
0.013
0.134
N
10
9
4
12
6
3
6
N = Number of samples
Note: The value of analytes analysed in a concentration below the detection limit were replaced for the value of the detection limit.
Appendix A
Longford Creek
Sandy Hollow Creek
W27
WW5
3.33
14.70
30.54
3
0.001
0.004
0.006
4
0.04
0.05
0.05
3
0.061
0.089
0.107
3
5
6
10
5
41
41
41
1
25
34
42
2
200
288
390
31
0
0.32
0.35
2.73
3
6
7
10
5
0.005
0.007
0.013
3
3
7
7
5
0.030
0.047
0.050
3
19
26
38
5
0.04
0.13
0.27
4
6.9
7.4
7.8
31
6.8
6.8
6.8
1
0.007
0.024
0.038
3
0.00
0.01
0.01
3
2.89
10.63
18.37
2
4
9
24
4
0.102
0.129
0.171
3
3
43
129
30
0
0.005
0.018
0.043
4
Wollombi Brook
Wollombi_
Brook
Upstream
0.04
0.05
0.05
2
0
0.001
0.001
0.001
9
0
0.02
0.05
0.06
8
0
0.055
0.098
0.251
8
0
12
14
15
3
0
109
109
109
1
0
180
191
201
2
0
368
437
764
600
1,060
923
138
18
746
830
886
3
0
0.05
0.06
1.12
5
0
4
5
6
3
0
0.002
0.004
0.005
2
0
16
18
19
3
0
0.227
0.428
2.030
8
0
102
104
110
3
0
0.02
0.02
0.02
2
0
7.0
7.2
7.4
7.6
8.0
8.0
137
18
8.0
8.0
8.0
1
0
0.003
0.003
0.004
2
0
0.00
0.00
0.01
8
0
5.95
7.04
8.13
2
0
2
5
13
9
0
0.207
0.231
0.254
2
0
2
5
6
5
18
9
135
14
0
0
0.004
0.005
0.005
9
0
Wollombi_
Brook
6.60
6.60
6.60
1
0.002
0.002
0.004
3
0.03
0.04
0.04
3
0.069
0.082
0.112
3
13
15
17
2
0
0
162
270
442
32
0
0.59
1.71
2.82
2
7
7
8
2
0.005
0.005
0.005
1
11
13
15
2
0.025
0.052
0.098
3
21
28
35
2
0.15
0.16
0.16
2
7.1
7.7
8.1
32
0
0.018
0.018
0.018
1
0.00
0.00
0.00
3
5.50
5.50
5.50
1
20
29
34
3
0.190
0.190
0.190
1
19
45
94
32
0
0.017
0.025
0.173
3
Saltpan Creek
SP1
0
0
0
0
0
0
0
6,786
16,810
24,880
15
0
0
0
0
0
0
0
0
7.5
8.1
8.6
15
0
0
0
0
0
0
5
10
20
13
0
0
0605-09-D7
2 June 2014
Saline Storage
Water Quality
Parameter
10%ile
Median
Al - Total (mg/l)
90%ile
N
10%ile
Median
As - Total (mg/l)
90%ile
N
10%ile
Median
B (mg/l)
90%ile
N
10%ile
Median
Ba (mg/l)
90%ile
N
10%ile
Median
Ca - Total (mg/l)
90%ile
N
10%ile
Median
CaCO3 - Total Hard (mg/l)
90%ile
N
10%ile
Median
Cl- (mg/l)
90%ile
N
10%ile
Median
EC Field (uS/cm (25TRef))
90%ile
N
10%ile
Median
EC Lab (uS/cm (25TRef))
90%ile
N
10%ile
Median
Fe - Filtered (mg/L)
90%ile
N
10%ile
Median
K - Total (mg/l)
90%ile
N
10%ile
Median
Li (mg/l)
90%ile
N
10%ile
Median
Mg - Total (mg/l)
90%ile
N
10%ile
Median
Mn - Total (mg/l)
90%ile
N
10%ile
Median
Na - Total (mg/l)
90%ile
N
10%ile
Median
P - Total (mg/l)
90%ile
N
10%ile
Median
pH Field
90%ile
N
10%ile
Median
pH Lab
90%ile
N
10%ile
Median
Rb - Total (mg/l)
90%ile
N
10%ile
Median
Se (mg/l)
90%ile
N
10%ile
Median
Si (mg/l)
90%ile
N
10%ile
Median
SO4 - Total (mg/l)
90%ile
N
10%ile
Median
Sr - Total (mg/l)
90%ile
N
10%ile
Median
TSS (mg/L)
90%ile
N
10%ile
Median
Turbidity (NTU)
90%ile
N
10%ile
Median
Zn - Total (mg/l)
90%ile
N
N = Number of samples
Note: The value of analytes analysed in a
Dam 1N
0.09
0.16
10.06
5
0.001
0.013
0.017
10
0.06
0.08
0.11
10
0.015
0.033
0.114
9
15
40
50
18
502
590
848
13
0
3,790
7,260
8,725
110
737
6,440
8,875
120
0.02
0.05
0.09
4
23
36
44
5
0.131
0.275
0.358
5
25
36
67
6
0.004
0.008
0.046
9
1,306
1,800
1,900
5
0.01
0.02
0.48
6
8.4
8.7
8.9
109
7.7
8.7
9.0
123
0.043
0.061
0.063
5
0.00
0.01
0.01
10
5.62
6.25
7.65
4
444
1,011
1,304
10
0.316
0.640
0.833
5
5
17
114
118
4.9
17.4
135.0
46
0.005
0.005
0.036
10
Dam 11N
0.91
14.90
25.86
8
0.001
0.004
0.007
8
0.04
0.05
0.07
8
0.077
0.129
0.270
7
3
5
11
6
17
56
95
2
107
377
587
3
156
220
2,591
18
193
255
1,787
4
0.61
0.79
3.25
3
3
8
30
7
0.008
0.016
0.076
8
3
5
56
7
0.005
0.059
0.106
6
26
37
770
7
0.03
0.17
0.72
8
7.8
8.1
9.0
17
7.0
7.1
8.1
3
0.020
0.036
0.063
7
0.01
0.01
0.01
7
0.28
20.90
37.30
5
12
34
224
6
0.096
0.145
0.529
8
22
54
150
19
13.1
62.0
1292.4
3
0.005
0.044
0.089
8
Dam 25N
19.60
26.00
36.72
3
0.002
0.004
0.009
3
0.05
0.06
0.08
3
0.127
0.197
0.200
3
4
5
8
3
88
88
88
1
81
159
342
3
297
478
1,417
6
0
0
2
4
7
3
0.009
0.015
0.023
3
6
7
14
3
0.050
0.088
0.158
3
115
203
386
3
0.26
0.26
0.59
3
7.8
8.4
8.7
6
0
0.027
0.042
0.065
3
0.01
0.01
0.01
3
0
53
131
202
3
0.212
0.258
0.336
3
124
513
1350
6
0
0.026
0.054
0.096
3
Dam 6S
0.09
0.47
1.33
9
0.021
0.026
0.030
10
0.07
0.08
0.09
9
0.098
0.104
0.117
7
11
13
16
9
199
199
199
1
856
928
1,060
9
5,122
6,140
7,392
24
0
0
23
25
28
9
0.169
0.177
0.204
9
26
32
39
9
0.003
0.006
0.214
9
1,340
1,450
1,594
9
0.01
0.02
0.05
7
8.7
9.0
9.1
24
0
0.035
0.041
0.042
9
0.01
0.01
0.02
9
3.38
6.85
13.81
4
784
869
924
10
0.934
1.180
1.460
9
9
41
136
24
0
0.005
0.005
0.006
10
Dam 9S
0.26
0.38
0.71
9
0.002
0.007
0.025
13
0.08
0.10
0.12
13
0.027
0.051
0.085
12
7
13
17
8
200
200
200
1
856
946
964
3
4,956
7,460
8,729
112
7,857
7,950
8,008
4
0.01
0.01
0.01
1
27
30
34
8
0.197
0.212
0.294
9
13
19
25
9
0.005
0.011
0.030
12
1,720
1,860
2,197
8
0.01
0.02
0.03
9
8.4
8.8
9.0
111
8.7
8.7
8.7
1
0.048
0.055
0.060
9
0.00
0.01
0.01
13
5.30
6.40
9.24
5
730
939
1,290
11
0.382
0.648
0.882
9
8
18
88
110
7.9
22.0
47.4
47
0.005
0.005
0.021
13
Sediment Dam / Clean Water Storage
Dam 12S
0.51
18.00
62.04
5
0.003
0.005
0.015
8
0.02
0.05
0.05
7
0.118
0.225
0.358
8
2
3
16
5
5
5
5
1
585
585
585
1
190
460
2,212
99
177
383
589
2
0.73
0.79
2.96
3
9
20
34
5
0.008
0.017
0.134
5
2
10
58
5
0.038
0.120
0.199
7
29
51
526
5
0.05
0.20
0.51
4
7.4
8.1
8.7
98
7.1
7.7
7.9
3
0.008
0.053
0.127
5
0.00
0.00
0.01
7
4.62
4.70
46.22
3
43
67
435
5
0.110
0.160
0.721
4
21
91
1042
99
780.8
2080.0
3064.0
3
0.008
0.028
7.458
8
Dam 15S
0.21
0.37
1.15
7
0.002
0.011
0.026
15
0.01
0.07
0.09
13
0.025
0.057
0.099
14
10
12
16
9
53
115
177
2
863
913
963
2
2,465
4,895
7,860
106
7,950
7,950
7,950
1
0.02
0.05
0.25
3
18
29
35
9
0.074
0.169
0.273
6
9
21
44
9
0.005
0.009
0.018
13
992
1,580
2,032
9
0.03
0.07
0.09
5
8.6
8.9
9.1
105
9.0
9.0
9.0
1
0.015
0.036
0.050
6
0.00
0.01
0.03
13
1.97
5.10
6.70
6
279
789
923
12
0.170
0.370
1.348
7
15
36
163
105
140.0
140.0
140.0
1
0.005
0.013
0.027
15
Appendix A
Dam 2S
0
0
0
0
0
0
0
1,372
2,190
5,670
17
0
0
0
0
0
0
0
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8.4
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9.2
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0
0
0
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0
0
Dam 6N
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0.28
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1
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0.002
0.002
1
0.10
0.10
0.10
1
0.247
0.247
0.247
1
4
4
4
1
0
1,280
1,280
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8,385
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0
0
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36
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1
0.418
0.418
0.418
1
15
15
15
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0.002
0.002
0.002
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2,220
2,220
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0.05
0.05
0.05
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9.8
9.8
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0.002
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0.01
0.01
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1
1
1
0.644
0.644
0.644
1
5
7
8
2
0
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0.005
0.005
1
Dam 27N
0
0
0
0
0
0
0
278
351
594
10
0
0
0
0
0
0
0
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7.6
7.9
9.1
10
0
0
0
0
0
0
22
46
50
5
0
0
Dam 30N
0.09
0.09
0.09
1
0.001
0.002
0.002
2
0.05
0.05
0.05
1
0.070
0.070
0.070
1
9
11
13
2
142
142
142
1
65
91
117
2
484
581
899
8
0
0
9
10
11
2
0.012
0.012
0.012
1
14
20
25
2
0.018
0.018
0.018
1
82
114
145
2
0.06
0.06
0.06
1
7.9
8.3
8.9
8
0
0.005
0.005
0.005
1
0.01
0.01
0.01
1
0
33
53
73
2
0.528
0.528
0.528
1
5
9
25
7
0
0.005
0.005
0.005
2
Dam 1S
0.18
0.48
5.85
7
0.005
0.008
0.010
12
0.03
0.05
0.05
11
0.013
0.049
0.133
11
8
20
39
8
169
506
842
2
316
942
1,708
3
595
1,230
7,010
106
2,445
2,785
3,125
2
0.03
0.09
0.13
4
10
14
40
8
0.004
0.007
0.021
6
0
17
131
8
0.015
0.047
10.137
10
70
346
1,413
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0.30
0.66
0.94
5
8.0
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0.027
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0.00
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0.01
11
1.46
2.05
3.97
4
32
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0.223
0.280
1.928
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7
36
251
104
0
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0.029
12
Dam 3S
2.71
3.89
4.83
4
0.002
0.005
0.009
4
0.05
0.05
0.06
4
0.043
0.068
0.091
4
4
4
5
4
47
47
47
1
262
401
651
4
2,066
3,560
5,285
18
0
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0.10
0.11
2
8
11
17
4
0.016
0.022
0.038
4
5
8
9
4
0.014
0.027
0.036
4
361
530
923
4
0.05
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0.12
4
8.9
9.2
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0
0.014
0.018
0.019
4
0.01
0.01
0.02
4
17.80
17.80
17.80
1
242
346
586
4
0.177
0.248
0.349
4
12
36
80
18
0
0.009
0.020
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4
,-./.01
4
APPENDIX B
MTW CATCHMENT AND LAND USE CLASSIFICATION
TABLES
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www.emgamm.com
www.emgamm.com
SYDNEY
Ground Floor, Suite 1, 20 Chandos Street
St Leonards NSW 2065
T 02 9493 9500 F 02 9493 9599
NEWCASTLE
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BRISBANE
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T 07 3839 1800 F 07 3839 1866

Appendix J - Rio Tinto

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