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Draft Environmental Impact Statement

XXXV

Table of Contents 1. Introduction ............................................................................................................................................................ 1-1

1.1. Project ............................................................................................................................................................... 1-1

Variation to Project ................................................................................................................................... 1-2

1.2. Proposal Overview ............................................................................................................................................ 1-2

Summary of Project Objectives ................................................................................................................ 1-7

1.3. Mining and Rehabilitation History ..................................................................................................................... 1-7

Mining ....................................................................................................................................................... 1-7

Rehabilitation .......................................................................................................................................... 1-10

1.4. Traditional Owners .......................................................................................................................................... 1-11

Sacred Sites ............................................................................................................................................ 1-12

Aboriginal Places and Objects ................................................................................................................ 1-12

Historical Places and Objects ................................................................................................................. 1-12

1.5. Existing Facilities ............................................................................................................................................ 1-12

1.6. EIS Scope and Approach ............................................................................................................................... 1-13

1.7. Key Issues Raised by the NT EPA and DoEE ................................................................................................ 1-13

Study Team ............................................................................................................................................. 1-13

1.8. Structure of the EIS ........................................................................................................................................ 1-15

1.9. About the Proponent ....................................................................................................................................... 1-16

Environmental History ............................................................................................................................. 1-16

1.10. Proposal Background and Current Status .................................................................................................... 1-16

1.11. Mine Rehabilitation and Mine Closure in the Northern Territory .................................................................. 1-17

1.12. Project Benefits and Justification .................................................................................................................. 1-17

Improvement in Environmental Conditions ........................................................................................... 1-17

Potential Resolution of the Land Claim ................................................................................................ 1-17

Kungarakan and Warai – Improved Stewardship and Increased Capacity .......................................... 1-17

Increased Capacity of Local Workforce ................................................................................................ 1-18

Local and Regional Economic Impact .................................................................................................. 1-18

Rum Jungle as a Transformational Project .......................................................................................... 1-18

1.13. References.................................................................................................................................................... 1-18

1.14. References included in Appendix ................................................................................................................. 1-19

2. Proposal Description ............................................................................................................................................. 2-1

2.1. Project Overview ............................................................................................................................................... 2-1

2.2. Project Implementation Strategy....................................................................................................................... 2-3

2.3. A Contaminated Sites Approach....................................................................................................................... 2-4

2.4. Stage 3 Project Stages ..................................................................................................................................... 2-4

Project Establishment ............................................................................................................................... 2-5

Earthworks – New WSF Foundation Preparation ..................................................................................... 2-5

Earthworks – Relocation of Waste Rock and Contaminated Soils (including WSF Construction) ........... 2-6

Earthworks – Cover Systems ................................................................................................................... 2-6

Water Treatment – Surface Waters .......................................................................................................... 2-7

Water Treatment – Groundwater .............................................................................................................. 2-7

Construction – Cultural Centre ................................................................................................................. 2-7


XXXVI

Construction – Decommissioning and Demobilisation ............................................................................. 2-8

Construction – Land Management, Revegetation and Monitoring ........................................................... 2-8

Stabilisation and Monitoring .................................................................................................................... 2-8

2.5. Stage 3 Schedule Inputs and Outputs ............................................................................................................ 2-13

Material Movement ................................................................................................................................. 2-13

Workforce ................................................................................................................................................ 2-15

Accommodation ...................................................................................................................................... 2-16

Transport and Logistics Network ............................................................................................................ 2-17

Construction Fleet ................................................................................................................................... 2-17

Estimated Areas of Disturbance ............................................................................................................. 2-18

Water Management ................................................................................................................................ 2-19

2.6. Ancillary Infrastructure .................................................................................................................................... 2-20

Electricity Supply..................................................................................................................................... 2-20

Waste Management ................................................................................................................................ 2-20

Communications ..................................................................................................................................... 2-21

Maintenance Workshop, Chemical and Hydrocarbon Storage/Transport .............................................. 2-21

Emergency Management ........................................................................................................................ 2-22

2.7. References ...................................................................................................................................................... 2-23

2.8. References included in Appendix ................................................................................................................... 2-23

3. Compliance and Risk ............................................................................................................................................ 3-1

3.1. Legislative Framework ...................................................................................................................................... 3-1

Approvals and Agreements ...................................................................................................................... 3-1

3.2. Applicable Standards ........................................................................................................................................ 3-3

3.3. Applicable Guidelines ....................................................................................................................................... 3-4

3.4. Project Risk Assessment .................................................................................................................................. 3-4

Risk Identification ...................................................................................................................................... 3-6

Risk Definition ........................................................................................................................................... 3-6

Timeframe Definition ................................................................................................................................. 3-7

Likelihood Definition .................................................................................................................................. 3-7

Consequence Definition ............................................................................................................................ 3-7

Profile ........................................................................................................................................................ 3-9

3.5. References ........................................................................................................................................................ 3-9

3.6. References included in Appendix ..................................................................................................................... 3-9

4. Stakeholder Engagement and Consultation ....................................................................................................... 4-1

4.1. Introduction ....................................................................................................................................................... 4-1

Stakeholder Engagement Objectives ....................................................................................................... 4-1

Stakeholder Engagement Levels .............................................................................................................. 4-1

Stakeholder Analysis Matrix ..................................................................................................................... 4-1

Stakeholder Engagement Strategy ........................................................................................................... 4-2

4.2. Engagement Summary ..................................................................................................................................... 4-2

4.3. Key Themes ...................................................................................................................................................... 4-2

Environmental Themes ............................................................................................................................. 4-2

Cultural Themes........................................................................................................................................ 4-2

Economic Themes .................................................................................................................................... 4-3


XXXVII

Key Project Themes ................................................................................................................................. 4-3

4.4. Addressing Further Issues ................................................................................................................................ 4-3

4.5. Future Stakeholder Engagement ...................................................................................................................... 4-3

4.6. References ........................................................................................................................................................ 4-9


5. Regional Setting..................................................................................................................................................... 5-1

5.1. Land Tenure and Land Use .............................................................................................................................. 5-1

5.2. Social Setting .................................................................................................................................................... 5-5

5.3. Existing Services and Infrastructure ................................................................................................................. 5-5

5.4. Economic Setting .............................................................................................................................................. 5-7

5.5. Physical Environment ....................................................................................................................................... 5-7

Climate ...................................................................................................................................................... 5-7

Extreme Climate Events ........................................................................................................................... 5-9

Climate Change ........................................................................................................................................ 5-9

Geology ..................................................................................................................................................... 5-9

Soil Types and Land Units ...................................................................................................................... 5-11

Water ...................................................................................................................................................... 5-11

5.6. Biological Environment ................................................................................................................................... 5-16

Bioregions ............................................................................................................................................... 5-16

National Parks and Protected Areas ...................................................................................................... 5-16

Flora and Fauna...................................................................................................................................... 5-17

Fire .......................................................................................................................................................... 5-22

5.7. Regional Projects ............................................................................................................................................ 5-23

5.8. Cumulative Impacts ........................................................................................................................................ 5-23

Cumulative Impacts in the Aquatic Landscape ....................................................................................... 5-23

Cumulative Impacts in the Terrestrial Landscape .................................................................................. 5-24

Cumulative Impacts on Future Projects .................................................................................................. 5-24

Summary of Cumulative Impacts ............................................................................................................ 5-24

5.9. References ...................................................................................................................................................... 5-24


6. Existing Environmental Condition ....................................................................................................................... 6-1

6.1. Overview ........................................................................................................................................................... 6-1

Site Description ......................................................................................................................................... 6-2

East Branch Finniss River Diversion ........................................................................................................ 6-4

6.2. Compromised Environmental Values ............................................................................................................... 6-5

Background ............................................................................................................................................... 6-5

6.3. Summary Conceptual Site Model ..................................................................................................................... 6-6

Waste Rock ............................................................................................................................................... 6-6

Historic Tailings......................................................................................................................................... 6-8

AMD-Impacted Groundwater .................................................................................................................... 6-9

Contaminated Soils ................................................................................................................................. 6-10

Summary of Conceptual Site Model ....................................................................................................... 6-22

6.4. References ...................................................................................................................................................... 6-24



XXXVIII

7. Rehabilitation Strategy .......................................................................................................................................... 7-1

7.1. Overview ........................................................................................................................................................... 7-1

7.2. Future Land Use ............................................................................................................................................... 7-2

7.3. Remediation Action Plan .................................................................................................................................. 7-4

7.4. Waste Rock Management ................................................................................................................................ 7-5

Existing WRD Deconstruction Plan .......................................................................................................... 7-6

WRD Footprint Cover System .................................................................................................................. 7-6

7.5. Contaminated Soils ........................................................................................................................................... 7-6

Copper Contaminated Soils ...................................................................................................................... 7-6

Dyson’s Pit Backfill Cover System ............................................................................................................ 7-7

Radiological Soils...................................................................................................................................... 7-7

Salt Affected Soils ..................................................................................................................................... 7-8

Asbestos Containing Materials (ACMs) .................................................................................................... 7-8

7.6. Scheduling ........................................................................................................................................................ 7-8

7.7. Main Pit Backfilling ............................................................................................................................................ 7-9

Restoring EBFR Flow ............................................................................................................................. 7-11

7.8. New WSF Construction .................................................................................................................................. 7-12

Foundation Preparation .......................................................................................................................... 7-12

Waste Placement .................................................................................................................................... 7-12

Cover System ......................................................................................................................................... 7-15

Drainage Systems .................................................................................................................................. 7-19

WSF Seepage Management .................................................................................................................. 7-19

7.9. Borrow and Other Materials ............................................................................................................................ 7-19

7.10. Water Management ...................................................................................................................................... 7-23

Water Treatment ................................................................................................................................... 7-23

Surface Water Management ................................................................................................................. 7-23

7.11. Ecological Rehabilitation Strategy ................................................................................................................ 7-24

Objectives ............................................................................................................................................. 7-24

Domain-based Strategy ........................................................................................................................ 7-25

Data Collection...................................................................................................................................... 7-29

Fauna .................................................................................................................................................... 7-35

Resource Reuse and Salvaging ........................................................................................................... 7-35

Domain-based Methodology ................................................................................................................. 7-35

7.12. Rehabilitation Strategy Success ................................................................................................................... 7-37

Rehabilitation Success Metrics ............................................................................................................. 7-37

7.13. Additional Data Sources and Examples ....................................................................................................... 7-39

7.14. References.................................................................................................................................................... 7-41


8. Historic and Cultural Heritage .............................................................................................................................. 8-1

8.1. Cultural Heritage Values ................................................................................................................................... 8-1

8.1.1 Sacred Sites .......................................................................................................................................... 8-1

8.1.2 Aboriginal Places and Objects .............................................................................................................. 8-1

8.1.3 Historical Places and Objects ............................................................................................................... 8-2

8.1.4 Culturally Significant Species ................................................................................................................ 8-2


XXXIX

8.2. Potential Impacts and Risks ............................................................................................................................. 8-3

Disturbance of Registered Sacred Sites ................................................................................................... 8-3

Proliferation of Weeds, impacting Heritage Value .................................................................................... 8-3

Disturbance of Known Heritage Places / Objects ..................................................................................... 8-4

Disturbance of Unidentified Heritage Places / Objects ............................................................................. 8-4

Disturbance of Culturally Significant Species ........................................................................................... 8-4

Uncontrolled Fire Onsite ........................................................................................................................... 8-4

Incursion by External Uncontrolled Fire .................................................................................................... 8-4

Low Risks .................................................................................................................................................. 8-4

8.3. Mitigation and Management ............................................................................................................................. 8-5

Disturbance of Registered Sacred Sites ................................................................................................... 8-5

Proliferation of Weeds impacting Heritage Value ..................................................................................... 8-5

Disturbance of Known Heritage Places / Objects ..................................................................................... 8-5

Disturbance of Unidentified Heritage Places / Objects ............................................................................. 8-6

Disturbance of Culturally Significant Species ........................................................................................... 8-6

Uncontrolled Fire Onsite ........................................................................................................................... 8-6

Incursion by External Uncontrolled Fire .................................................................................................... 8-6

8.4. Monitoring and Reporting ................................................................................................................................. 8-6

8.5. Statement of Residual Impact ........................................................................................................................... 8-6

8.6. References ........................................................................................................................................................ 8-7


9. Terrestrial Environmental Quality ........................................................................................................................ 9-1

9.1. Terrestrial Environmental Values...................................................................................................................... 9-1

Regional and Significant Topography ....................................................................................................... 9-1

Geology ..................................................................................................................................................... 9-2

Soil Types and Land Units ........................................................................................................................ 9-3

Existing WRD Condition ........................................................................................................................... 9-6

9.2. Potential Impacts and Risks ............................................................................................................................. 9-6

Erosion and Movement of Sediment......................................................................................................... 9-6

Long-term Stability of Landforms and Revegetation Success .................................................................. 9-7

Introduced Contamination Risks ............................................................................................................... 9-7

9.1.1 Residual Contamination Risks .............................................................................................................. 9-8

9.3. Mitigation and Management ............................................................................................................................. 9-8

Erosion and Movement of Sediment......................................................................................................... 9-8

Long-term Stability of Landforms and Revegetation Success .................................................................. 9-9

Introduced Contamination Risks ............................................................................................................... 9-9

Residual Contamination Risks ................................................................................................................ 9-10

9.4. Monitoring and Reporting ............................................................................................................................... 9-10

Erosion and Sedimentation Processes ................................................................................................... 9-11

Long-term Stability and Revegetation Success ...................................................................................... 9-11

Introduced and Residual Contaminated Sites ........................................................................................ 9-11

9.5. Statement of Residual Impact ......................................................................................................................... 9-11

9.6. Reference ....................................................................................................................................................... 9-11



XL

10. Inland Water Environmental Quality ................................................................................................................ 10-1

10.1. Introduction ................................................................................................................................................... 10-2

Chapter Organisation ............................................................................................................................ 10-2

Chapter Objectives ............................................................................................................................... 10-2

Preferred Rehabilitation Strategy.......................................................................................................... 10-3

Supporting Documents ......................................................................................................................... 10-4

10.2. Environmental Values and Water Quality Objectives ................................................................................... 10-4

Environmental Values ........................................................................................................................... 10-4

Locally-Derived Water Quality Objectives (LDWQOs) ......................................................................... 10-4

Construction Phase Water Quality Objectives ...................................................................................... 10-5

10.3. Routine Water Monitoring ............................................................................................................................. 10-6

Streamflow Gauging Stations ............................................................................................................... 10-6

Surface Water Quality Monitoring ......................................................................................................... 10-7

Groundwater Monitoring Network ......................................................................................................... 10-7

Groundwater Level Monitoring .............................................................................................................. 10-8

Groundwater Quality Monitoring ........................................................................................................... 10-8

Pit Water Monitoring ........................................................................................................................... 10-10

10.4. Existing Water Quality Impacts ................................................................................................................... 10-10

Groundwater Quality Impacts ............................................................................................................. 10-10

Pit Water Quality Impacts ................................................................................................................... 10-19

EBFR Water Quality Impacts .............................................................................................................. 10-22

10.5. Simulated Current Conditions ..................................................................................................................... 10-36

Simulated Groundwater Conditions .................................................................................................... 10-36

Simulated Current Conditions (Surface Water) .................................................................................. 10-43

10.6. Predicted Water Quality Improvements for Rehabilitation .......................................................................... 10-52

Predictive Groundwater Modelling ...................................................................................................... 10-52

Predictive Surface Water Quality Modelling ....................................................................................... 10-69

10.7. Potential Impacts and Risks ....................................................................................................................... 10-72

Construction Phase ............................................................................................................................ 10-72

Post-Rehabilitation Phase .................................................................................................................. 10-73

10.8. References.................................................................................................................................................. 10-75

10.9. References included in Appendix ............................................................................................................... 10-76

11. Hydrological Processes .................................................................................................................................... 11-1

11.1. Environmental Values ................................................................................................................................... 11-1

Overview ............................................................................................................................................... 11-1

Current Surface Water Flows ............................................................................................................... 11-4

Beneficial Uses ..................................................................................................................................... 11-5

11.2. Potential Impacts and Risks ......................................................................................................................... 11-5

Impacts due to Altered Flow Regimes .................................................................................................. 11-6

Impacts due to Groundwater Drawdown ............................................................................................ 11-10

11.3. Mitigation and Management ....................................................................................................................... 11-10

Altered Surface Flow Regimes ........................................................................................................... 11-10

Groundwater Drawdown ..................................................................................................................... 11-12

11.4. Monitoring and Reporting ........................................................................................................................... 11-13


XLI

Objectives ........................................................................................................................................... 11-13

Monitoring Plan ................................................................................................................................... 11-14

11.5. Statement of Residual Impact..................................................................................................................... 11-14

11.6. References.................................................................................................................................................. 11-15


12. Aquatic Ecosystems .......................................................................................................................................... 12-1


Overview ............................................................................................................................................... 12-1

Riparian Vegetation and Aquatic Macrophytes .................................................................................... 12-4

Aquatic Fauna ....................................................................................................................................... 12-9

Threatened Species ............................................................................................................................ 12-12


Impacts due to Water Contamination ................................................................................................. 12-16

Impacts due to Sedimentation ............................................................................................................ 12-16

Impacts due to Altered Flow Regimes ................................................................................................ 12-16

Impacts to Aquatic Fauna Passage .................................................................................................... 12-16

Impacts due to Weeds ........................................................................................................................ 12-16


Sedimentation Management ............................................................................................................... 12-17

Management of Aquatic Fauna Passage ........................................................................................... 12-17

Weed Management ............................................................................................................................ 12-17


Riparian Vegetation and Aquatic Macrophytes .................................................................................. 12-18

Aquatic Fauna ..................................................................................................................................... 12-20


12.6. References.................................................................................................................................................. 12-20


13. Social and Economic Impact ............................................................................................................................ 13-1

13.1. Socio-Economic Environment....................................................................................................................... 13-1

Policy Context ....................................................................................................................................... 13-1

People and Community ........................................................................................................................ 13-3

Employment and Economies ................................................................................................................ 13-5

Services and Infrastructure ................................................................................................................... 13-7

Natural Resources and the Environment .............................................................................................. 13-7


People and Community ........................................................................................................................ 13-8

Employment and Economies ................................................................................................................ 13-9

Services and Infrastructure ................................................................................................................... 13-9

Natural Resources and the Environment ............................................................................................ 13-10


People and Community ...................................................................................................................... 13-11

Employment and Economies .............................................................................................................. 13-11

Services and Infrastructure ................................................................................................................. 13-11

Natural Resources and the Environment ............................................................................................ 13-12


XLII


13.5. References.................................................................................................................................................. 13-12


14. Terrestrial Flora and Fauna .............................................................................................................................. 14-1


Information Sources .............................................................................................................................. 14-2

Context .................................................................................................................................................. 14-2

Fire ........................................................................................................................................................ 14-2

Vegetation ............................................................................................................................................. 14-6

Weeds ................................................................................................................................................. 14-18

Significant Vegetation ......................................................................................................................... 14-24

Groundwater-Dependent Ecosystems (GDEs) ................................................................................... 14-29

General Fauna .................................................................................................................................... 14-29

Pest Animals ....................................................................................................................................... 14-29

14.2. Threatened Species .................................................................................................................................... 14-30

Likelihood of Occurrence .................................................................................................................... 14-34

Assessment of Significance ................................................................................................................ 14-35

Summary ............................................................................................................................................. 14-41


Impacts due to Land Clearing ............................................................................................................. 14-42

Impacts due to Weeds ........................................................................................................................ 14-43

Impacts due to Dust ............................................................................................................................ 14-43

Impacts due to Bushfire ...................................................................................................................... 14-44

Impacts due to Groundwater Extraction ............................................................................................. 14-44

Threatened Species ............................................................................................................................ 14-44


Vegetation Clearing ............................................................................................................................ 14-46

Weed Management ............................................................................................................................ 14-49


Vegetation Clearing ............................................................................................................................ 14-53

Weeds ................................................................................................................................................. 14-53


14.7. References.................................................................................................................................................. 14-54


15. Human Health and Safety ................................................................................................................................. 15-1

15.1. Introduction ................................................................................................................................................... 15-1

15.2. Stage 3 Delivery Health and Safety Framework........................................................................................... 15-1

Applicable Legislation ........................................................................................................................... 15-1

Management Framework ...................................................................................................................... 15-1

Hierarchy of Control .............................................................................................................................. 15-2

Incident Management ........................................................................................................................... 15-2

Emergency Management ...................................................................................................................... 15-3

Reporting and Audits ............................................................................................................................ 15-3

Interface with the Detailed Engineering Design .................................................................................... 15-3


XLIII


Flooding and Drowning ......................................................................................................................... 15-5

Respirable Dust and Gases .................................................................................................................. 15-5

Fire ........................................................................................................................................................ 15-5

Climatic Extremes ................................................................................................................................. 15-5

General Hazards ................................................................................................................................... 15-5

Hazardous Fauna ................................................................................................................................. 15-5

Unauthorised Site Access ..................................................................................................................... 15-6

15.4. Mitigation and Management ......................................................................................................................... 15-6

Flooding and Drowning ......................................................................................................................... 15-6

Respirable Dust and Gases .................................................................................................................. 15-6

Fire ........................................................................................................................................................ 15-7

Climatic Extremes ................................................................................................................................. 15-7

General Hazards ................................................................................................................................... 15-7

Hazardous Fauna ................................................................................................................................. 15-7

Unauthorised Site Access ..................................................................................................................... 15-7

15.5. Statement of Residual Impact....................................................................................................................... 15-8

15.6. References.................................................................................................................................................... 15-8


16. Radiation ............................................................................................................................................................. 16-1

16.1. Context .......................................................................................................................................................... 16-1

Exposure Scenario ............................................................................................................................... 16-1

Units ...................................................................................................................................................... 16-1

Information Sources .............................................................................................................................. 16-2

Hazard Assessment .............................................................................................................................. 16-3

Health Impacts from Radiation ............................................................................................................. 16-7


During Works ........................................................................................................................................ 16-8

Post-works ............................................................................................................................................ 16-9

16.3. Proposed Mitigation and Management ....................................................................................................... 16-10

Pre-works ............................................................................................................................................ 16-10

During Works ...................................................................................................................................... 16-10

Post-works .......................................................................................................................................... 16-12



16.6. References.................................................................................................................................................. 16-13


17. EPBC Matters ..................................................................................................................................................... 17-1

17.1. Introduction ................................................................................................................................................... 17-1

17.2. EPBC Act Referral ........................................................................................................................................ 17-1

17.3. Protected Matters Search ............................................................................................................................. 17-2

17.4. Relevant Matters of National Environmental Significance (MNES) .............................................................. 17-4

MNES Residual Impacts ....................................................................................................................... 17-4

Environmental Offsets .......................................................................................................................... 17-5


XLIV

17.5. Ecologically Sustainable Development (ESD) .............................................................................................. 17-6

Legislative Context ............................................................................................................................... 17-6

Principles of Ecologically Sustainable Development ............................................................................ 17-7

Application ............................................................................................................................................ 17-7

Commitment to Ecologically Sustainable Development ....................................................................... 17-9

17.6. References.................................................................................................................................................... 17-9

18. Project Alternatives ........................................................................................................................................... 18-1

18.1. Introduction ................................................................................................................................................... 18-1

18.2. Alternative Rehabilitation Scenarios ............................................................................................................. 18-1

No Rehabilitation Works ....................................................................................................................... 18-2

Re-cover Existing WRDs ...................................................................................................................... 18-2

Backfill Pits and consolidate to an Existing WRD ................................................................................. 18-2

Backfill Main Pit only and recover Remaining WRDs ........................................................................... 18-2

Backfill Pits and develop a New WRD .................................................................................................. 18-2

Groundwater Recovery and Treatment Only ........................................................................................ 18-3

18.3. Alternatives within the Rehabilitation Strategy ............................................................................................. 18-3

Tailings Storage Methodology .............................................................................................................. 18-3

Main Pit Rehabilitated Landform........................................................................................................... 18-3

WSF Location ....................................................................................................................................... 18-4

Borrow Pit Locations ............................................................................................................................. 18-7

18.4. Other Alternatives ......................................................................................................................................... 18-8

Water Management .............................................................................................................................. 18-8

AMD Technologies ............................................................................................................................... 18-8

WSF Cover Design ............................................................................................................................... 18-8

Main Pit Backfilling Methodology .......................................................................................................... 18-9

Browns Oxide Mine Facilities ................................................................................................................ 18-9

18.5. Conclusion .................................................................................................................................................... 18-9

18.6. References.................................................................................................................................................... 18-9

19. Summary of Commitments ............................................................................................................................. 19-11

19.1. Commitments .............................................................................................................................................. 19-11

20. Terms of Reference Cross Reference Checklist ............................................................................................ 20-1

21. Appendix ............................................................................................................................................................. 21-1


XLV

Table of Figures Figure 1-1: Project location and regional setting ........................................................................................................ 1-3 Figure 1-2: Project overview ....................................................................................................................................... 1-4 Figure 1-3: Existing site conditions at the former Rum Jungle Mine site .................................................................... 1-5 Figure 1-4: Site layout at the former Rum Jungle Mine site prior to rehabilitation (Allen and Verhoeven, 1986) .... 1-10 Figure 2-1: Overall site layout across project area ..................................................................................................... 2-2

Figure 2-2: Stage 3 delivery model ............................................................................................................................. 2-3 Figure 2-3: Rum Jungle Rehabilitation Project schedule............................................................................................ 2-5 Figure 2-4: Indicative haul road layout ....................................................................................................................... 2-9 Figure 2-5: Areas of excavation under WSF ............................................................................................................ 2-10 Figure 2-6: Areas and volumes of contaminated soils for excavation ...................................................................... 2-11 Figure 2-7: Final site conditions ................................................................................................................................ 2-12 Figure 2-8: Waste material movement schedule ...................................................................................................... 2-14 Figure 2-9: Estimated Lime Mass for Waste Rock Amendment (Robertson GeoConsultants and Jones, 2019) .... 2-15 Figure 2-10: Employment numbers and roles .......................................................................................................... 2-16 Figure 2-11: Estimated equipment and types ........................................................................................................... 2-17 Figure 2-12: Waste hierarchy (adapted from NT EPA, 2015) .................................................................................. 2-20 Figure 2-13: Total CO2-e per Year of the Project ...................................................................................................... 2-22 Figure 3-1: Initial Risk Ratings Profile......................................................................................................................... 3-9

Figure 3-2: Residual Risk Ratings Profile ................................................................................................................... 3-9 Figure 5-1: Project regional setting ............................................................................................................................. 5-2

Figure 5-2: Project overview ....................................................................................................................................... 5-3 Figure 5-3: Plan of future dam site options for the Darwin region (adapted from PWC, 2013) .................................. 5-4 Figure 5-4: Monthly rainfall/evaporation for Batchelor Airport (2010-2019) ............................................................... 5-9 Figure 5-5: Geological setting of the Pine Creek Orogen: inset is location within NT (Ahmad and Hollis, 2013) .... 5-10 Figure 5-6: Geology of the Rum Jungle Mineral Field showing U and other mineral occurrences (Ahmad and Hollis,

2013) ......................................................................................................................................................................... 5-11 Figure 5-7: Surface water features ........................................................................................................................... 5-12 Figure 5-8: Finniss River zones as developed by Hydrobiology (2019) ................................................................... 5-13 Figure 5-9: Dissolved copper concentrations by site, zone and months, Jan - Dec 2012 - 2014 (Note Y axis differences)

(Hydrobiology, 2016) ................................................................................................................................................ 5-14 Figure 5-10: IFD Design Rainfall Depth (Bureau of Meteorology, 2019e) ................................................................ 5-15 Figure 5-11: Location of Pine Creek Bioregion (Charles Darwin University (2011) – NRM InfoNet) ....................... 5-16 Figure 5-12: Project in relation to Litchfield National Park, Fog Bay and Darwin River Dam Catchment (NT Topographic

Map 1:250,000) ......................................................................................................................................................... 5-17 Figure 5-13: Vegetation communities in the Coomalie region (Metcalfe, 2002) ...................................................... 5-18 Figure 5-14: Coomalie region fire history, 2000-2008. (NRM InfoNet, 2019) ........................................................... 5-22 Figure 6-1: Existing features at the former Rum Jungle Mine site ............................................................................. 6-3

Figure 6-2: Original course of the East Branch Finniss River (EBFR) ....................................................................... 6-5 Figure 6-3: Distribution of PAF materials by current waste storage location on the former Rum Jungle Mine site ... 6-7 Figure 6-4: Current conditions – Copper (Cu) balance: Actual load (t/yr) 2013-14 water year (RGC, 2019) ............ 6-7 Figure 6-5: Copper (Cu) load to EBFR by Rum Jungle Mine reach (RGC, 2019) ..................................................... 6-8 Figure 6-6: Model view to North of Main Pit backfilled tails (orange) and water cover (blue) (RGC, 2016) ............... 6-9 Figure 6-7: Basal flow in EBFR diversion channel adjacent to the Intermediate WRD ............................................ 6-10 Figure 6-8: Current Land Use Plan ........................................................................................................................... 6-12 Figure 6-9: Comparative heavy metal total concentrations within shallow soils of the Copper Extraction Pad (n=193),

Old Tailings Dam (n=492) and undisturbed areas north of the Old Tailings Dam (n=85) ........................................ 6-14 Figure 6-10: Copper concentrations in the subsoil profile of the Old Tailings Dam area and the lasting effect of the

1984 rehabilitation works .......................................................................................................................................... 6-15 Figure 6-11: Radiological anomalies at Rum Jungle site investigated by Hughes and Bollhöfer (2010) ................. 6-16 Figure 6-12: Finniss River zones as developed by Hydrobiology (2019) ................................................................. 6-17 Figure 6-13: Uranium (U) concentrations along the EBFR compared to LDWQO ................................................... 6-19 Figure 6-14: Sulphate efflorescence at various locations on the Rum Jungle Mine site .......................................... 6-20 Figure 6-15: Examples of Asbestos Containing Materials (ACMs) on the former Rum Jungle Mine site ................ 6-21


XLVI

Figure 7-1: Rehabilitation strategy summary .............................................................................................................. 7-2

Figure 7-2: Land Use Plan .......................................................................................................................................... 7-3 Figure 7-3: Earthworks Plan for Stage 3 rehabilitation (zoomed to allow view of detailed text) ................................ 7-5 Figure 7-4: Earthmoving schedule .............................................................................................................................. 7-9 Figure 7-5: Schematic barge and conveyor system ................................................................................................. 7-10 Figure 7-6: Conceptual vertical WRD deconstruction and cellular WSF construction methodologies ..................... 7-14 Figure 7-7: Section of Rehabiltated WRD (from Allen and Verhoeven, 1986) ......................................................... 7-16 Figure 7-8: Typical Section through WSF (O'Kane Consultants, 2013) ................................................................... 7-17 Figure 7-9: Store and Release cover system for seasonal climates ........................................................................ 7-18 Figure 7-10: WSF footprint preliminary investigation into recoverable soils............................................................. 7-20 Figure 7-11: Potential borrow pits ............................................................................................................................. 7-22 Figure 7-12: Water Management Infrastructure ...................................................................................................... 7-23 Figure 7-13: Domain map ......................................................................................................................................... 7-26 Figure 7-14: Vegetation units, Rum Jungle Mine ..................................................................................................... 7-31 Figure 7-15: Vegetation condition and disturbances, Rum Jungle Mine .................................................................. 7-32 Figure 8-1: Results of Heritage Register searches – Redacted ................................................................................. 8-1

Figure 8-2: Recorded Heritage Places and Objects – Redacted ............................................................................... 8-2 Figure 8-3: Residual Impact on Heritage Values – Redacted .................................................................................... 8-6 Figure 9-1: Regional topography (RGC, 2011) ........................................................................................................... 9-2

Figure 9-2: Geology of the Rum Jungle Mineral Field showing uranium and other minerals (Ahmad and Hollis, 2013)

.................................................................................................................................................................................... 9-3 Figure 9-3: Map of land systems within the project footprint ...................................................................................... 9-5 Figure 10-1: Surface water monitoring locations and river zones for the EBFR and Finniss River from Hydrobiology

(2016) ........................................................................................................................................................................ 10-5

Figure 10-2: Streamflow gauge locations and catchment areas .............................................................................. 10-7 Figure 10-3: Groundwater monitoring network ......................................................................................................... 10-9 Figure 10-4: Observed Sulphate concentrations (upper) and Copper concentrations (lower) in groundwater with

inferred plumes ....................................................................................................................................................... 10-12 Figure 10-5: Water quality observations and inferred Copper plume in Copper Extraction Pad area ................... 10-17 Figure 10-6: Daily average discharge in EBFR at GS8150200, GS8150327 and GS8150097, July 2010 to July 2017

................................................................................................................................................................................ 10-23 Figure 10-7: Daily average discharge in EBFR at GS8150200, GS8150327 and GS8150097, July 2014 to July 2017

................................................................................................................................................................................ 10-24 Figure 10-8: Groundwater and surface water quality observations near EFDC ..................................................... 10-25 Figure 10-9: Observed Copper and Sulphate concentrations in the EBFR at gauge GS8150200, July 2010 to July

2017 ........................................................................................................................................................................ 10-27 Figure 10-10: Observed Copper and Sulphate concentrations in the EBFR at gauge GS8150327, July 2010 to July

2017 ........................................................................................................................................................................ 10-28 Figure 10-11: Observed Copper and Sulphate concentrations in the EBFR at gauge GS8150097, July 2010 to July

2017 ........................................................................................................................................................................ 10-29 Figure 10-12: Observed EC and metal concentrations in the EBFR at gauges GS8150200, 2010 to 2017. Note: only

parameters for which there is a LDWQO are shown .............................................................................................. 10-30 Figure 10-13: Hourly pH, EC and turbidity observations in the EBFR at gauge G81500200, 2017/2018 Water Year

................................................................................................................................................................................ 10-31 Figure 10-14: Hourly pH, EC and turbidity observations in the EBFR at gauges GS8150327 and GS8150097,

2017/2018 Water Year ............................................................................................................................................ 10-32 Figure 10-15: Model Domain, Finite Difference Grid, and Boundary Conditions ................................................... 10-37 Figure 10-16: Simulated groundwater flow field, Wet and Dry Seasons 2018 ....................................................... 10-38 Figure 10-17: Simulated site features inflows and outflows (Average: 2011 to 2018) ........................................... 10-39 Figure 10-18: (Upper) Simulated Sulphate plume; (Lower) Simulated Copper plume, 1985 ................................. 10-40 Figure 10-19: (Upper) Simulated Sulphate plume, (Lower) Simulated Copper plume, Current Conditions ........... 10-41 Figure 10-20: Simulated Average Annual Water Balance, 2010 to 2017. Flows expressed in L/s ........................ 10-44 Figure 10-21: Simulated and observed streamflows in EBFR at GS8150200, GS8150327 and GS8150097. July 2010

to July 2017 ............................................................................................................................................................. 10-45


XLVII

Figure 10-22: Simulated and observed streamflows in EBFR at GS8150200, GS8150327, and GS8150097. July 2014

to July 2017 ............................................................................................................................................................. 10-46 Figure 10-23: Simulated Flows to the Main Pit and EFDC. July 2010 to July 2017 (top) and July 1st, 2015, to July 1st,

2017 (bottom) .......................................................................................................................................................... 10-47 Figure 10-24: Simulated and observed Copper and Sulphate concentrations in the EBFR at gauge GS8150200, 2010

to 2017 .................................................................................................................................................................... 10-49 Figure 10-25: Simulated and observed Copper and Sulphate concentrations in the EBFR at gauge GS8150327, 2010

to 2017 .................................................................................................................................................................... 10-50 Figure 10-26: Simulated and observed Copper and Sulphate concentrations in the EBFR at gauge GS8150097, 2010

to 2017 .................................................................................................................................................................... 10-51 Figure 10-27: Recovery bore locations and cross-section alignments. Cross-section alignments for Figures 10-40 to

10-43 are shown ..................................................................................................................................................... 10-53 Figure 10-28: Waste re-location sequence and residual WRD footprints .............................................................. 10-53 Figure 10-29: Predicted Sulphate plumes, construction period .............................................................................. 10-56 Figure 10-30: Predicted Copper plumes, construction period ................................................................................ 10-57 Figure 10-31: (Upper) Simulated Sulphate plume, (Lower) Simulated Copper plume, Year 40 ............................ 10-62 Figure 10-32: Cross-section (Row 79) with simulated Sulphate plume .................................................................. 10-63 Figure 10-33: Cross-section (Column 113) with simulated Sulphate plume .......................................................... 10-64 Figure 10-34: Cross-section (Row 79) with simulated Copper plume .................................................................... 10-65 Figure 10-35: Cross-section (Row 113) with simulated Copper plume .................................................................. 10-66 Figure 10-36: Simulated and predicted Sulphate loads, Base Case scenario ....................................................... 10-67 Figure 10-37: Simulated and predicted Copper loads, Base Case scenario ......................................................... 10-68 Figure 10-38: Predicted post-rehabilitation SO4 and Cu concentrations in the EBFR at GS8150097 ................... 10-71 Figure 11-1: Surface water features and river zones within the project footprint ..................................................... 11-3

Figure 11-2: Original course of the East Branch ...................................................................................................... 11-4 Figure 11-3: Local Catchments Overlaying Aster Global Digital Elevation Model v2 ............................................... 11-6 Figure 11-4: Local Catchments Overlaying NT Topographic Maps 1:250,000 ........................................................ 11-7 Figure 11-5: Water Management Layout .................................................................................................................. 11-8 Figure 11-6: Modelled WTP Input Flow Rates .......................................................................................................... 11-8 Figure 11-7: GS8150204 flow rate available data .................................................................................................... 11-9 Figure 11-8: Predicted drawdown at Year 4 of Stage 3 (Dry season) – Intermediate Pit drawn down for Main Pit

backfilling and recovery bores operational ............................................................................................................. 11-12 Figure 11-9: Predicted drawdown at Year 10 of Stage 3 - only recovery bores active .......................................... 11-13 Figure 12-1: Surface water features, river zones and recent survey sites within the project footprint ..................... 12-3

Figure 12-2: Photograph of West Branch riparian vegetation (near confluence) ..................................................... 12-5 Figure 12-3: Photograph of East Branch riparian vegetation (downstream of the mine site)................................... 12-5 Figure 12-4: Photographs of riparian vegetation on the East Branch in the centre of the mine site ........................ 12-6 Figure 12-5: Photographs of riparian vegetation (top) and an aerial view (drone image) of drainage line (bottom) in the

gravel borrow area .................................................................................................................................................... 12-7 Figure 12-6: Location of threatened species occurring in aquatic ecosystems within the project footprint ........... 12-14 Figure 13-1: Finniss River Aboriginal Land Trust boundaries .................................................................................. 13-4

Figure 13-2: Change in output by industry sector 2013-14 to 2017-18, Coomalie region (RDA NT, 2019) ............. 13-6 Figure 14-1: Land systems within the project footprint ............................................................................................. 14-3

Figure 14-2: Fire history across the Rum Jungle region........................................................................................... 14-5 Figure 14-3: Vegetation communities in the region (Metcalfe, 2002) ....................................................................... 14-7 Figure 14-4: Vegetation communities in the Rum Jungle site (Eco Logical, 2014) .................................................. 14-8 Figure 14-5: Photographs of Eucalypt woodland (map unit 10) in the north-west of Rum Jungle ........................... 14-9 Figure 14-6: Photographs of previously disturbed areas at Rum Jungle that have become grassland ................. 14-10 Figure 14-7: Photograph of on top of the waste rock dump located at Mt Burton .................................................. 14-11 Figure 14-8: Photographs of the Mt Fitch site – between the waste rock dump and the pit (top), and of the side of the

waste rock dump (bottom) ...................................................................................................................................... 14-12 Figure 14-9: Photographs of Eucalyptus mid woodland (map unit 1) in the granular material borrow area .......... 14-13 Figure 14-10: Photograph of previously disturbed Eucalyptus low open woodland (map unit 2a) in the granular material

borrow area ............................................................................................................................................................. 14-14 Figure 14-11: Photograph of Eucalyptus mid open woodland (map unit 2) in the granular material borrow area . 14-14


XLVIII

Figure 14-12: Vegetation communities in the granular material borrow area......................................................... 14-15 Figure 14-13: Photograph of the low permeability material borrow area taken from the northern boundary towards the

east ......................................................................................................................................................................... 14-16 Figure 14-14: Vegetation communities in the low permeability material borrow area ............................................ 14-17 Figure 14-15: Photograph of burnt trees surrounded by Gamba Grass (located outside western border of mine site)

................................................................................................................................................................................ 14-21 Figure 14-16: Photograph of high density infestation of Gamba Grass, Perennial Mission Grass and Mimosa at Mt

Fitch ........................................................................................................................................................................ 14-21 Figure 14-17: Photograph of the high density infestation of Gamba Grass at the low permeability material borrow area

................................................................................................................................................................................ 14-22 Figure 14-18: Extent of Gamba Grass infestations at Rum Jungle Mine site (EcOz, 2018) .................................. 14-23 Figure 14-19: Photograph of the rainforest adjacent to Mt Burton ......................................................................... 14-24 Figure 14-20: Rainforest adjacent to Mt Burton ...................................................................................................... 14-25 Figure 14-21: Photograph of vine thicket community in the west of the Rum Jungle Mine site ............................. 14-26 Figure 14-22: Vine forest within the Rum Jungle Mine site .................................................................................... 14-27 Figure 14-23: Vine forest at Mt Fitch ...................................................................................................................... 14-28 Figure 14-24: IUCN red list categories of risk for species ...................................................................................... 14-31 Figure 14-25: Historic threatened species records in the vicinity of the project footprint ....................................... 14-33 Figure 14-26: Flowchart of the threatened species’ impact assessment process .................................................. 14-37 Figure 14-27: Suitable Darwin Cycad habitat within the project footprint ............................................................... 14-39 Figure 14-28: Buffers within the granular material borrow area ............................................................................. 14-47 Figure 16-1: Extent of elevated gamma radiation after an on-ground survey, Rum Jungle Mine site (EcOz, 2019) 16-5

Figure 16-2: Mt Burton radiation survey area (DME, 2016)...................................................................................... 16-6 Figure 16-3: Simplified diagram of the primary pathways leading to dose (source unknown) ................................. 16-7 Figure 18-1: Stage 2 proposed Main Pit rehabilitated surface design (O’Kane Consultants, 2016a) ...................... 18-4

Figure 18-2: Stage 2 proposed WSF location and 100 yr ARI Flood Map ............................................................... 18-5 Figure 18-3: Stage 2 investigated Central WRD location and 100yr ARI Flood Map ............................................... 18-5 Figure 18-4: Stage 2 WSF options and geological units .......................................................................................... 18-6 Figure 18-5: Stage 2 WSF location options review (Robertson GeoConsultants, 2016a) ....................................... 18-6 Figure 18-6: Stage 2 proposed borrow location (O’Kane Consultants, 2016a) ........................................................ 18-7 Figure 18-7: Stage 2 proposed borrow location vegetation map (EcOz, 2016) ....................................................... 18-7


XLIX

Table of Tables Table 1-1: Sequence of historic mining over the Rum Jungle Uranium Field ............................................................ 1-8 Table 1-2: Study team .............................................................................................................................................. 1-13 Table 1-3: Structure of the EIS related to Terms of Reference ................................................................................ 1-15 Table 1-4: Project background .................................................................................................................................. 1-16

Table 2-1: Estimated material movement rates ........................................................................................................ 2-13 Table 2-2: Equipment list .......................................................................................................................................... 2-18 Table 2-3: Project land disturbance .......................................................................................................................... 2-19

Table 3-1: Applicable legislation ................................................................................................................................. 3-2 Table 3-2: Risk Matrix ................................................................................................................................................. 3-6 Table 3-3: Likelihood Descriptors ............................................................................................................................... 3-7 Table 3-4: Consequence Descriptors and Definitions ................................................................................................ 3-8

Table 4-1: EIS Stakeholder Analysis Matrix – IAP2 Elements ................................................................................... 4-4 Table 4-2: Stakeholder Formal Engagement Register ............................................................................................... 4-5

Table 5-1: Calculated Annual ADT and Monthly ADT for Batchelor Primary Stations, 2018 (TAMS, 2018) ............. 5-6 Table 5-2: Vehicle Classification measured at Batchelor Primary Stations, 2018 (TAMS, 2018) .............................. 5-6 Table 5-3: Industries of employment for Batchelor and Coomalie region (ABS, 2017) .............................................. 5-7 Table 5-4: Employment in Batchelor and Coomalie region (ABS, 2017) ................................................................... 5-7 Table 5-5: Indigenous and non-indigenous income comparison (ABS, 2017) ........................................................... 5-7 Table 5-6: Average annual temperature, rainfall, humidity and wind speed, Darwin-Daly rainfall district ................. 5-8 Table 5-7: Monthly climate averages, Batchelor Airport (BoM, 2019a) ...................................................................... 5-8 Table 5-8: Summary of vegetation types in the Coomalie region (adapted from Metcalfe, 2002) ........................... 5-19 Table 5-9: Threatened terrestrial flora recorded in the Coomalie region .................................................................. 5-20 Table 5-10: Priority and opportunistic weed species in the Coomalie region ........................................................... 5-20 Table 5-11: Threatened fauna recorded in the Coomalie region .............................................................................. 5-21 Table 5-12: Listed migratory species recorded in the Coomalie Region .................................................................. 5-21 Table 5-13: Feral fauna species recorded in the Coomalie region ........................................................................... 5-21

Table 6-1: Mining landscape features, dimensions and history ................................................................................. 6-4 Table 6-2: Comparison of modified HILs and background soil 'Cut-Off Values' (mg/kg) (adapted from GHD, 2019) . 6-

13 Table 6-3: LDWQO for Uranium (U) by zone (Hydrobiology, 2019) ......................................................................... 6-17 Table 6-4: Tabulated Conceptual Site Model (Generalised) .................................................................................... 6-23

Table 7-1: Rum Jungle domain rehabilitation strategy ............................................................................................. 7-27 Table 7-2: Rehabilitation success metrics ................................................................................................................ 7-38

Table 9-1: Land system characteristics for the Rum Jungle project footprint............................................................. 9-4 Table 9-2: Erosion and movement of sediment risks ................................................................................................. 9-7 Table 9-3: Long-term stability of landforms and revegetation success ...................................................................... 9-7 Table 9-4: Introduced contamination risks .................................................................................................................. 9-8 Table 9-5: Residual contamination risks ..................................................................................................................... 9-8

Table 10-1: Recommended LDWQOs for EBFR and Finniss River from Hydrobiology (2016) ............................... 10-4 Table 10-2: Representative groundwater quality and seepage water quality observations for Dyson’s Area and near

the Main WRD ......................................................................................................................................................... 10-13 Table 10-3: Representative groundwater quality and seepage water quality results, Main WRD Area ................. 10-14 Table 10-4: Representative groundwater and seepage water quality results, Intermediate WRD ........................ 10-15 Table 10-5: Representative groundwater and seepage water quality results, Central Mining Area ...................... 10-16 Table 10-6: Representative groundwater and seepage water quality results, Old Tailings Dam Area and Downstream

near EBFR .............................................................................................................................................................. 10-18 Table 10-7: Pit water quality profiling results, Main Pit ........................................................................................... 10-20 Table 10-8: Pit water quality profiling results, Intermediate Pit .............................................................................. 10-21 Table 10-9: LWQR exceedances at gauge GS8150200 ........................................................................................ 10-33 Table 10-10: LDWQO exceedances at gauge GS8150327 ................................................................................... 10-34 Table 10-11: Observed Annual Sulphate loads in the EBFR, 2010 to 207 ............................................................ 10-35 Table 10-12: Observed Annual Copper loads in the EBFR, 2010 to 2017............................................................. 10-35 Table 10-13: Simulated Sulphate loads to EBFR (by Reach), Current Conditions ................................................ 10-42


L

Table 10-14: Simulated Copper loads to EBFR (By Reach), Current Conditions .................................................. 10-42 Table 10-15: Comparison of observed and simulated SO4 loads in the EBFR, 2010 to 2017 ............................... 10-48 Table 10-16: Comparison of observed and simulated Copper loads in the EBFR, 2010 to 2017 ......................... 10-48 Table 10-17: Predicted Sulphate loads during construction period ........................................................................ 10-55 Table 10-18: Predicted Copper loads during construction period .......................................................................... 10-55 Table 10-19: Model setup for simulating Construction phase ................................................................................ 10-59 Table 10-20: Predicted post-rehabilitation Sulphate loads ..................................................................................... 10-61 Table 10-21: Predicted post-rehabilitation Copper loads ....................................................................................... 10-61 Table 10-22: Summary of predicted Sulphate and Copper loads, Year 40 (Base Case) ....................................... 10-69 Table 10-23: Summary of predicted Copper concentrations and exceedances, Year 40 (Base Case) ................. 10-70

Table 11-1: Finniss River zones ............................................................................................................................... 11-2 Table 11-2: Impact of proposed WTP discharge regime during Main Pit backfilling ................................................ 11-9 Table 11-3 Proposed Monitoring Plan .................................................................................................................... 11-14

Table 12-1: Finniss River zones ............................................................................................................................... 12-2 Table 12-2: Summary of aquatic fauna and macroinvertebrate surveys conducted within areas of the Finniss River

relevant to the project ............................................................................................................................................... 12-9 Table 12-3: Potential impacts to aquatic ecosystems that have a Low inherent risk ............................................. 12-15

Table 13-1: Population details from 2016 census (ABS, 2017) ................................................................................ 13-3 Table 13-2: Industries of employment for Batchelor, Adelaide River and Coomalie region (ABS, 2017) ................ 13-6 Table 13-3: Employment in Batchelor, Adelaide River and Coomalie region (ABS, 2017) ...................................... 13-7 Table 13-4: Occupations in Batchelor, Adelaide River and Coomalie region (ABS, 2017) ...................................... 13-7 Table 13-5: Potential impacts to socio-economic that have a Low inherent risk ...................................................... 13-8

Table 14-1: Land system characteristics for the Rum Jungle project footprint......................................................... 14-4 Table 14-2: Most common weed species within a 30 km radius of the Rum Jungle Mine site .............................. 14-18 Table 14-3: Weeds recorded during the 2018 survey of the project area .............................................................. 14-20 Table 14-4: Pest animals that are known, or likely, to occur within the project footprint ........................................ 14-30 Table 14-5: Threatened terrestrial species recorded in the project footprint (highlighted) and the surrounding region

................................................................................................................................................................................ 14-32 Table 14-6: Darwin Cycad density estimates within and proximate to the project footprint ................................... 14-38 Table 14-7: Summary assessment of significance of terrestrial threatened species within the project footprint ... 14-41 Table 14-8: Potential impacts to biodiversity that have a Low inherent risk ........................................................... 14-42 Table 14-9: Areas of remnant bushland that will be cleared .................................................................................. 14-42 Table 14-10: Significant impact assessment for Black-footed Tree-rat .................................................................. 14-44 Table 14-11: Gamba Grass management requirements for Part 6 – Class B zone (> 20 ha) ............................... 14-50 Table 14-12: Mimosa management requirements for Part 2 – Class B zone......................................................... 14-50

Table 15-1: Potential impacts to human health and safety ...................................................................................... 15-4

Table 16-1: Summary of sources/pathways of radiation exposure .......................................................................... 16-8

Table 17-1: Summary of protected matters (100 km buffer)..................................................................................... 17-2 Table 17-2: Threatened Species Likelihood of Occurrence (High and Medium Only) (EcOz, 2019a) ..................... 17-3 Table 17-3: EIS Chapters addressing the project’s EPBC Act controlling provisions .............................................. 17-4 Table 17-4: Specialist technical studies ................................................................................................................... 17-7

Table 18-1: Summary of MMA results (DME, 2013) ................................................................................................. 18-2 Table 19-1: Summary of EIS Commitments 19-11


21-115 Januar y 2020

Appendix List Allen, C.G. & Verhoeven, T.J. (1986) Final project report, The Rum Jungle Rehabilitation Project, Prepared for the Commonwealth Department of Resources and Energy.

CSA Global (2011) Rum Jungle Mine Site: Results of Soil and Fluvial Zone Sampling and Assessment. Report to the Department of Resources, Northern Territory.

Department of Primary Industry and Resources (2019) Draft Water Management Plan, Stage 3 Rum Jungle Rehabilitation Project.

Eco Logical (2014) Flora and fauna surveys of the former Rum Jungle mine site. Prepared for Northern Territory Department of Mines and Energy (Q12-0518).

EcOz (2014a) Aquatic Reptile Survey of the Finniss River. Prepared for Hydrobiology.

EcOz (2014b) Finniss River Terrestrial Fauna Survey. Prepared for Hydrobiology.

EcOz (2015) Threatened monitor lizard and bat survey of the Finniss River. Prepared for Hydrobiology.

EcOz (2019) Radiation Management Plan, Rum Jungle mine rehabilitation. Prepared for the Department of Primary Industry and Resources, Northern Territory.

EcOz (2019a) Review of terrestrial ecology surveys relevant to the Rum Jungle EIS. Prepared for Department of Primary Industry and Resources.

EcOz (2019b) Rum Jungle radiological hazard assessment report. Prepared for Department of Primary Industry and Resources, Northern Territory.

EcOz (2019c) Supplementary ecology survey report for the Rum Jungle EIS. Prepared for Department of Primary Industry and Resources. (This document is included as an appendix in the EcOz (2019). Review of terrestrial ecology surveys relevant to the Rum Jungle EIS report).

GHD (2019a) Rum Jungle 2A – Air Noise and Vibration Air Quality Impact Assessment. Report to the Department of Primary Industry and Resources, Northern Territory.

GHD (2019b) Rum Jungle 2A – Air Noise and Vibration Baseline Monitoring Report. Report to the Department of Primary Industry and Resources, Northern Territory.

GHD (2019c) Rum Jungle 2A - Noise and Vibration Impact Assessment Report. Report to the Department of Primary Industry and Resources, Northern Territory.

GHD (2019d) Former Rum Jungle Mine Rehabilitation Project: Modified health investigation levels for surface soils and cover systems soils. Report to the Department of Primary Industry and Resources, Northern Territory.

GHD (2019e) Social and Economic Impact Assessment, Rum Jungle Rehabilitation Project Report. Report to the Department of Primary Industry and Resources, Northern Territory.

GHD (2019f) Rum Jungle Stage 3 EIS Risk Register – Rum Jungle Project Team.

Hughes A. and Bollhöfer A. (2010) Radiological investigations in the Rum Jungle and East Finniss River areas 2009. Internal report 584 by the Supervising Scientist to the Department of Primary Industry and Resources, Northern Territory.

Hydrobiology (2013b) Environmental Values Downstream of Former Rum Jungle Mine site – Phase 2. Prepared for Department of Mines and Energy, Northern Territory Government.

Hydrobiology (2016a) Rum Jungle Aquatic Ecosystem Survey, Early and late Dry season 2015. Prepared for Department of Mines and Energy, Northern Territory Government.


21-2 15 Januar y 2020

Hydrobiology (2016b) Rum Jungle Impact Assessment. Report to the Department of Primary Industry and Resources, Northern Territory.

Hydrobiology (2019) Rum Jungle – Refinement of LDWQTVs. Report to the Department of Primary Industry and Resources, Northern Territory.

Jones D.R. (2019) Geochemical characterisation – waste rock solute source terms stage 2 and main pit tailings. Report to the Department of Primary Industry and Resources, Northern Territory.

Martin-Stone K. (2019) A report on the archaeological survey for Rum Jungle Rehabilitation Project – Stage 2A. Report by In Depth Archaeology to the Department of Primary Industry and Resources, Northern Territory.

Northern Territory Environment Protection Agency (2019b) Terms of Reference for Preparation of an Environmental Impact Statement, Rehabilitation of the former Rum Jungle Mine site. To the Department of Primary Industry and Resources, Northern Territory.

Radiation Advice and Solutions Pty Ltd (2014) Rum Jungle Radiation Monitoring Report. Report to the Department of Mines and Energy, Northern Territory.

Robertson GeoConsultants (2019) Groundwater and Surface Water Modelling Report, Rum Jungle Stage 2A, RGC Report 183008/1, November 2019.

Robertson GeoConsultants and Jones D. (2019) Rum Jungle Physical and Geochemical Characteristics of Waste Rock and Contaminated Materials (Rev 2). RGC Report 183008/2, November 2019.

SLR Consulting Australia (2019) Rum Jungle Project – Stage 2A, Landscape and Visual Impact Assessment. Report to the Department of Primary Industry and Resources, Northern Territory.

SRK Consulting (2012) Geochemical Characterisation of Waste at the Former Rum Jungle Mine Site. Report to the Department of Resources, Northern Territory.

Taylor G., Spain A., Nefiodovas A., Timms G., Kuznetsov V. and Bennet J. 2003, Determination of the Reasons for Deterioration of the Rum Jungle Waste Rock Cover, Australian Centre for Mining Environmental Research, [Online] Available at: https://dpir.nt.gov.au/__data/assets/pdf_file/0003/261516/failure_waste_rock_covers.pdf

https://dpir.nt.gov.au/__data/assets/pdf_file/0003/261516/failure_waste_rock_covers.pdf