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==1.0 [[chapter_1|Chapter 1:]] The GARD Guide==
+
__notoc__
* 1.1 Introduction
+
[[Summary|'''Executive Summary''']]
* 1.2 ARD Management - The Business Case
+
 
* 1.3 Scope and Objectives of the GARD Guide
+
 
* 1.4 Relation to other guides
+
[[Chapter_1|'''1.0 The Global Acid Rock Drainage Guide''']]
* 1.5 Approach of the GARD Guide
+
:[[Chapter_1#1.1 Introduction|1.1 Introduction]]
** 1.5.1 ARD/NMD/SD
+
::[[Chapter_1#1.1.1 Acid Rock Drainage|1.1.1 Acid Rock Drainage]]
** 1.5.2 Mine Phase
+
:[[Chapter_1#1.2 Acid Rock Drainage Management - The Business Case|1.2 Acid Rock Drainage Management – The Business Case]]
** 1.5.3 Facility
+
:[[Chapter_1#1.3 Scope and Objectives of the Global Acid Rock Drainage Guide|1.3 Scope and Objectives of the Global Acid Rock Drainage Guide]]
** 1.5.4 Climate
+
::[[Chapter_1#1.3.1 Scope|1.3.1 Scope]]
** 1.5.5 Commodity
+
::[[Chapter_1#1.3.2 Objectives|1.3.2 Objectives]]
* 1.6 Sustainability
+
:[[Chapter_1#1.4 Relation to Other Guides|1.4 Relation to Other Guides]]
* 1.7 Layout and How to Use
+
:[[Chapter_1#1.5 Approach of the Global Acid Rock Drainage Guide|1.5 Approach of the Global Acid Rock Drainage Guide]]
 +
:[[Chapter_1#1.6 Application to Mine Phase|1.6 Application to Mine Phase]]
 +
:[[Chapter_1#1.7 The Sustainable Development Approach|1.7 The Sustainable Development Approach]]
 +
:[[Chapter_1#1.8 Layout and How to Use the Guide|1.8 Layout and How to Use the Guide]]
 +
::[[Chapter_1#1.8.1 Layout|1.8.1 Layout]]
 +
::[[Chapter_1#1.8.2 How to Use the Global Acid Rock Drainage Guide|1.8.2 How to Use the Global Acid Rock Drainage Guide]]
 +
:[[Chapter_1#1.9 Chapter References|1.9 Chapter References]]
 +
:[[Chapter_1#List of Figures|List of Figures]]
 +
:[[Chapter_1#List of Appendices|List of Appendices]]
 +
 
 +
[[#top|Top of this page]]
 +
 
 +
[[Chapter_2|'''2.0 The Acid Rock Drainage Process''']]
 +
:[[Chapter_2#2.1 Introduction|2.1 Introduction]]
 +
:[[Chapter_2#2.2 Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage|2.2 Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage]]
 +
:[[Chapter_2#2.3 History of Acid Rock Drainage|2.3 History of Acid Rock Drainage]]
 +
:[[Chapter_2#2.4 The Acid Generation Process|2.4 The Acid Generation Process]]
 +
::[[Introduction to Coal Mine Drainage]]
 +
:::[[Introduction to Coal Mine Drainage#C2.1 Introduction|C2.1 Introduction]]
 +
:::[[Introduction to Coal Mine Drainage#C2.2. Pyrite in Sedimentary Strata|C2.2. Pyrite in Sedimentary Strata]]
 +
:::[[Introduction to Coal Mine Drainage#C2.3 Carbonate Minerals in Coal-bearing Strata|C2.3 Carbonate Minerals in Coal-bearing Strata]]
 +
:::[[Introduction to Coal Mine Drainage#C2.4. How Geology Affects Coal Mine Drainage Quality|C2.4. How Geology Affects Coal Mine Drainage Quality]]
 +
 
 +
::[[Chapter_2#2.4.1 Characteristics of Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage|2.4.1 Characteristics of Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage]]
 +
::[[Chapter_2#2.4.2 The Global and Geochemical Sulphur Cycles|2.4.2 The Global and Geochemical Sulphur Cycles]]
 +
::[[Chapter_2#2.4.3 Acid Rock Drainage Sources|2.4.3 Acid Rock Drainage Sources]]
 +
::[[Chapter_2#2.4.4 The Sulphide Oxidation Process|2.4.4 The Sulphide Oxidation Process]]
 +
::[[Chapter_2#2.4.5 Reaction Products from Sulphide Oxidation|2.4.5 Reaction Products from Sulphide Oxidation]]
 +
::[[Chapter_2#2.4.6 Neutralization Reactions|2.4.6 Neutralization Reactions]]
 +
::[[Chapter_2#2.4.7 The Acid Rock Drainage Process and Migration|2.4.7 The Acid Rock Drainage Process and Migration]]
 +
:[[Chapter_2#2.5 Concluding Statement|2.5 Concluding Statement]]
 +
:[[Chapter_2#2.6 References|2.6 References]]
 +
:[[Chapter_2#List of Tables|List of Tables]]
 +
:[[Chapter_2#List of Figures|List of Figures]]
 +
 
 +
[[#top|Top of this page]]
 +
 
 +
[[Chapter_3|'''3.0 Corporate, Regulatory, and Community Framework''']]
 +
:[[Chapter_3#3.1 Framework for Management of Acid Rock Drainage|3.1 Framework for Management of Acid Rock Drainage]]
 +
:[[Chapter_3#3.2 Corporate Guidance|3.2 Corporate Guidance]]
 +
::[[Chapter_3#3.2.1 Newmont|3.2.1 Newmont]]
 +
::[[Chapter_3#3.2.2 Rio Tinto|3.2.2 Rio Tinto]]
 +
::[[Chapter_3#3.2.3 Relationship to Other Requirements and Issues|3.2.3 Relationship to Other Requirements and Issues]]
 +
:[[Chapter_3#3.3 Sustainability and Community Considerations|3.3 Sustainability and Community Considerations]]
 +
:[[Chapter_3#3.4 Global Regulatory Guidance|3.4 Global Regulatory Guidance]]
 +
:[[Chapter_3#3.5 Country Regulatory Guidance|3.5 Country Regulatory Guidance]]
 +
::[[Chapter_3#3.5.1 Commonalities in the Regulatory Regimes|3.5.1 Commonalities in the Regulatory Regimes]]
 +
::[[Chapter_3#3.5.2 United States of America and its States|3.5.2 United States of America and its States]]
 +
::[[Chapter_3#3.5.3 Canada and its Provinces and Territories|3.5.3 Canada and its Provinces and Territories]]
 +
::[[Chapter_3#3.5.4 Australia, its States and Territories|3.5.4 Australia, its States and Territories]]
 +
::[[Chapter_3#3.5.5 European Union (EU)|3.5.5 European Union (EU)]]
 +
::[[Chapter_3#3.5.6 South Africa|3.5.6 South Africa]]
 +
::[[Chapter_3#3.5.7 New Zealand|3.5.7 New Zealand]]
 +
::[[Chapter_3#3.5.8 Brazil|3.5.8 Brazil]]
 +
::[[Chapter_3#3.5.9 Indonesia|3.5.9 Indonesia]]
 +
:[[Chapter_3#3.6 Risk Considerations|3.6 Risk Considerations]]
 +
:[[Chapter_3#3.7 References|3.7 References]]
 +
:[[Chapter_3#List of Tables|List of Tables]]
 +
:[[Chapter_3#List of Figures|List of Figures]]
  
==2.0 Chapter 2: The ARD Process (Rens Verburg)==
 
* [[Guide2.1|2.1 Definition of ARD and Key Terms]]
 
* [[Guide2.2|2.2 History and Impacts of ARD]]
 
* [[Guide2.3|2.3 Implications of ARD to companies, governments and public]]
 
* [[Guide2.4|2.4 The Acid Generation Process]]
 
** 2.4.1 The Sulphur Cycle and Weathering Products
 
** 2.4.2 ARD Process & Migration
 
* [[Guide2.5|2.5 Neutral and Saline Mine Drainage]]
 
* [[Guide2.6|2.6 References]]
 
  
 
[[#top|Top of this page]]
 
[[#top|Top of this page]]
  
==3.0 Chapter 3: Corporate, Regulatory And Community Framework (John Wates)==
+
[[Chapter_4|'''4.0 Defining the Problem - Characterization''']]
* [[Guide3.1|3.1 Introduction ]]
+
:[[Chapter_4#4.1 Introduction|4.1 Introduction]]
* [[Guide3.2|3.2 GARD Guide Road Map ]]
+
:[[Chapter_4#4.2 Site Characterization Approach|4.2 Site Characterization Approach]]
* [[Guide3.3|3.3 Corporate Guidance ]]
+
::[[Chapter_4#4.2.1 Mine Life Cycle Phases|4.2.1 Mine Life Cycle Phases]]
* [[Guide3.4|3.4 Sustainability Considerations ]]
+
::[[Chapter_4#4.2.2 Sources of Acid Rock Drainage|4.2.2 Sources of Acid Rock Drainage]]
* [[Guide3.5|3.5 Regulatory Guidance ]]
+
::[[Chapter_4#4.2.3 Conceptual Site Model Development|4.2.3 Conceptual Site Model Development]]
** 3.5.1 Global Regulatory Guidance
+
:[[Chapter_4#4.3 Components of Site Characterization|4.3 Components of Site Characterization]]
** 3.5.2 Country Regulatory Guidance
+
::[[Chapter_4#4.3.1 Geo-environmental Models|4.3.1 Geo-environmental Models]]
*** 3.5.2.1 Australia
+
::[[Chapter_4#4.3.2 Source Material Geochemical Characterization|4.3.2 Source Material Geochemical Characterization]]
*** 3.5.2.2 Canada
+
::[[Chapter_4#4.3.3 Watershed Characterization|4.3.3 Watershed Characterization]]
*** 3.5.2.3 Chile
+
:::[[Chapter_4#4.3.3.1 The Hydrologic Cycle|4.3.3.1 The Hydrologic Cycle]]
*** 3.5.2.4 China
+
:::[[Chapter_4#4.3.3.2 Water Balance|4.3.3.2 Water Balance]]
*** 3.5.2.5 EU
+
:::[[Chapter_4#4.3.3.3 Assimilative Capacity of the Receiving Environment|4.3.3.3 Assimilative Capacity of the Receiving Environment]]
*** 3.5.2.6 Indonesia
+
:::[[Chapter_4#4.3.3.4 Biological Receptors|4.3.3.4 Biological Receptors]]
*** 3.5.2.7 Peru
+
:[[Chapter_4#4.4 Summary|4.4 Summary]]
*** 3.5.2.8 Russia
+
:[[Chapter_4#4.5 References|4.5 References]]
*** 3.5.2.9 South Africa
+
:[[Chapter_4#List of Tables|List of Tables]]
*** 3.5.2.10 USA
+
:[[Chapter_4#List of Figures|List of Figures]]
*** 3.5.2.11 Others
+
 
* [[Guide3.6|3.6 Mine Phase Considerations ]]
 
** 3.6.1 Assessment and early prediction
 
*** 3.6.1.1 Exploration
 
*** 3.6.1.2 Assessment
 
** 3.6.2 Monitoring, prevention, treatment and mitigation
 
*** 3.6.1.3 Design
 
*** 3.6.1.4 Construction
 
*** 3.6.1.5 Operation
 
** 3.6.3 Long-term management measures
 
*** 3.6.3.6 Closure
 
*** 3.6.3.7 Post Closure
 
** [[Guide3.7|3.7 Neutral and Saline Mine Drainage ]]
 
** [[Guide3.8|3.8 ARD Guidance FAQ's ]]
 
** [[Guide3.9|3.9 References ]]
 
  
 
[[#top|Top of this page]]
 
[[#top|Top of this page]]
  
== 4.0 Chapter 4: Defining The Problem – Characterization (Devin Castendyk)==
+
[[Chapter_5|'''5.0 Prediction''']]
* [[Guide4.1|4.1 Introduction ]]
+
__notoc__
* [[Guide4.2|4.2 Problem Definition Approach and Site Characterization ]]
+
:[[Chapter_5#5.1 Introduction|5.1 Introduction]]
** 4.2.1 Exploration Phase
+
::[[Introduction to CMD Prediction]]
** 4.2.2 Assessment Phase
+
:[[Chapter_5#5.2 Objectives of Prediction Program|5.2 Objectives of Prediction Program]]
** 4.2.3 Mine Design Phase
+
:[[Chapter_5#5.3 The Prediction Approach|5.3 The Prediction Approach]]
** 4.2.4 Construction and Operation Phase
+
::[[Chapter_5#5.3.1 Acid Rock Drainage/Metal Leaching Characterization|5.3.1 Acid Rock Drainage/Metal Leaching Characterization]]
** 4.2.5 Closure Phase
+
::[[Chapter_5#5.3.2 Prediction during Different Phases of the Mine Life|5.3.2 Prediction during Different Phases of the Mine Life]]
** 4.2.6 Post Closure Phase
+
::[[Chapter_5#5.3.3 Water Quality Prediction|5.3.3 Water Quality Prediction]]
* [[Guide4.3|4.3 Characterization Methods ]]
+
:[[Chapter_5b#5.4 Prediction Tools|5.4 Prediction Tools]]
** 4.3.1 Sampling
+
::[[Chapter_5b#5.4.1 Introduction|5.4.1 Introduction]]
** 4.3.2 Geophysical methods
+
::[[Chapter_5b#5.4.2 Geological and Lithological Investigations|5.4.2 Geological and Lithological Investigations]]
** 4.3.3 Remote Sensing
+
::[[Chapter_5b#5.4.3 Hydrogeological/Hydrological Investigations|5.4.3 Hydrogeological/Hydrological Investigations]]
* [[Guide4.4|4.4 Characterization of Potential Sources of ARD, NMD and SD ]]
+
::[[Chapter_5b#5.4.4 Introduction to Geochemical Characterization|5.4.4 Introduction to Geochemical Characterization]]
* [[Guide4.5|4.5 Commodity Specific Considerations ]]
+
::[[Chapter_5b#5.4.5 Sample Storage and Preparation Prior to Analysis|5.4.5 Sample Storage and Preparation Prior to Analysis]]
* [[Guide4.6|4.6 Approach for Risk Assessment Applied to ARD ]]
+
::[[Chapter_5b#5.4.6 Summary of Testing Requirements|5.4.6 Summary of Testing Requirements]]
* [[Guide4.7|4.7 ARD Problem Definition FAQ's ]]
+
::[[Chapter_5b#5.4.7 Physical Characteristics|5.4.7 Physical Characteristics]]
* [[Guide4.8|4.8 Chapter Conclusions ]]
+
::[[Chapter_5b#5.4.8 Total and Near-Total Solid-Phase Elemental Concentration|5.4.8 Total and Near-Total Solid-Phase Elemental Concentration]]
* [[Guide4.9|4.9 References ]]
+
::[[Chapter_5b#5.4.9 Mineralogical Properties|5.4.9 Mineralogical Properties]]
 +
::[[Chapter_5b#5.4.10 Net Acid or ARD Potential|5.4.10 Net Acid or ARD Potential]]
 +
::[[Chapter_5b#5.4.11 Short-Term Leach Tests|5.4.11 Short-Term Leach Tests]]
 +
::[[Chapter_5b#5.4.12 Laboratory Kinetic Tests|5.4.12 Laboratory Kinetic Tests]]
 +
::[[Chapter_5b#5.4.13 Field Methods|5.4.13 Field Methods]]
 +
::[[Chapter_5b#5.4.14 Data Management|5.4.14 Data Management]]
 +
::[[Chapter_5b#5.4.15 Quality Assurance/Quality Control|5.4.15 Quality Assurance/Quality Control]]
 +
::[[Chapter_5b#5.4.16 Screening and Evaluation Criteria|5.4.16 Screening and Evaluation Criteria]]
 +
::[[Chapter_5b#5.4.17 Reporting|5.4.17 Reporting]]
 +
:[[Chapter_5c#5.5 Modeling of Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage for Characterization and Remediation|5.5 Modeling of Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage for Characterization and Remediation]]
 +
::[[Chapter_5c#5.5.1 Introduction|5.5.1 Introduction]]
 +
::[[Chapter_5c#5.5.2 Geochemical Modeling|5.5.2 Geochemical Modeling]]
 +
::[[Chapter_5c#5.5.3 Hydrological Modeling|5.5.3 Hydrological Modeling]]
 +
::[[Chapter_5c#5.5.4 Hydrogeological Modeling|5.5.4 Hydrogeological Modeling]]
 +
::[[Chapter_5c#5.5.5 Gas Transport Modeling|5.5.5 Gas Transport Modeling]]
 +
::[[Chapter_5c#5.5.6 Statistical Evaluation|5.5.6 Statistical Evaluation]]
 +
:[[Chapter_5c#5.6 Conclusions|5.6 Conclusions]]
 +
:[[Chapter_5c#5.7 References|5.7 References]]
 +
:[[Chapter_5c#List of Tables|List of Tables]]
 +
:[[Chapter_5c#List of Figures|List of Figures]]
  
 
[[#top|Top of this page]]
 
[[#top|Top of this page]]
  
== 5.0 Chapter 5: Prediction (Kirk Nordstrom)==
+
[[Chapter_6|'''6.0 Prevention And Mitigation''']]
* [[Guide5.1|5.1 Introduction ]]
+
__notoc__
* [[Guide5.2|5.2 Objectives of Prediction Program ]]
+
:[[Chapter_6#6.1 Introduction|6.1 Introduction]]
* [[Guide5.3|5.3 The ARD Prediction Approach ]]
+
:[[Chapter_6#6.2 Goals and Objectives of Prevention and Mitigation|6.2 Goals and Objectives of Prevention and Mitigation]]
* [[Guide5.4|5.4 Relevance of ARD Source ]]
+
:[[Chapter_6#6.3 Approach to Acid Rock Drainage Prevention and Mitigation|6.3 Approach to Acid Rock Drainage Prevention and Mitigation]]
* [[Guide5.5|5.5 Consideration of ARD Factors ]]
+
:[[Chapter_6#6.4 Drivers of Acid Rock Drainage|6.4 Drivers of Acid Rock Drainage]]
* [[Guide5.6|5.6 Climatic Factors ]]
+
::[[Chapter_6#6.4.1 Physical Factors|6.4.1 Physical Factors]]
* [[Guide5.7|5.7 ARD , Metal Leaching and Sulphate Production ]]
+
::[[Chapter_6#6.4.2 Geochemical Weathering Processes|6.4.2 Geochemical Weathering Processes]]
* [[Guide5.8|5.8 Data Needs for Prediction ]]
+
::[[Chapter_6#6.4.3 Climate and Physical Environment|6.4.3 Climate and Physical Environment]]
* [[Guide5.9|5.9 Prediction Tools ]]
+
:[[Chapter_6#6.5 Phased Approach|6.5 Phased Approach]]
** [[Guide5.9.1|5.9.1 Geology and Lithological Considerations ]]
+
:[[Chapter_6#6.6 Overview of Best Practice Methods|6.6 Overview of Best Practice Methods]]
** [[Guide5.9.2|5.9.2 Mineralogical Investigations ]]
+
::[[Chapter_6#6.6.1 Avoidance|6.6.1 Avoidance]]
** [[Guide5.9.3|5.9.3 Field Measurements and Assessments ]]
+
::[[Chapter_6#6.6.2 Re-mining|6.6.2 Re-mining]]
** [[Guide5.9.4|5.9.4 Geophysical Investigations ]]
+
::[[Chapter_6#6.6.3 Special Handling Methods|6.6.3 Special Handling Methods]]
** [[Guide5.9.5|5.9.5 Hydrogeological/Hydrological Investigations ]]
+
::[[Chapter_6#6.6.4 Additions and Amendment Methods|6.6.4 Additions and Amendment Methods]]
** [[Guide5.9.6|5.9.6 Overview of Testing Methods ]]
+
::[[Chapter_6#6.6.5 Water Management Methods|6.6.5 Water Management Methods]]
*** 5.9.6.1 Static Methods
+
::[[Chapter_6#6.6.6 Engineered Barriers|6.6.6 Engineered Barriers]]
*** 5.9.6.2 Kinetic Methods
+
::[[Chapter_6#6.6.7 Water Cover Methods|6.6.7 Water Cover Methods]]
* [[Guide5.10|5.10 Geochemical Modeling of ARD for Characterization and Remediation ]]
+
::[[Chapter_6#6.6.8 Drained / Sub-Aerial Tailings Deposition Methods|6.6.8 Drained / Sub-Aerial Tailings Deposition Methods]]
* [[Guide5.11|5.11 Relation to ARD Mitigation Methods ]]
+
:[[Chapter_6#6.7 Selection and Evaluation of Alternatives|6.7 Selection and Evaluation of Alternatives]]
* [[Guide5.12|5.12 Evaluation Approaches ]]
+
:[[Chapter_6#6.8 Design and Construction Considerations|6.8 Design and Construction Considerations]]
** 5.12.1 NMD and Saline Drainage Considerations
+
:[[Chapter_6#6.9 Maintenance and Monitoring Considerations|6.9 Maintenance and Monitoring Considerations]]
** 5.12.2 Scale-up Considerations
+
:[[Chapter_6#6.10 References|6.10 References]]
** 5.12.3 "Yes/no" Prediction
+
:[[Chapter_6#List of Tables|List of Tables]]
** 5.12.4 Quantitative ARD Prediction
+
:[[Chapter_6#List of Figures|List of Figures]]
* [[Guide5.13|5.13 Certainty of Prediction ]]
 
* [[Guide5.14|5.14 Usefulness and Limitations of Geochemical Modeling ]]
 
* [[Guide5.15|5.15 ARD Prediction FAQ's ]]
 
* [[Guide5.16|5.16 References ]]
 
  
 
[[#top|Top of this page]]
 
[[#top|Top of this page]]
  
==6.0 [[chapter_6|Chapter 6:]] Prevention And Mitigation (Ward Wilson)==
+
[[Chapter_7|7.0 Drainage Treatment]]
* [[Guide6.1|6.1 Introduction ]]
+
:[[Chapter_7#7.1 Introduction|7.1 Introduction]]
* [[Guide6.2|6.2 Objectives of Prevention and Mitigation ]]
+
::[[Chapter_7#7.1.1 Risk-based approach|7.1.1 Risk-based approach]]
* [[Guide6.3|6.3 The ARD Prevention and Mitigation Approach ]]
+
:[[Chapter_7#7.2 Objectives of Mine Drainage Treatment|7.2 Objectives of Mine Drainage Treatment]]
* [[Guide6.4|6.4 Relevance of ARD Source ]]
+
:[[Chapter_7#7.3 Mine Drainage Treatment|7.3 Mine Drainage Treatment]]
* [[Guide6.5|6.5 Consideration of ARD Factors ]]
+
:[[Chapter_7#7.4 Drainage Sources, Collection and Management|7.4 Drainage Sources, Collection and Management]]
* [[Guide6.6|6.6 ARD and Metal Leaching and Sulphate Production ]]
+
:[[Chapter_7#7.5 Mine Drainage Treatment Technologies|7.5 Mine Drainage Treatment Technologies]]
* [[Guide6.7|6.7 Climatic and Other Factors ]]
+
::[[Chapter_7#7.5.1 Active Treatment Technologies|7.5.1 Active Treatment Technologies]]
* [[Guide6.8|6.8 Phased Approach ]]
+
:::[[Aeration systems for treating CMD]]
* [[Guide6.9|6.9 Overview of Methods ]]
+
::[[Chapter_7#7.5.2 Passive Treatment Technologies|7.5.2 Passive Treatment Technologies]]
** 6.9.1 Remining
+
:::[[History of Passive Treatment]]
** 6.9.2 Special Handling Methods
+
::[[Chapter_7#7.5.3 In situ Treatment Technologies|7.5.3 In situ Treatment Technologies]]
*** 6.9.2.1 Incorporation in Mine Plan
+
:[[Chapter_7#7.6 Treatment Residues and Wastes|7.6 Treatment Residues and Wastes]]
*** 6.9.2.2 Segregation
+
:[[Chapter_7#7.7 Recovery of Useful Products|7.7 Recovery of Useful Products]]
*** 6.9.2.3 Desulphidization
+
:[[Chapter_7#7.8 Treatment in the Context of Mine Closure and Post Closure|7.8 Treatment in the Context of Mine Closure and Post Closure]]
*** 6.9.2.4 Compaction and Physical Tailings Conditioning
+
:[[Chapter_7#7.9 Evaluation and Selection of Drainage Treatment Technologies|7.9 Evaluation and Selection of Drainage Treatment Technologies]]
*** 6.9.2.5 Encapsulation and Layering
+
:[[Chapter_7#7.10 Case Studies|7.10 Case Studies]]
*** 6.9.2.6 Blending
+
:[[Chapter_7#7.11 References|7.11 References]]
*** 6.9.2.7 Co-disposal
+
:[[Chapter_7#List of Tables|List of Tables]]
*** 6.9.2.8 Permafrost and Freezing
+
:[[Chapter_7#List of Figures|List of Figures]]
** 6.9.3 Additions and Amendment Methods
 
*** 6.9.3.1 Passivation
 
*** 6.9.3.2 Alkaline materials
 
*** 6.9.3.3 Organics
 
*** 6.9.3.4 Bactericides
 
** 6.9.4 Water Management Methods
 
*** 6.9.4.1 Hydrodynamic controls
 
*** 6.9.4.2 Dewatering
 
*** 6.9.4.3 Diversion
 
*** 6.9.4.4 Filling
 
*** 6.9.4.5 Seals
 
** 6.9.5 Dry Cover Methods
 
*** 6.9.5.1 Organic
 
*** 6.9.5.2 Soil
 
*** 6.9.5.3 Limestone and Alkaline
 
*** 6.9.5.4 Synthetic
 
*** 6.9.5.5 Gas
 
*** 6.9.5.6 Vegetation
 
** 6.9.6 Water Cover Methods
 
*** 6.9.6.1 Subaqueous
 
*** 6.9.6.2 Partial water cover
 
*** 6.9.6.3 Wetland covers
 
** 6.9.7 Impact Mitigation
 
*** 6.9.7.1 Attenuation
 
*** 6.9.7.2 Dispersion
 
*** 6.9.7.3 Stream Flow Regulation
 
*** 6.9.7.4 Water recycle and reuse
 
* [[Guide6.10|6.10 Secondary Impacts ]]
 
* [[Guide6.11|6.11 Evaluation of Alternatives ]]
 
* [[Guide6.12|6.12 Design and Construction Considerations ]]
 
* [[Guide6.13|6.13 Maintenance and Monitoring Considerations ]]
 
* [[Guide6.14|6.14 Closure and Long-term Considerations ]]
 
* [[Guide6.15|6.15 ARD Prevention and Mitigation FAQ's ]]
 
* [[Guide6.16|6.16 References ]]
 
  
 
[[#top|Top of this page]]
 
[[#top|Top of this page]]
  
==7.0 [[chapter_7|Chapter 7:]] Drainage Treatment (Andre Van Niekerk)==
+
[[Chapter_8|8.0 Monitoring]]
* [[Guide7.1|7.1 Introduction]]
+
:[[Chapter_8#8.1 Introduction|8.1 Introduction]]
* [[Guide7.2|7.2 Objectives of Drainage Treatment]]
+
:[[Chapter_8#8.2 Objectives of Monitoring|8.2 Objectives of Monitoring]]
* [[Guide7.3|7.3 The ARD Treatment Approach]]
+
:[[Chapter_8#8.3 The Acid Rock Drainage Monitoring Approach|8.3 The Acid Rock Drainage Monitoring Approach]]
* [[Guide7.4|7.4 Mine Drainage Collection]]
+
::[[Chapter_8#8.3.1 Conceptual and Dynamic System Model Development|8.3.1 Conceptual and Dynamic System Model Development]]
* [[Guide7.5|7.5 Mine Drainage Treatment Technologies]]
+
::[[Chapter_8#8.3.2 Risk Based Approach to Monitoring Program Development|8.3.2 Risk Based Approach to Monitoring Program Development]]
** [[Guide7.5.1|7.5.1 Active Treatment]]
+
::[[Chapter_8#8.3.3 Monitoring Program Development|8.3.3 Monitoring Program Development]]
** [[Guide7.5.2|7.5.2 Passive treatment technologies]]
+
::[[Chapter_8#8.3.4 Data Management and Interpretation|8.3.4 Data Management and Interpretation]]
** [[Guide7.5.3|7.5.3 Treatment residues and wastes]]
+
::[[Chapter_8#8.3.5 Auditing|8.3.5 Auditing]]
* [[Guide7.6|7.6 Recovery of useful products]]
+
:[[Chapter_8#8.4 Monitoring Program Components|8.4 Monitoring Program Components]]
* [[Guide7.7|7.7 Evaluation and Selection of Drainage Treatment Technologies]]
+
::[[Chapter_8#8.4.1 Acid Rock Drainage Sources|8.4.1 Acid Rock Drainage Sources]]
* [[Guide7.8|7.8 Frequently asked Questions]]
+
::[[Chapter_8#8.4.2 Pathways|8.4.2 Pathways]]
* [[Guide7.9|7.9 References]]
+
::[[Chapter_8#8.4.3 Mitigation Measures|8.4.3 Mitigation Measures]]
 +
::[[Chapter_8#8.4.4 Receptors|8.4.4 Receptors]]
 +
:[[Chapter_8#8.5 Closure and Long-Term Considerations|8.5 Closure and Long-Term Considerations]]
 +
:[[Chapter_8#8.6 References and Further Reading|8.6 References and Further Reading]]
 +
:[[Chapter_8#List of Tables|List of Tables]]
 +
:[[Chapter_8#List of Figures|List of Figures]]
 +
:[[Chapter_8#List of Photos|List of Photos]]
  
==8.0 [[chapter_8|Chapter 8:]] Monitoring (Peter Chapman)==
+
[[#top|Top of this page]]
* [[Guide8.1|8.1 Introduction]]
 
* [[Guide8.2|8.2 Objectives of Monitoring]]
 
* [[Guide8.3|8.3 The ARD Monitoring Approach]]
 
** 8.3.1 Risk Based Framework
 
** 8.3.2 Monitoring Components
 
* [[Guide8.4|8.4 Problem Formulation]]
 
** [[Guide8.4.1|8.4.1 Site Definition]]
 
** [[Guide8.4.2|8.4.2 Contaminants of Potential Concern (COPCs)]]
 
** [[Guide8.4.3|8.4.3 Receptors of Potential Concern (ROPCs)]]
 
** [[Guide8.4.4|8.4.4 Assessment and Measurement Endpoints]]
 
** [[Guide8.4.5|8.4.5 Reference Areas/Locations]]
 
** [[Guide8.4.6|8.4.6 Conceptual Site Model (CSM)]]
 
** [[Guide8.4.7|8.4.7 Risk Hypotheses]]
 
** [[Guide8.4.8|8.4.8 Sampling and Analysis Plan (SAP)]]
 
* [[Guide8.5|8.5 Overview of Monitoring Approaches]]
 
** [[Guide8.5.1|8.5.1 Implementation Considerations]]
 
*** 8.5.1.1 Health and Safety
 
*** 8.5.1.2 Freshwater, Estuarine and Saline Receiving Environments
 
*** 8.5.1.3 Source/Near-Field/Far-Field Monitoring
 
** [[Guide8.5.2|8.5.2 Discharge monitoring]]
 
** [[Guide8.5.3|8.5.3 Reference Comparisons]]
 
*** 8.5.3.1 Upstream-Downstream
 
*** 8.5.3.2 Gradient Monitoring Design
 
*** 8.5.3.3 Reference Condition Design
 
** [[Guide8.5.4|8.5.4 Exposure Assessment]]
 
*** 8.5.4.1 Data Collection
 
*** 8.5.4.2 Comparison to Chemical Guidelines
 
*** 8.5.4.3 Mercury Biomagnification
 
*** 8.5.4.4 Environmental Fate
 
** [[Guide8.5.5|8.5.5 Effects Assessment]]
 
*** 8.5.5.1 Bioavailability
 
*** 8.5.5.2 Toxicity Testing
 
*** 8.5.5.3 Resident Community Structure Alteration
 
*** 8.5.5.4 Investigation of Causation
 
*** 8.5.5.5 The Value of Integrated Assessments
 
** [[Guide8.5.6|8.5.6 Risk Characterisation]]
 
** [[Guide8.5.7|8.5.7 Uncertainty]]
 
** [[Guide8.5.8|8.5.8 Monitoring and Management]]
 
* [[Guide8.6|8.6 Monitoring Specifics]]
 
** 8.6.1 Sampling
 
** 8.6.2 Analysis
 
** 8.6.3 QAQC Considerations
 
*** 8.6.3.1 Data Generation and Acquisition
 
*** 8.6.3.2 Data Management
 
*** 8.6.3.3 Data Verification, Validation and Usability
 
*** 8.6.3.4 Performance Assessment and Oversight
 
* [[Guide8.7|8.7 ARD Monitoring FAQ's]]
 
* [[Guide8.8|8.8 References]]
 
  
== 9.0 [[chapter_9|Chapter 9:]] Management And Performance Assessment (Karen Clarke-Whistler/Andy Robertson)==
+
[[Chapter_9|9.0 Acid Rock Drainage Management and Peformance Assessment]]
* [[Guide9.1|9.1 Managing and Assessing]]
+
:[[Chapter_9#9.1 Introduction|9.1 Introduction]]
** 9.1.1 Management
+
:[[Chapter_9#9.2 Developing Acid Rock Drainage Management Plans|9.2 Developing Acid Rock Drainage Management Plans]]
** 9.1.2 Performance Assessment (PA)
+
::[[Chapter_9#9.2.1 Sustainability Considerations|9.2.1 Sustainability Considerations]]
* [[Guide9.2|9.2 Designing for Closure]]
+
::[[Chapter_9#9.2.2 Mine Life Cycle Considerations|9.2.2 Mine Life Cycle Considerations]]
* [[Guide9.3|9.3 Disciplines, Knowledge and Experience Requirements]]
+
::[[Chapter_9#9.2.3 Acid Rock Drainage Control – a Multidisciplinary Task|9.2.3 Acid Rock Drainage Control – a Multidisciplinary Task]]
* [[Guide9.4|9.4 Developing an ARD Management Plan (MP)]]
+
::[[Chapter_9#9.2.4 ARD Maturity and the Mine-Life Cycle|9.2.4 ARD Maturity and the Mine-Life Cycle]]
** 9.4.1 Defining the Problem
+
::[[Chapter_9#9.2.5 Design for Closure|9.2.5 Design for Closure]]
** 9.4.2 ARD, NMD and Saline Drainage
+
::[[Chapter_9#9.2.6 Engineering Design Process|9.2.6 Engineering Design Process]]
** 9.4.3 Gathering Data and Information
+
::[[Chapter_9#9.2.7 Risk Assessment, Management, and Contingency Plans|9.2.7 Risk Assessment, Management, and Contingency Plans]]
** 9.4.4 Generating Multiple Solutions
+
::[[Chapter_9#9.2.8 Monitoring Performance and Assessment of Success|9.2.8 Monitoring Performance and Assessment of Success]]
** 9.4.5 Analyzing and Selecting a Solution
+
:[[Chapter_9#9.3 Implementing the Acid Rock Drainage Management Plan|9.3 Implementing the Acid Rock Drainage Management Plan]]
*** 9.4.5.1 Modelling and Assessment
+
::[[Mt._Milligan_Project|Mt. Milligan Project Mini Case Study]]
*** 9.4.5.2 Selecting a Solution
+
::[[Chapter_9#9.3.1 Integrating Acid Rock Drainage Management into Mine and Process Operations|9.3.1 Integrating Acid Rock Drainage Management into Mine and Process Operations]]
** 9.4.6 Testing the Solution
+
::[[Chapter_9#9.3.2 Management System Roles and Responsibilities|9.3.2 Management System Roles and Responsibilities]]
*** 9.4.6.1 Testing Assumptions and Designs
+
:[[Chapter_9#9.4 Long-Term Considerations|9.4 Long-Term Considerations]]
*** 9.4.6.2 Risk Assessment and Management
+
::[[Chapter_9#9.4.1 Design Horizon|9.4.1 Design Horizon]]
** 9.4.7 Assembling the ARD Management Plan
+
::[[Chapter_9#9.4.2 Long-Term Resources|9.4.2 Long-Term Resources]]
* [[Guide9.5|9.5  Implementing the ARD Management Plan]]
+
::[[Chapter_9#9.4.3 Information/Institutional Knowledge Retention|9.4.3 Information/Institutional Knowledge Retention]]
** 9.5.1 Mine Planning and Design
+
::[[Chapter_9#9.4.4 Changing Standards/Stakeholder Needs and Expectations|9.4.4 Changing Standards/Stakeholder Needs and Expectations]]
** 9.5.2 Construction
+
:[[Chapter_9#9.5 References|9.5 References]]
** 9.5.3 Operations
+
:[[Chapter_9#List of Tables|List of Tables]]
** 9.5.4 Monitoring Performance
+
:[[Chapter_9#List of Figures|List of Figures]]
** 9.5.5 Adjusting and Modifying the Plan
 
*** 9.5.5.1 Data Retention
 
*** 9.5.5.2 Closure Considerations
 
*** 9.5.5.3 ARD Management FAQ's
 
*** 9.5.5.4 References
 
  
==10.0 [[chapter_10|Chapter 10:]] ARD Communication and Consultation (Tisha Greyling)==
+
[[#top|Top of this page]]
* [[Guide10.1|10.1 Introduction]]
 
* [[Guide10.2|10.2 The Business Case For Stakeholder Engagement]]
 
** 10.2.1 Corporate social risk and consequences
 
** 10.2.2 Benefits of good stakeholder engagement
 
** 10.2.3 The role of regulatory and other requirements
 
** 10.2.4 In-country laws
 
** 10.2.5 International conventions, guidelines and standards
 
** 10.2.6 Lenders’ requirements
 
* [[Guide10.3|10.3 Objectives Of Stakeholder Engagement]]
 
* [[Guide10.4|10.4 Good-Practice Principles And Approaches]]
 
** 10.4.1 Key principles and approaches
 
** 10.4.2 Identify stakeholders
 
** 10.4.3 Other principles
 
* [[Guide10.5|10.5 Effective Engagement]]
 
** 10.5.1 Within Companies
 
** 10.5.2 With Regulators
 
** 10.5.3 With Communities
 
** 10.5.4 With other stakeholders
 
** 10.5.5 Communication and Consultation by Regulators and Communities
 
* [[Guide10.6|10.6 Stakeholder Engagement For Each Mining Phase]]
 
** 10.6.1 Exploration
 
** 10.6.2 Assessment
 
** 10.6.3 Design
 
** 10.6.4 Construction
 
** 10.6.5 Operation
 
** 10.6.6 Closure and post-closure
 
* [[Guide10.7|10.7 Time, Resources and Costs]]
 
* [[Guide10.8|10.8 Roles And Responsibilities]]
 
** 10.8.1 The mining company
 
** 10.8.2 Government
 
** 10.8.3 Stakeholders
 
* [[Guide10.9|10.9 Evaluation and Reporting]]
 
** 10.9.1 Record-keeping
 
** 10.9.2 Evaluation
 
** 10.9.3 Reporting to neighbors and in-country stakeholders
 
** 10.9.4 Reporting internationally
 
* [[Guide10.10|10.10 FAQ - Frequently Asked Questions]]
 
* [[Guide10.11|10.11 References]]
 
  
==11.0 [[chapter_11|Chapter 11:]] ARD Management & Sustainability Framework (Beth Beloff)==
+
[[Chapter_10|10.0 Acid Rock Drainage Communication and Consulting]]
* 11.1 Introduction
+
:[[Chapter_10#10.1 Introduction|10.1 Introduction]]
* 11.2 Developing Industry, Regulatory and Community Approaches
+
:[[Chapter_10#10.2 Why Communicate and Consult about Acid Rock Drainage?| 10.2 Why Communicate and Consult about Acid Rock Drainage?]]
* 11.3 Ongoing Research
+
::[[Chapter_10#10.2.1 Stakeholder Perceptions about Acid Rock Drainage|10.2.1 Stakeholder Perceptions about Acid Rock Drainage]]
* 11.4 Conferences and Training
+
::[[Chapter_10#10.2.2 Benefits of Communication and Consultation about Acid Rock Drainage|10.2.2 Benefits of Communication and Consultation about Acid Rock Drainage]]
* 11.5 ARD Technology FAQ's
+
:::[[General_Information_on_Metal_Leaching_and_Acid_Rock_Drainage|General Information on Metal Leaching and Acid Rock Drainage]]
 +
:[[Chapter_10#10.3 Mining Disciplines Involved in Acid Rock Drainage Management and Communication|10.3 Mining Disciplines Involved in Acid Rock Drainage Management and Communication]]
 +
::[[Chapter_10#10.3.1 Integration of Functions|10.3.1 Integration of Functions]]
 +
:[[Chapter_10#10.4 Planning Communication and Consultation on Acid Rock Drainage|10.4 Planning Communication and Consultation on Acid Rock Drainage]]
 +
::[[Chapter_10#10.4.1 The Focus of Consulting and Communication|10.4.1 The Focus of Consulting and Communication]]
 +
::[[Chapter_10#10.4.2 Regulatory and Other Requirements for Communication and Consultation|10.4.2 Regulatory and Other Requirements for Communication and Consultation]]
 +
::[[Chapter_10#10.4.3 Tailor Objectives of Stakeholder Engagement to the Situation at Hand|10.4.3 Tailor Objectives of Stakeholder Engagement to the Situation at Hand|]]]]
 +
:[[Chapter_10#10.5 Communication and Consultation about Acid Rock Drainage for each Mining Phase|10.5 Communication and Consultation about Acid Rock Drainage for each Mining Phase]]
 +
:[[Chapter_10#10.6 Good-Practice Principles and Approaches|10.6 Good-Practice Principles and Approaches]]
 +
::[[Chapter_10#10.6.1 Inclusive Engagement|10.6.1 Inclusive Engagement]]
 +
::[[Chapter_10#10.6.2 Get in Early|10.6.2 Get in Early]]
 +
::[[Chapter_10#10.6.3 Be Respectful to People and Cultural Norms|10.6.3 Be Respectful to People and Cultural Norms]]
 +
::[[Chapter_10#10.6.4 Accessible and Transparent Information|10.6.4 Accessible and Transparent Information]]
 +
::[[Chapter_10#10.6.5 Ongoing Feedback and Acknowledgment|10.6.5 Ongoing Feedback and Acknowledgment]]
 +
::[[Chapter_10#10.6.6 Dispute Management and Resolution|10.6.6 Dispute Management and Resolution]]
 +
::[[Chapter_10#10.6.7 The Principles of Risk Communication|10.6.7 The Principles of Risk Communication]]
 +
:[[Chapter_10#10.7 Responsibilities of Regulators|10.7 Responsibilities of Regulators]]
 +
:[[Chapter_10#10.8 Guidelines for Acid Rock Drainage Reporting|10.8 Guidelines for Acid Rock Drainage Reporting]]
 +
:[[Chapter_10#10.9 References|10.9 References]]
 +
:[[Chapter_10#List of Tables|List of Tables]]
 +
:[[Chapter_10#List of Figures|List of Figures]]
  
== 12.0 [[GuideReferences|References]] ==
+
[[#top|Top of this page]]
  
== [[GuideTables|Tables]] ==
+
[[Chapter_11|11.0 ARD Management in the Future]]
 +
:[[Chapter_11#11.1 Introduction|11.1 Introduction]]
 +
::[[Chapter_11#11.1.1 ARD through the Sustainable Development "Lens"|11.1.1 ARD through the Sustainable Development "Lens"]]
 +
:[[Chapter_11#11.2 ARD Research and Management - Today and Tomorrow|11.2 ARD Research and Management - Today and Tomorrow]]
 +
::[[Chapter_11#11.2.1 History and Status of ARD Research and Management|11.2.1 History and Status of ARD Research and Management]]
 +
::[[Chapter_11#11.2.2 The Future of ARD Research and Management|11.2.2 The Future of ARD Research and Management]]
 +
:[[Chapter_11#11.3 Stakeholder Roles|11.3 Stakeholder Roles]]
 +
:[[Chapter_11# References| References]]
  
== [[GuideFigures|Figures]] ==
+
[[#top|Top of this page]]
*Figure 1: Road Map for the Global Acid Rock Drainage Guide
 
*Figure 2: Generic Mine Water System Indication Potential Drainage Treatment Plant Positions
 
*Figure 3: Generic Range of Drainage Treatment Technologies
 
*Figure 4: The risk-based approach in concept, depicting the relationships between the contaminant (source), the receptor and the pathway that connects them
 
*Figure 5: Implementation of a risk based approach
 
  
 
== [[GuideAppendices|Appendices]] ==
 
== [[GuideAppendices|Appendices]] ==
* Appendix A Title
+
: [[Acronyms|Acronyms]]
* [[Acronyms|Acronyms]]
+
: [[Glossary|Glossary]]
* [[Glossary|Glossary]]
+
<!-- : Units and Conversion Factors
* Units and Conversion Factors
+
: General Further Reading
* General Further Reading
+
: Case Studies Listing
* Case Studies Listing
+
: ARD Consultant Terms of Reference -->
* ARD Consultant Terms of Reference
+
 
 +
[[#top|Top of this page]]
 +
 
 +
 
 +
<div style="text-align:center">'''[[Public_Comment|Click Here to Leave a Comment]]'''</div>

Latest revision as of 21:01, 22 July 2014

Executive Summary


1.0 The Global Acid Rock Drainage Guide

1.1 Introduction
1.1.1 Acid Rock Drainage
1.2 Acid Rock Drainage Management – The Business Case
1.3 Scope and Objectives of the Global Acid Rock Drainage Guide
1.3.1 Scope
1.3.2 Objectives
1.4 Relation to Other Guides
1.5 Approach of the Global Acid Rock Drainage Guide
1.6 Application to Mine Phase
1.7 The Sustainable Development Approach
1.8 Layout and How to Use the Guide
1.8.1 Layout
1.8.2 How to Use the Global Acid Rock Drainage Guide
1.9 Chapter References
List of Figures
List of Appendices

Top of this page

2.0 The Acid Rock Drainage Process

2.1 Introduction
2.2 Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage
2.3 History of Acid Rock Drainage
2.4 The Acid Generation Process
Introduction to Coal Mine Drainage
C2.1 Introduction
C2.2. Pyrite in Sedimentary Strata
C2.3 Carbonate Minerals in Coal-bearing Strata
C2.4. How Geology Affects Coal Mine Drainage Quality
2.4.1 Characteristics of Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage
2.4.2 The Global and Geochemical Sulphur Cycles
2.4.3 Acid Rock Drainage Sources
2.4.4 The Sulphide Oxidation Process
2.4.5 Reaction Products from Sulphide Oxidation
2.4.6 Neutralization Reactions
2.4.7 The Acid Rock Drainage Process and Migration
2.5 Concluding Statement
2.6 References
List of Tables
List of Figures

Top of this page

3.0 Corporate, Regulatory, and Community Framework

3.1 Framework for Management of Acid Rock Drainage
3.2 Corporate Guidance
3.2.1 Newmont
3.2.2 Rio Tinto
3.2.3 Relationship to Other Requirements and Issues
3.3 Sustainability and Community Considerations
3.4 Global Regulatory Guidance
3.5 Country Regulatory Guidance
3.5.1 Commonalities in the Regulatory Regimes
3.5.2 United States of America and its States
3.5.3 Canada and its Provinces and Territories
3.5.4 Australia, its States and Territories
3.5.5 European Union (EU)
3.5.6 South Africa
3.5.7 New Zealand
3.5.8 Brazil
3.5.9 Indonesia
3.6 Risk Considerations
3.7 References
List of Tables
List of Figures


Top of this page

4.0 Defining the Problem - Characterization

4.1 Introduction
4.2 Site Characterization Approach
4.2.1 Mine Life Cycle Phases
4.2.2 Sources of Acid Rock Drainage
4.2.3 Conceptual Site Model Development
4.3 Components of Site Characterization
4.3.1 Geo-environmental Models
4.3.2 Source Material Geochemical Characterization
4.3.3 Watershed Characterization
4.3.3.1 The Hydrologic Cycle
4.3.3.2 Water Balance
4.3.3.3 Assimilative Capacity of the Receiving Environment
4.3.3.4 Biological Receptors
4.4 Summary
4.5 References
List of Tables
List of Figures


Top of this page

5.0 Prediction

5.1 Introduction
Introduction to CMD Prediction
5.2 Objectives of Prediction Program
5.3 The Prediction Approach
5.3.1 Acid Rock Drainage/Metal Leaching Characterization
5.3.2 Prediction during Different Phases of the Mine Life
5.3.3 Water Quality Prediction
5.4 Prediction Tools
5.4.1 Introduction
5.4.2 Geological and Lithological Investigations
5.4.3 Hydrogeological/Hydrological Investigations
5.4.4 Introduction to Geochemical Characterization
5.4.5 Sample Storage and Preparation Prior to Analysis
5.4.6 Summary of Testing Requirements
5.4.7 Physical Characteristics
5.4.8 Total and Near-Total Solid-Phase Elemental Concentration
5.4.9 Mineralogical Properties
5.4.10 Net Acid or ARD Potential
5.4.11 Short-Term Leach Tests
5.4.12 Laboratory Kinetic Tests
5.4.13 Field Methods
5.4.14 Data Management
5.4.15 Quality Assurance/Quality Control
5.4.16 Screening and Evaluation Criteria
5.4.17 Reporting
5.5 Modeling of Acid Rock Drainage, Neutral Mine Drainage, and Saline Drainage for Characterization and Remediation
5.5.1 Introduction
5.5.2 Geochemical Modeling
5.5.3 Hydrological Modeling
5.5.4 Hydrogeological Modeling
5.5.5 Gas Transport Modeling
5.5.6 Statistical Evaluation
5.6 Conclusions
5.7 References
List of Tables
List of Figures

Top of this page

6.0 Prevention And Mitigation

6.1 Introduction
6.2 Goals and Objectives of Prevention and Mitigation
6.3 Approach to Acid Rock Drainage Prevention and Mitigation
6.4 Drivers of Acid Rock Drainage
6.4.1 Physical Factors
6.4.2 Geochemical Weathering Processes
6.4.3 Climate and Physical Environment
6.5 Phased Approach
6.6 Overview of Best Practice Methods
6.6.1 Avoidance
6.6.2 Re-mining
6.6.3 Special Handling Methods
6.6.4 Additions and Amendment Methods
6.6.5 Water Management Methods
6.6.6 Engineered Barriers
6.6.7 Water Cover Methods
6.6.8 Drained / Sub-Aerial Tailings Deposition Methods
6.7 Selection and Evaluation of Alternatives
6.8 Design and Construction Considerations
6.9 Maintenance and Monitoring Considerations
6.10 References
List of Tables
List of Figures

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7.0 Drainage Treatment

7.1 Introduction
7.1.1 Risk-based approach
7.2 Objectives of Mine Drainage Treatment
7.3 Mine Drainage Treatment
7.4 Drainage Sources, Collection and Management
7.5 Mine Drainage Treatment Technologies
7.5.1 Active Treatment Technologies
Aeration systems for treating CMD
7.5.2 Passive Treatment Technologies
History of Passive Treatment
7.5.3 In situ Treatment Technologies
7.6 Treatment Residues and Wastes
7.7 Recovery of Useful Products
7.8 Treatment in the Context of Mine Closure and Post Closure
7.9 Evaluation and Selection of Drainage Treatment Technologies
7.10 Case Studies
7.11 References
List of Tables
List of Figures

Top of this page

8.0 Monitoring

8.1 Introduction
8.2 Objectives of Monitoring
8.3 The Acid Rock Drainage Monitoring Approach
8.3.1 Conceptual and Dynamic System Model Development
8.3.2 Risk Based Approach to Monitoring Program Development
8.3.3 Monitoring Program Development
8.3.4 Data Management and Interpretation
8.3.5 Auditing
8.4 Monitoring Program Components
8.4.1 Acid Rock Drainage Sources
8.4.2 Pathways
8.4.3 Mitigation Measures
8.4.4 Receptors
8.5 Closure and Long-Term Considerations
8.6 References and Further Reading
List of Tables
List of Figures
List of Photos

Top of this page

9.0 Acid Rock Drainage Management and Peformance Assessment

9.1 Introduction
9.2 Developing Acid Rock Drainage Management Plans
9.2.1 Sustainability Considerations
9.2.2 Mine Life Cycle Considerations
9.2.3 Acid Rock Drainage Control – a Multidisciplinary Task
9.2.4 ARD Maturity and the Mine-Life Cycle
9.2.5 Design for Closure
9.2.6 Engineering Design Process
9.2.7 Risk Assessment, Management, and Contingency Plans
9.2.8 Monitoring Performance and Assessment of Success
9.3 Implementing the Acid Rock Drainage Management Plan
Mt. Milligan Project Mini Case Study
9.3.1 Integrating Acid Rock Drainage Management into Mine and Process Operations
9.3.2 Management System Roles and Responsibilities
9.4 Long-Term Considerations
9.4.1 Design Horizon
9.4.2 Long-Term Resources
9.4.3 Information/Institutional Knowledge Retention
9.4.4 Changing Standards/Stakeholder Needs and Expectations
9.5 References
List of Tables
List of Figures

Top of this page

10.0 Acid Rock Drainage Communication and Consulting

10.1 Introduction
10.2 Why Communicate and Consult about Acid Rock Drainage?
10.2.1 Stakeholder Perceptions about Acid Rock Drainage
10.2.2 Benefits of Communication and Consultation about Acid Rock Drainage
General Information on Metal Leaching and Acid Rock Drainage
10.3 Mining Disciplines Involved in Acid Rock Drainage Management and Communication
10.3.1 Integration of Functions
10.4 Planning Communication and Consultation on Acid Rock Drainage
10.4.1 The Focus of Consulting and Communication
10.4.2 Regulatory and Other Requirements for Communication and Consultation
10.4.3 Tailor Objectives of Stakeholder Engagement to the Situation at Hand|]]
10.5 Communication and Consultation about Acid Rock Drainage for each Mining Phase
10.6 Good-Practice Principles and Approaches
10.6.1 Inclusive Engagement
10.6.2 Get in Early
10.6.3 Be Respectful to People and Cultural Norms
10.6.4 Accessible and Transparent Information
10.6.5 Ongoing Feedback and Acknowledgment
10.6.6 Dispute Management and Resolution
10.6.7 The Principles of Risk Communication
10.7 Responsibilities of Regulators
10.8 Guidelines for Acid Rock Drainage Reporting
10.9 References
List of Tables
List of Figures

Top of this page

11.0 ARD Management in the Future

11.1 Introduction
11.1.1 ARD through the Sustainable Development "Lens"
11.2 ARD Research and Management - Today and Tomorrow
11.2.1 History and Status of ARD Research and Management
11.2.2 The Future of ARD Research and Management
11.3 Stakeholder Roles
References

Top of this page

Appendices

Acronyms
Glossary

Top of this page