January 2006 (PDF 2.9 MB) - Barrick Gold Corporation

TABLE OF CONTENTS
Cowal Gold Project – Cyanide Management Plan
Section Page
PREFACE
1 INTRODUCTION 1
1.1 PURPOSE OF THE PLAN 1
1.2 PLAN OBJECTIVES AND SCOPE 3
1.3 OVERVIEW OF EXISTING ENVIRONMENT 4
1.4 PROJECT OVERVIEW 4
2 DEVELOPMENT CONSENT, MINING LEASE AND EPL CONDITIONS 7
2.1 DEVELOPMENT CONSENT CONDITIONS 7
2.2 MINING LEASE 1535 8
2.3 EPL 11912 CONDITIONS 8
3 PROJECT MANAGEMENT SYSTEM, PLANS AND STUDIES 9
3.1 ENVIRONMENTAL MANAGEMENT SYSTEM 9
3.2 ENVIRONMENTAL MANAGEMENT PLANS 10
3.3 PRE-CONSTRUCTION AND PRE-COMMISSIONING STUDIES 10
4 CYANIDE CONTAINMENT AND MANAGEMENT 12
4.1 HANDLING AND STORAGE OF CYANIDE 12
4.2 USE OF CYANIDE IN OPERATIONS 13
4.2.1 Overview of Cyanide Use 13
4.2.2 Maintaining CNWAD Levels at the Discharge Point to the Required
Levels 13
4.2.3 Containment of Cyanide-contaminated Waters Entirely within the
Mine Site 14
4.2.3.1 Process Plant Water Management 14
4.2.3.2 Tailings Delivery and Return Water Management 14
4.2.3.3 Tailings Water Management 14
4.2.3.4 Tailings Storage Movement 15
5 WILDLIFE MANAGEMENT 16
5.1 INVESTIGATION OF WHETHER NATIVE FAUNA DEATHS OCCURRED AS A
RESULT OF CYANIDE IN THE TAILINGS DAMS 16
6 CYANIDE MONITORING PROGRAMME 17
6.1 REPORTING OF MONITORING 17
6.2 CNWAD LEVELS AT THE DISCHARGE POINT TO THE TAILINGS STORAGES
AND IN THE DECANT WATER OF THE TAILINGS STORAGES 17
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
Monitoring Locations and Frequency
Sample Collection
Laboratory Analysis
6.2.3.1 On-site Laboratory Analysis
6.2.3.2 Off-site Laboratory Analysis
Data Management
Monitoring Programme Review
17
18
18
18
18
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19
6.3 ON-LINE MONITORING OF CNFREE AT LOCATIONS WHERE EMPLOYEES
ARE OPERATING 19
6.4 DETECTION OF CYANIDE MOVEMENT BENEATH AND ADJACENT TO
THE TAILINGS STORAGES 20
HAL-02-07/1/25/CMP-01-Q.DOC i BARRICK