4115, rue Sherbrooke ouest, bureau 310 Westmount, Québec H3Z 1K9 Tel.: 514.481.3401 Fax.: 514.481.4679 eem.ca Environmental and Social Impact Assessment of the CBG Mine Extension Project Chapter 2 – Physical Environment Study DECEMBER 2014 ENGLISH TRANSLATION JUNE 2015 PROJECT NUMBER: 13EA0039 PREPARED FOR: Compagnie des bauxites de Guinée CBG Mine Extension Project ESIA : Chapter 2 – Physical Environment Study MASTER TABLE OF CONTENTS CHAPTER 1 – BACKGROUND................................................1-1 CHAPTER 2 – PHYSICAL ENVIRONMENT STUDY...................2-1 CHAPTER 3 – BIOLOGICAL BASELINE STUDY...................... 3-1 CHAPTER 4 – BIOLOGICAL IMPACT ASSESSMENT................4-1 CHAPTER 5 – SOCIOECONOMIC BASELINE STUDY ..............5-1 CHAPTER 6 – STAKEHOLDER CONSULTATION……………...... 6-1 CHAPTER 7 – SOCIAL IMPACT ASSESSMENT....................... 7-1 CHAPTER 8 – REPORT ON POTENTIAL IMPACTS ON HUMAN RIGHTS..............................................8-1 CHAPTER 9 – CUMULATIVE IMPACT ASSESSMENT...............9-1 CHAPTER 10 – ENVIRONMENTAL AND SOCIAL MANAGEMENT PLAN.....................................10-1 i CBG Mine Extension Project ESIA : Chapter 2 – Physical Environment Study TABLE OF CONTENTS 2.0 CHAPTER 2 – PHYSICAL ENVIRONMENT STUDY ........ 2-1 2.1 Introduction ................................................................................. 2-1 2.1.1 Description of the Project ........................................................... 2-1 2.1.2 Goals of the study .................................................................... 2-1 2.1.2.1 Objectives ........................................................................... 2-1 2.1.2.2 Aspects studied .................................................................... 2-1 2.1.2.3 Field studies ........................................................................ 2-2 2.1.3 Study Areas ............................................................................. 2-2 2.1.3.1 Areas affected by the Project ................................................. 2-2 2.1.3.2 Zone 1 ................................................................................ 2-2 2.1.3.3 Zone 2 ................................................................................ 2-3 2.1.3.4 Zone 3 ................................................................................ 2-3 2.1.4 Participants .............................................................................. 2-3 2.1.4.1 ÉEM ................................................................................... 2-4 2.1.4.2 SENES Consulting Ltd. .......................................................... 2-4 2.1.4.3 Sylvatrop Consulting ............................................................ 2-5 2.1.5 Prior studies ............................................................................ 2-5 2.1.5.1 The GAC ESIA ...................................................................... 2-5 2.1.5.2 The AECOM ESIA for the CBG ................................................ 2-5 2.1.6 Structure du rapport ................................................................. 2-5 2.2 Air quality ..................................................................................... 2-6 2.2.1 Introduction ............................................................................. 2-6 2.2.2 Regulatory framework ............................................................... 2-6 2.2.3 Baseline assessment methodology .............................................. 2-8 2.2.3.1 Ambient air quality baseline measurements ............................. 2-8 2.2.3.2 Air quality ........................................................................... 2-8 2.2.4 Baseline assessment ................................................................. 2-9 2.2.4.1 Climate and meteorology ...................................................... 2-9 2.2.4.2 Ambient air quality ................................................................. 2-11 2.2.5 Impact assessment methodology .............................................. 2-21 2.2.5.1 Air quality assessment ........................................................ 2-22 ii CBG Mine Extension Project ESIA : Chapter 2 – Physical Environment Study 2.2.5.2 Greenhouse gas assessment ................................................ 2-28 2.2.6 VEC identification ................................................................... 2-31 2.2.7 Air quality impact assessment .................................................. 2-32 2.2.7.1 7.1.1 Kamsar plant operations ............................................. 2-32 2.2.7.2 Mining operations at Sangarédi ............................................ 2-38 2.2.7.3 Proposed rail sidings ........................................................... 2-49 2.2.8 Mitigation measures ................................................................ 2-50 2.2.8.1 Plant at Kamsar ................................................................. 2-50 2.2.8.2 Mining at Sangarédi ............................................................ 2-50 2.2.8.3 Greenhouse gas reductions .................................................. 2-51 2.2.9 Monitoring measures ............................................................... 2-51 2.2.9.1 Kamsar plant ..................................................................... 2-51 2.2.9.2 Sangarédi mine region ........................................................ 2-52 2.3 Noise and vibration .................................................................... 2-53 2.3.1 Introduction ........................................................................... 2-53 2.3.2 Regulatory framework ............................................................. 2-53 2.3.2.1 Guinean legislation ............................................................. 2-53 2.3.2.2 IFC general EHS guidelines: environmental (noise) ................. 2-53 2.3.2.3 IFC EHS guidelines for mining .............................................. 2-54 2.3.2.4 Evaluation and selection of noise criteria ............................... 2-55 2.3.2.5 Blasting noise and vibration ................................................. 2-56 2.3.3 Baseline assessment methodology ............................................ 2-56 2.3.3.1 Baseline noise monitoring .................................................... 2-56 2.3.3.2 Baseline noise modeling ...................................................... 2-59 2.3.4 Baseline assessment ............................................................... 2-60 2.3.4.1 Kamsar ............................................................................. 2-60 2.3.4.2 Sangarédi mine region ........................................................ 2-61 2.3.4.3 Rail activity ....................................................................... 2-62 2.3.5 Impact assessment methodology .............................................. 2-63 2.3.5.1 Kamsar ............................................................................. 2-63 2.3.5.2 Sangarédi mine region ........................................................ 2-64 2.3.5.3 Rail activity ....................................................................... 2-65 2.3.5.4 Blasting ............................................................................ 2-66 2.3.6 VEC identification ................................................................... 2-68 iii CBG Mine Extension Project ESIA : Chapter 2 – Physical Environment Study 2.3.7 Impact assessment ................................................................. 2-68 2.3.7.1 Kamsar ............................................................................. 2-68 2.3.7.2 Sangarédi mine region ........................................................ 2-71 2.3.7.3 Rail activity ....................................................................... 2-73 2.3.7.4 Blasting ............................................................................ 2-74 2.3.8 Mitigation measures ................................................................ 2-76 2.3.8.1 Kamsar ............................................................................. 2-76 2.3.8.2 Sangarédi mine region ........................................................ 2-76 2.3.8.3 Rail activity ....................................................................... 2-77 2.3.8.4 Blasting ............................................................................ 2-77 2.3.9 Monitoring measures ............................................................... 2-78 2.3.9.1 Kamsar ............................................................................. 2-78 2.3.9.2 Sangarédi mine region ........................................................ 2-78 2.3.9.3 Rail activity ....................................................................... 2-78 2.3.9.4 Blasting ............................................................................ 2-78 2.4 Groundwater, surface water and sediment ................................. 2-80 2.4.1 Regulatory framework ............................................................. 2-80 2.4.1.1 Surface water .................................................................... 2-81 2.4.1.2 Groundwater ..................................................................... 2-81 2.4.2 VEC identification ................................................................... 2-82 2.4.2.1 Surface water .................................................................... 2-82 2.4.2.2 Groundwater ....................................................................