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International Coal Group Wolf Run Mining Company Sago Mine International Coal Group
Wolf Run Mining Company
Sago Mine

January 2, 2006
Fatal Underground Coal Mine Explosion


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Reports Summary of Investigation Appendices
Appendix A List of Deceased and Injured Miners
Appendix B Detailed Map of Mine
Appendix C Mine Rescue Personnel and Teams Responding
Appendix D BCMR Air Quality Measurements Taken On January 2 and 3, 2006
Appendix E Gas Chromatograph Analysis Results for the No. 1 Drift Opening and Borehole No. 1
Appendix F Accident Investigation Data - Victim Information
Appendix G Lists of Individuals Who Assisted with the Investigation
Appendix H-1 Mapping of the Entire Mine
Appendix H-2 Mapping of the Entire Mine
Appendix H-3 Mapping of the Entire Mine
Appendix H-4 Mapping of the Entire Mine
Appendix H-5 Mapping of the Entire Mine
Appendix H-6 Mapping of the Entire Mine
Appendix H-7 Mapping of the Entire Mine
Appendix H-8 Mapping of the Entire Mine
Appendix H-9 Mapping of the Entire Mine
Appendix I Executive Summary of "Investigation of Pyott-Boone Electronics MineBoss Monitoring and Control System"
Appendix J Bottom Mining Supplements to the Ventilation Plan
Appendix K Three Supplements to the Ventilation Plan Concerning Omega Block Seals
Appendix L Pre-Explosion Simulation of the Mine Ventilation System
Appendix M Post-Explosion Simulation of the Mine Ventilation System with the Damaged Ventilation Controls
Appendix N Post-Explosion Simulation of the Mine Ventilation System with the Initial Repairs made to the Damaged Ventilation Controls
Appendix O Evaluation of Potential for a Roof Fall to Ignite a Methane-Air Mixture
Appendix P An Evaluation of Features & Description of Features Observed Inby Spad 4010
Appendix Q Results of the Mine Dust Survey
Appendix R Map Showing the Location of all Intended Mine Dust Sample Locations and Results
Appendix S Executive Summary of Inspection of Sago Mine Voice Communications Equipment
Appendix T Executive Summary of the Trolleyphone Repeater Report
Appendix U An Executive Summary of Investigation of the Motorola Two-way Radios
Appendix V Executive Summary of the Evaluation of the Uniaxial Compressive Strength of Burrell "Omega" Blocks
Appendix W Sampling and Testing of Mortar Bed Cores Taken from Failed Ventilation Seals
Appendix X Experimental Study of the Effect of LLEM Explosions on Various Seals and Other Structures and Objects
Appendix Y-1Map of the Electrical System, Equipment, and Associated Items
Appendix Y-2 Map of the Electrical System, Equipment, and Associated Items
Appendix Z Executive Summary of Portable Gas Detector Testing
Appendix AA Vaisala Group and AWS Convergence Technologies, Inc. Reports
Appendix BB Map Showing Sago Mine in Relation to Recorded Location of Lightning Strikes, a Lightning Damaged Poplar Tree and the Mine's Phone and Power Lines
Appendix CC Results from Analysis of Seismic Data
Appendix DD Measurements and Modeling of Transfer Functions for Lightning Coupling into the Sago Mine
Appendix EE Report on the Investigation of the Well Heads and Gas Pipeline System
Appendix FF Geophysical Survey of the Old 2 Left Section of the Sago Mine
Appendix GG Map Showing Sago Mine in Relation to Recorded Locations of Lightning Strikes, Gas Wells and Gas Lines
Appendix HH Observation and Sampling Collection Methodology
Appendix II Executive Summary of Submersible Pump Parts Recovered from Sago Mine
Appendix JJ Sago Mine Pump Cable Test
Appendix KK Map Showing Earth Resistance Measurement Values
Appendix LL Mine Map Detailing the Extent of Flame and the Direction of the Primary Explosion Forces


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