Report of Investigation: Underground Coal Mine Explosion, Greenwich Collieries No. 1 Mine, I.D. No. 36-02405 : Greenwich Collieries Division of Pennsylvania Mines Corporation, Green Township, Indiana County Pennsylvania, February 16, 1984
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Appendix Victim Data Sheets
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0-3 entries 14 crosscut air quantity airflow approximately Band battery battery-powered locomotive belt bleeder entries brattice cap lamp cfm of air check curtains circuits and equipment Coal Mine Safety connecting line rooms contactor panel crosscut inby D-3 area D-3 vacuum circuit D-5 section damaged demand valve Depto electrical arcing enclosure Endler energized entry of D-3 evidence of electrical evidence of flame Examination and testing explosion occurred face area February 16 feet Extra Large five-circuit distribution box flame safety lamp flatcar Flygt pump installation Greenwich Collieries ground fault ignition source indicated L1 entry Labour pump installation major forces mercury switch methane concentration methane detector methane liberation miners Mines Corporation motor MSHA investigators concluded Parzatka phase conductor photograph in Appendix portable power center provided the ignition pump starter receptacle roof Safety and Health short circuit stoppings three-phase power tion tram control vacuum circuit breaker valve volume percent