Little General Store Propane Explosion - US Chemical Safety and ...

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Little General Store September 2008 Contents EXECUTIVE SUMMARY.......................................................................................................................... 1 KEY FINDINGS .......................................................................................................................................... 3 1.0 INTRODUCTION........................................................................................................................... 4 1.1 Summary ......................................................................................................................................... 4 1.2 Investigative Process ....................................................................................................................... 7 1.3 Little General Store, Inc. ................................................................................................................. 8 1.4 Little General Store Propane Suppliers ........................................................................................... 8 1.5 West Virginia Emergency Service Organizations........................................................................... 9 1.6 Professional and Industry Organizations....................................................................................... 12 2.0 INCIDENT DESCRIPTION ......................................................................................................... 13 2.1 Events Preceding January 30, 2007 Explosion.............................................................................. 13 2.2 Day of the Incident ........................................................................................................................ 14 2.3 Response to the Propane Release .................................................................................................. 17 3.0 PROPANE INCIDENT FREQUENCY ........................................................................................ 20 3.1 United States Hazardous Materials Incidents 2001 – 2006........................................................... 20 3.2 Recent Propane Incidents .............................................................................................................. 21 4.0 PROPANE SYSTEM FUNDAMENTALS .................................................................................. 22 4.1 Propane Properties......................................................................................................................... 22 4.2 System Features............................................................................................................................. 22 4.3 Propane Standards ......................................................................................................................... 24 4.4 Propane Emergency Guidance ......................................................................................................25 5.0 INCIDENT AND EMERGENCY RESPONSE ANALYSIS ....................................................... 27 ii
Little General Store September 2008 5.1 Liquid Withdrawal Valve.............................................................................................................. 27 5.2 Propane Tank Placement ............................................................................................................... 30 5.3 Propane Service Technician Training and Response .................................................................... 36 5.4 Fire Department Response ............................................................................................................ 41 5.5 911 Emergency Call Center Response .......................................................................................... 44 6.0 REGULATORY ANALYSIS ....................................................................................................... 46 6.1 Occupational Safety and Health Administration........................................................................... 46 6.2 Environmental Protection Agency ................................................................................................ 46 6.3 West Virginia Fire Commission.................................................................................................... 47 7.0 FINDINGS .................................................................................................................................... 51 8.0 CAUSES........................................................................................................................................ 53 9.0 RECOMMENDATIONS .............................................................................................................. 54 Governor and Legislature of the State of West Virginia ............................................................................ 54 West Virginia Fire Commission................................................................................................................. 54 West Virginia Office of Emergency Medical Services ..............................................................................54 National Fire Protection Association.......................................................................................................... 55 Association of Public-Safety Communications Officials...........................................................................55 Propane Education and Research Council.................................................................................................. 55 National Propane Gas Association ............................................................................................................. 56 West Virginia E911 Council ...................................................................................................................... 56 Ferrellgas .................................................................................................................................................... 57 REFERENCES........................................................................................................................................... 58 APPENDIX A FERRELLGAS INSTALLATION REVIEWS OF THE INCIDENT TANK.................. 60 APPENDIX B 911 CALL AND INITIAL FIRE DEPARTMENT DISPATCH ...................................... 63 iii
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Little General Store Propane Explosion - US Chemical Safety and ...

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