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

Little General Store September 2008
List of Figures
Figure 1. Aerial photograph of Little General store and surrounding plot. .................................................4
Figure 2. Site plan of Little General Store. ..................................................................................................6
Figure 3. Liquid withdrawal valve.............................................................................................................15
Figure 4. Timeline of initial events............................................................................................................17
Figure 5. Timeline of incident response.....................................................................................................19
Figure 6. Typical ASME propane tank. .....................................................................................................23
Figure 7. Incident valve plug (Telltale circled)...........................................................................................27
Figure 8. Crack in valve seal.......................................................................................................................29
Figure 9. Pre-incident photograph of the Ferrellgas tank. .........................................................................30
List of Tables
Table 1. U.S. hazardous materials incidents 2001-2006............................................................................20
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