1984 National OSHA Record 6486 accidents. 516 injuries. 90 deaths.

OSHA Record Includes Power Boilers Water Boilers and Steel Tanks Cast Iron Boilers Pressure Vessels (poorest record)

Pressure Vessel Record 1310 / 6486 accidents 437 / 516 injuries 73 / 90 deaths

Pressure Vessel Components Shell Head Attachements Piping Safety Valves Misc

Pressure Vessel Failure - Causes Operator error or poor maintenance – 149 / 933 Faulty Design – 144 / 933 Corrosion or erosion – 132 / 933 Pressure control failure – 41 / 933 Other – 420 / 933

Pressure Vessel Failure Types Cracked – 403 / 1087 Other / 1087 Leakage – 163 / 1087 Rupture – 158 / 1087 Explosion – 22 / 1087 Collapsed Inward – 15 / 1087

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