OSHA Workplace Injury Research

Vapor and Gas Explosions at Work

OSHA recorded 79 severe cases of nonpressurized vapor or gas explosions resulting in thermal burns.

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How often these injuries happen

OSHA recorded 79 severe cases involving the explosion of nonpressurized vapors, gases, or liquids over the last decade. These incidents frequently result in thermal burns, which account for 73% of all reported injuries in this category.

You may face long-term recovery from deep tissue burns and complex wounds that require extensive medical intervention and time away from your job.

Reported 2025 (partial year)
02468101220152025
Data: Federal OSHA Severe Injury Reports (29 states). Jan–Apr 2025, partial year.

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Common injuries

Explosions often occur when flammable residues in nonpressurized containers are exposed to heat sources like cutting torches or plasma cutters. Petroleum and coal products are the leading source of these incidents, frequently igniting during routine maintenance or cleaning tasks when safety protocols for handling volatile substances are overlooked.

1 Thermal burns
Incidents
58
Share
73% of reported incidents
2 Amputations, avulsions, enucleations
Incidents
4
Share
5% of reported incidents
3 Fractures
Incidents
2
Share
3% of reported incidents
4 Burns, corrosions, electrical injuries— unspecified
Incidents
2
Share
3% of reported incidents
5 Severe wounds or internal injuries and other injuries
Incidents
2
Share
3% of reported incidents
6 Traumatic injuries or exposures— unspecified
Incidents
2
Share
3% of reported incidents
7 Surface and flesh wounds and other injuries
Incidents
2
Share
3% of reported incidents
8 Chemical burns, corrosions
Incidents
2
Share
3% of reported incidents
Injury Type Incidents Share
1Thermal burns 5873% of reported incidents
2Amputations, avulsions, enucleations 45% of reported incidents
3Fractures 23% of reported incidents
4Burns, corrosions, electrical injuries— unspecified 23% of reported incidents
5Severe wounds or internal injuries and other injuries 23% of reported incidents
6Traumatic injuries or exposures— unspecified 23% of reported incidents
7Surface and flesh wounds and other injuries 23% of reported incidents
8Chemical burns, corrosions 23% of reported incidents

Where injuries happen most

Manufacturing accounts for 24% of these severe explosion incidents. The high concentration of industrial processes, combined with the frequent use of flammable liquids and molten materials, creates environments where a single ignition source can lead to catastrophic injury.

Manufacturing 24%
Construction 19%
Mining 11%
Transportation & Warehousing 6%
Utilities 6%
Other 34%

Real cases like yours

Common patterns in these reports involve the ignition of residual vapors during the cutting or cleaning of containers that previously held flammable materials. You are often injured when you assume a container is empty or safe to work on, only for trapped gases to ignite. If your injury occurred during a similar task involving flammable substances, an attorney can help you evaluate your claim.

Year State Industry Incident summary

Source: OSHA Severe Injury Reports. Narratives are verbatim from filings; identifying details may have been redacted by OSHA.

Frequently asked questions