OSHA Workplace Injury Research

Radiator Fluid Burns Are Often Preventable

OSHA recorded 78 severe cases where you suffered thermal burns from hot radiator fluid and engine coolant.

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How often these injuries happen

OSHA recorded 78 severe cases involving radiator fluid since 2015. Thermal burns account for 73% of these incidents, often resulting in significant tissue damage that requires emergency medical intervention.

These injuries frequently impact parts like the trunk, arms, and face. Because these burns often involve high-pressure spray, the damage can be deep and require extensive recovery time.

Reported 2025 (partial year)
0102020152025
Data: Federal OSHA Severe Injury Reports (29 states). Jan–Jul 2025, partial year.

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How these injuries happen

Most injuries occur through direct contact with hot objects or substances, which accounts for 51% of reported incidents. You are often sprayed when removing pressurized radiator caps or loosening engine piping. Flash fires and accidental ingestion also contribute to the danger, particularly when fluids are not allowed to cool sufficiently before maintenance begins.

1 Contact with hot objects or substances
Incidents
40
Share
51% of reported incidents
2 Flash fire
Incidents
19
Share
24% of reported incidents
3 Ingestion of harmful substance
Incidents
9
Share
12% of reported incidents
4 Exposure to harmful substance through exposed tissue
Incidents
5
Share
6% of reported incidents
5 Inhalation of harmful substance
Incidents
5
Share
6% of reported incidents
Cause Incidents Share
1Contact with hot objects or substances 4051% of reported incidents
2Flash fire 1924% of reported incidents
3Ingestion of harmful substance 912% of reported incidents
4Exposure to harmful substance through exposed tissue 56% of reported incidents
5Inhalation of harmful substance 56% of reported incidents

Where injuries happen most

Manufacturing accounts for 26% of these severe injuries, as you frequently handle engine components and cooling systems. Mining operations follow closely at 22%, where the constant use of heavy machinery and high-pressure engines creates a risk for fluid-related burns.

Manufacturing 26%
Mining 22%
Retail Trade 10%
Construction 9%
Other Services 8%
Other 25%

Real cases like yours

Common patterns in these reports include you being sprayed while performing routine dip tests or opening radiator caps on engines that were not fully cooled. These incidents often occur during vehicle maintenance or roadside assistance. If your injury occurred under similar circumstances, an attorney can help you review the specifics of your case.

Year State Industry Incident summary

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

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