Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,214Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

OSHA Inspection: HOLLYFRONTIER ELDORADO REFINING LLC

Referral inspection · Safety discipline

On , OSHA opened a referral safety inspection of HOLLYFRONTIER ELDORADO REFINING LLC in 1401 DOUGLAS RD., EL DORADO, KS 67042 (NAICS 324110). OSHA activity number 343832598.

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Site address
1401 DOUGLAS RD.
City
EL DORADO
State
KS
ZIP
67042
Mailing
PO BOX 1121, EL DORADO, KS 67042
Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
A
Opened
Closing conference
Case closed
Last modified
Data loaded
NAICS code
324110
Employees
472
Ownership type
A

1 citation on file for this inspection.

1910.119 J04 I

Deleted Serious Gravity 10 1 instance 100 exposed
Issued
Penalty
Initial $13260.00 · Current $0.00 Reduced
29 CFR 1910.119(j)(4)(i): 29 CFR 1910.119(j)(4)(i): Inspections and tests were not performed on process equipment:  The employer is failing to protect employees from fire and explosion hazards while engaged in petroleum refining activities.  This was most recently documented on or about March 6, 2019 at the HollyFrontier El Dorado Refining LLC, located at 1401 Douglas Road in El Dorado, Kansas.  The employer did not ensure that a 90 degree elbow on the Low Pressure Gas Treater off-gas pipeline had received a mechanical integrity inspection for wall thickness.  The 90 degree elbow of the Low Pressure Gas Treater off-gas pipeline ruptured releasing a flammable gas that caused an explosion / fire.
Recent events (3)
  • — F (S) $0
  • — C (S) $13260
  • — Z (S) $13260

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This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 343832598.