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### Inspection Detail

**Case Status: OPEN**

**Note:** The following inspection has not been indicated as closed. Please be aware that the information shown may change, e.g. violations may be added or deleted.  For open cases, in which a citation has been issued, the citation information may not be available for 5 days following receipt by the employer for Federal inspections or for 30 days following receipt by the employer for State inspections.

#### **Inspection: 1623687.015 - Bp Products North America, Inc.**

**Inspection Information - Office: Toledo**

 

**Inspection Nr**

**Report ID**

**Date Opened**

----

**Site Address**: 			   Bp Products North America, Inc.			   4001 Cedar Point RdOregon, OH 43616

**Mailing Address**: 			   4001 Cedar Point Rd, Oregon, OH 43616

**Union Status**: Union

**SIC**:

**NAICS**: 324110/Petroleum Refineries

----

**Inspection Type**: Fat/Cat

**Scope**: Partial

**Advanced Notice**: N

**Ownership**: Private

**Safety/Health**: Safety

**Close Conference**: 09/21/2022

**Emphasis**:N:Chemnep

**Case Closed**: 

----

**Case Status: OPEN**

#### **Investigation Summary**

**Investigation Nr**

**Event**

At 6:45 p.m. on September 20, 2022, the south area units of the refinery were experiencing process upset conditions, including lifting pressure safety valves and loss of pump arounds on the crude tower. Due to an incident earlier in the day, the NT/Sat gas unit and Coker gas plant were not in normal operating conditions. During work to troubleshoot and provide stability to the process units, the opening of a flow control valve to the absorber stripper tower in the Coker gas plant resulted in naphtha to flow downstream, eventually filling the TIU fuel gas mix drum with naphtha. This led to liquid in the refinery fuel gas system, which initiated the shutting down of some operating units. During outside employee response to the high liquid level in the TIU fuel gas mix drum, naphtha was released into the atmosphere, forming a flammable vapor cloud at ground level and in the oily water sewer at the refinery. At approximately 6:47 pm, the vapor cloud ignited at/near the TIU fuel gas mix drum, possibly due to nearby fired heaters, in the crude unit. Both of the outside employees who responded to the high liquid levels were severely burned in the explosion. Both of the employees died due to their burn injuries in the early morning of

**Keywords:**burn, explosion, flammable vapors, ignite, ignition, refinery, troubleshooting
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