Vapor Events



C-67 Event Investigation Reports (EIRs)

Sorted by year, reports begin with year 2023

The following files are Event Investigation Reports (EIRs) from C-67 events.

A TFC-OPS-OPER-C-67 is a response to stronger than normal odors. Workers who detect unidentified or unexpected odors—and potentially related symptoms—should report them. When this occurs, the TFC-OPS-OPER-C-67 procedure is initiated.


February 14, 2023

C-67 procedure

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September 18, 2018

Odors reported at SX Farm – Sept. 18, 2018

A Hanford worker has been released back to work after undergoing precautionary medical evaluation today for odors reported at the SX tank farm. The employee was supporting asphalt paving activities for SX barrier work. Workers were instructed to leave the area, and access to the […]
June 21, 2018

UPDATE: Odors reported outside of AW Farm – June 21, 2018

Two Hanford workers were released back to work after undergoing medical evaluation for odors reported today outside of AW Farm. One of the workers reported symptoms while the other did not. A third worker also reported odors but declined a precautionary medical evaluation. The employees […]
June 21, 2018

Odors reported outside of AW Farm – June 21, 2018

Two Hanford workers are undergoing medical evaluation after reporting odors today outside of AW Farm. One of the workers reported symptoms while the other did not. A third worker also reported odors but declined a precautionary medical evaluation. The employees were supporting AW Farm exhauster […]
June 18, 2018

Odors reported in 242-A pump storage room – June 18, 2018

Two Hanford workers were released back to work after undergoing medical evaluation Friday for odors reported in the 242-A pump storage room airlock. One of the workers reported symptoms while the other did not. The employees were performing valve line-up prerequisites for the upcoming 242-A […]
February 7, 2018

Access restored to SY Farm area after report of odors – Feb. 7, 2018

Two Hanford workers declined precautionary medical evaluation after reporting odors yesterday morning outside of SY Tank Farm in the 200-West Area.  The employees were performing excavation work to support the installation of a safety shower outside the tank farm in an area that does not […]
February 6, 2018

Odors reported outside SY Tank Farm – Feb. 6, 2018

Two Hanford workers declined precautionary medical evaluation after reporting odors this morning outside of SY Tank Farm in the 200-West Area.  The employees were performing excavation work to support the installation of a safety shower outside the tank farm in an area that does not […]