OSHA Accident Investigation · Summary #1002088
WILLIAMS PIPE LINE COMPANY
DES MOINES, IA·
Event description
One employee killed, one overcome by gasoline vapors
Investigation abstract
Employee #1, assisted by Employee #2, entered tank #771 to unlock it so that the remaining unleaded gasoline could be pumped into tank #620. Scott SKA-PAK suppl ied-air respirators were used by both employees (which are designed as protectio n for escape only). When Employee #2's air supply became low, he apparently was overcome by gasoline vapors. While attempting to rescue him, Employee #1 was als o overcome by gasoline vapors and subsequently died. Employee #2 was hospitalize d. Employee #1 was the apparent attendant. An oxygen and combustible gas indicat or had been used to monitor the vapors in tank #771 before entry.
Victims (2)
-
#1 Fatality Age 33 M
- Nature of injury
- 2
- Part of body
- 31
- Event type
- 8
- Source
- 35
- Occupation code
- 999
- Human factor
- 11
- Environmental factor
- 9
- Hazardous substance
- 1340
- Task assigned
- 1
-
#2 Hospitalized Age 28 M
- Nature of injury
- 2
- Part of body
- 31
- Event type
- 8
- Source
- 35
- Occupation code
- 999
- Human factor
- 11
- Environmental factor
- 9
- Hazardous substance
- 1340
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.