(Source: Associated Press/AP Online)

BOARDMAN, Ore. - Two companies have been fined a combined $90,000 for safety and health violations related to a February explosion that killed a worker in Boardman, in northern Oregon.
The explosion occurred at the ConAgra Foods potato processing plant, where welder Kevin Gregerson was repairing a leak in a steel tank used for potato washing. Gases built up under the tank, which ignited, causing the explosion.
Gregerson worked for NW Metal Fabricators, a contractor at the site.
Oregon-OSHA said Thursday the companies violated rules that protect workers who enter confined spaces that contain hazards. It levied a $65,000 fine against ConAgra and a $25,000 fine against NW Metal Fabricators.
Both companies have 30 days to appeal.
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