Workers exit a Hanford tank farm before the union demands that supplied air respirators be mandatory within tank farms to protect workers from chemical vapors.
Workers exit a Hanford tank farm before the union demands that supplied air respirators be mandatory within tank farms to protect workers from chemical vapors. Tri-City Herald file
Workers exit a Hanford tank farm before the union demands that supplied air respirators be mandatory within tank farms to protect workers from chemical vapors. Tri-City Herald file