Hanford officials say thousands of air samples find no sign of chemical vapors

  • by: NICHOLAS K. GERANIOS , Associated Press
  • Updated: July 9, 2014 - 7:15 PM

RICHLAND, Wash. — About 12,000 air samples taken on the Hanford Nuclear Reservation this year after more than three dozen workers reported being sickened by chemical vapors have failed to find a cause for the problem, Hanford officials said Wednesday.

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