Environmental

SWMU 01

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SWMU 01

SWMU = Solid Waste Management Unit; AOC = Area of Concern; UXO = Unexploded Ordnance

Site ID, Name, and Status Background and Pertinent Documents
SWMU 01/12
Mustard Gas Burial Grounds

Long-term monitoring (LTM)
  • Mustard gas, thorium and/or thorium salts, and material containing these substances were buried at the former primary burial area between 1945 and 1956.
  • The radioactive materials and mustard gas were removed from the site in two separate exhumation events in 1974 and 1980.
  • During the 1980s, volatile organic compounds were detected in groundwater.
  • Corrective measures include LTM, land use controls to prevent use of groundwater, seven-year reviews, and periodic site inspections.
  • Biennial LTM of groundwater began in 2007 and is ongoing.
  • Statement of Basis, April 2006; Administrative Record File (ARF) 001015.
  • Seven Year Review, June 2017; ARF 002701.

 

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