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Title: 100 Area Columbia River sediment sampling

Technical Report ·
DOI:https://doi.org/10.2172/10184754· OSTI ID:10184754
 [1]
  1. Westinghouse Hanford Co., Richland, WA (United States)

Forty-four sediment samples were collected from 28 locations in the Hanford Reach of the Columbia River to assess the presence of metals and man-made radionuclides in the near shore and shoreline settings of the Hanford Site. Three locations were sampled upriver of the Hanford Site plutonium production reactors. Twenty-two locations were sampled near the reactors. Three locations were sampled downstream of the reactors near the Hanford Townsite. Sediment was collected from depths of 0 to 6 in. and between 12 to 24 in. below the surface. Samples containing concentrations of metals exceeding the 95 % upper threshold limit values (DOE-RL 1993b) are considered contaminated. Contamination by arsenic, chromium, copper, lead, and zinc was found. Man-made radionuclides occur in all samples except four collected opposite the Hanford Townsite. Man-made radionuclide concentrations were generally less than 1 pCi/g.

Research Organization:
Westinghouse Hanford Co., Richland, WA (United States); International Technology Corp., Richland, WA (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC06-87RL10930
OSTI ID:
10184754
Report Number(s):
WHC-SD-EN-TI-198; ON: DE94000738; TRN: 93:025439
Resource Relation:
Other Information: PBD: 8 Sep 1993
Country of Publication:
United States
Language:
English