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Association of transuranic elements with lacustrine sediments. [Fallout /sup 239/Pu, /sup 240/Pu, and /sup 241/Am diffusion in Lake Michigan]

Technical Report ·
DOI:https://doi.org/10.2172/8580825· OSTI ID:8580825
; ; ; ;

Approximately 97 percent of the fallout /sup 239/Pu and /sup 240/Pu and an even greater fraction of the /sup 241/Am in Lake Michigan is in the sediments. In addition, studies of gross sediment samples taken with a grab sampler have shown that the /sup 239/Pu and /sup 240/Pu in the sediments is almost entirely associated with the hydrous oxides of iron and manganese. Since these observations indicate that the vast majority of plutonium and americium introduced into the lake is associated with sedimentary phases, studies were continued to determine if the americium is also associated with the hydrous oxides; if the association of plutonium with the oxides remained unchanged with depth in the sediment; and if the particle size of the sediment is important in the distribution of the plutonium. The results of this investigation confirm earlier studies in that the /sup 239/Pu and /sup 240/Pu is primarily associated with the reducible hydrous oxides phase of the sediment and also show that there is no apparent change in the phase distribution with depth in the sediment core.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
US Energy Research and Development Administration (ERDA)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
8580825
Report Number(s):
ANL--75-60(Pt.3)
Country of Publication:
United States
Language:
English

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Related Subjects

520302* -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- Aquatic Ecosystems & Food Chains-- (-1987)
54 ENVIRONMENTAL SCIENCES
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ADSORPTION
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
DEPTH
DIFFUSION
DIMENSIONS
ENVIRONMENTAL TRANSPORT
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FALLOUT
FALLOUT DEPOSITS
GREAT LAKES
HEAVY NUCLEI
ISOTOPES
LAKE MICHIGAN
LAKES
MASS TRANSFER
MONITORING
NUCLEI
ODD-EVEN NUCLEI
PARTICLE SIZE
PLUTONIUM 239
PLUTONIUM 240
PLUTONIUM ISOTOPES
RADIATION MONITORING
RADIOACTIVITY
RADIOISOTOPES
SAMPLING
SEDIMENTATION
SEDIMENTS
SIZE
SORPTION
SURFACE WATERS
YEARS LIVING RADIOISOTOPES