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Concentrations of /sup 207/Bi and /sup 210/Pb-/sup 210/Bi-/sup 210/Po disequilibrium in fish

Journal Article · · Pac. Sci.; (United States)
OSTI ID:6432835
; ; ;
Radioactive /sup 207/Bi, produced during nuclear testing at the Pacific Proving Grounds, concentrates in the muscle tissue and organs of goatfish and certain pelagic lagoon fish from Bikini and Enewetak Atolls. It is reasonable to expect that fish capable of accumulating /sup 207/Bi could also be efficient accumulators of other bismuth isotopes - namely /sup 210/Bi, the daughter of naturally occurring /sup 210/Pb. Therefore, /sup 210/Bi and consequently /sup 210/Po, the decay product of /sup 210/Bi, would be expected in notable excess over the precursor /sup 210/Pb in specific tissues. To test this assumption, we compared concentrations of /sup 210/Pb, /sup 210/Bi, and /sup 210/Po in muscle, liver, and bone separated from some reef species from the Marshall Islands. Concentrations of /sup 210/Bi in muscle and liver were found to exceed those of its precursor by factors of 2 to 15. The excess /sup 210/Bi in some species, however, is not from the environmental sources (either food or water) from which /sup 207/Bi is derived. The data suggest that the excess /sup 210/Bi may be translocated to muscle and liver tissue following the decay of /sup 210/Pb in bone.
Research Organization:
Lawrence Livermore National Lab., CA
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
6432835
Journal Information:
Pac. Sci.; (United States), Journal Name: Pac. Sci.; (United States) Vol. 38:4; ISSN PASCA
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
ALPHA DECAY RADIOISOTOPES
ANIMALS
AQUATIC ORGANISMS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BIOLOGICAL ACCUMULATION
BISMUTH 207
BISMUTH 210
BISMUTH ISOTOPES
BODY
CONCENTRATION RATIO
CONTAMINATION
DATA
DAUGHTER PRODUCTS
DAYS LIVING RADIOISOTOPES
DIGESTIVE SYSTEM
ECOLOGICAL CONCENTRATION
ELECTRON CAPTURE RADIOISOTOPES
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
EXPLOSIONS
FISHES
GLANDS
HEAVY NUCLEI
INFORMATION
ISLANDS
ISOTOPES
LEAD 210
LEAD ISOTOPES
LIVER
MARSHALL ISLANDS
MICRONESIA
MUSCLES
NUCLEAR EXPLOSIONS
NUCLEI
NUMERICAL DATA
OCEANIA
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
ORGANS
POLONIUM 210
POLONIUM ISOTOPES
RADIOECOLOGICAL CONCENTRATION
RADIOISOTOPES
SKELETON
TRANSLOCATION
VERTEBRATES
YEARS LIVING RADIOISOTOPES