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Radionuclides in Chesapeake Bay sediments

Technical Report ·
OSTI ID:7227785
Natural and manmade gamma-ray emitting radionuclides were measured in Chesapeake Bay sediments taken near the Calvert Cliffs Nuclear Power Plant site. Samples represented several water depths, at six locations, for five dates encompassing a complete seasonal cycle. Radionuclide contents of dry sediments ranged as follows: Tl-208, 40 to 400 pCi/kg; Bi-214, 200 to 800 pCi/kg; K, 0.04 to 2.1 percent; Cs-137 5 to 1900 pCi/kg; Ru106, 40 to 1000 pCikg Co60, 1 to 27 pCi/kg. In general, radionuclide contents were positively correlated with each other and negatively correlated with sediment grain size. (Author) (GRA)
Research Organization:
National Aeronautics and Space Administration, Greenbelt, MD (USA). Goddard Space Flight Center
OSTI ID:
7227785
Report Number(s):
N-76-21747; NASA-TN-D-8196; G-7661
Country of Publication:
United States
Language:
English

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Related Subjects

520300* -- Environment
Aquatic-- Radioactive Materials Monitoring & Transport-- (1989)
54 ENVIRONMENTAL SCIENCES
ALKALI METAL ISOTOPES
ALPHA DECAY RADIOISOTOPES
ATLANTIC OCEAN
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BISMUTH 214
BISMUTH ISOTOPES
CESIUM 137
CESIUM ISOTOPES
CHESAPEAKE BAY
COBALT 60
COBALT ISOTOPES
CORRELATIONS
EVEN-EVEN NUCLEI
HEAVY NUCLEI
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MINUTES LIVING RADIOISOTOPES
MONITORING
NUCLEAR FACILITIES
NUCLEAR POWER PLANTS
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
PARTICLE SIZE
POWER PLANTS
RADIATION MONITORING
RADIOACTIVITY
RADIOISOTOPES
RUTHENIUM 106
RUTHENIUM ISOTOPES
SEAS
SEDIMENTS
SIZE
SURFACE WATERS
THALLIUM 208
THALLIUM ISOTOPES
THERMAL POWER PLANTS
YEARS LIVING RADIOISOTOPES