uoitcheater
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A nuclear power plant located on Lake Huron operates an environmental monitoring
program which includes annual fish sampling. At the laboratory, the fish are analyzed
for the following radionuclides:
• Gamma-emitters
• Sr-90/Y-90
• Carbon-14
• Tritium
One year, some fish samples (lake trout) are found to have the following radionuclide
concentrations:
• Cs-137: 3.33 ± 0.19 Bq/kg (wet weight)
• C-14: 250 ± 30 Bq/kgC.
• Tritium: 241 ± 6 Bq/L (free water)
• Sr-90/Y-90: Less than minimum detectable amount
Calculate: The annual dose to fishing enthusiasts eating the fish, attributable to
radioactivity from the nuclear power plant. (Assume any radionuclide concentration
above background is due to releases from the nuclear power plant).
program which includes annual fish sampling. At the laboratory, the fish are analyzed
for the following radionuclides:
• Gamma-emitters
• Sr-90/Y-90
• Carbon-14
• Tritium
One year, some fish samples (lake trout) are found to have the following radionuclide
concentrations:
• Cs-137: 3.33 ± 0.19 Bq/kg (wet weight)
• C-14: 250 ± 30 Bq/kgC.
• Tritium: 241 ± 6 Bq/L (free water)
• Sr-90/Y-90: Less than minimum detectable amount
Calculate: The annual dose to fishing enthusiasts eating the fish, attributable to
radioactivity from the nuclear power plant. (Assume any radionuclide concentration
above background is due to releases from the nuclear power plant).