A radioactive waste from a clinical laboratory contains 0.2 µCi (microcuries) of calcium-45 (45Ca) per liter. The half-life of 45Ca is152 days. a. How long must this waste be stored before the level

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A radioactive waste from a clinical laboratory contains
0.2 µCi (microcuries)
of calcium-45 (45Ca) per liter. The half-life of 45Ca is152
days.
a. How long must this waste be stored before the level
of radioactivity falls below the required maximum of 0.01
µCi/L?
Transcribed Image Text:Question A radioactive waste from a clinical laboratory contains 0.2 µCi (microcuries) of calcium-45 (45Ca) per liter. The half-life of 45Ca is152 days. a. How long must this waste be stored before the level of radioactivity falls below the required maximum of 0.01 µCi/L?
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