2. A nuclear power station is situated in Coal Valley, which is a roughly rectangular valley...

 

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2. A nuclear power station is situated in Coal Valley, which is a roughly rectangular valley that is 5 km long, 2 km wide, and 200 m deep. You have been asked to evaluate the effects of a worst-case scenario where the reactor housing fails, and radiation is released to the atmosphere. In your evaluation, you determine that 120 kg of iodine-131 (A RADIOISOTOPE THAT CASUES THYROID GLAND AND LIVER DAMAGE) could be released into the atmosphere (Problems: 1.21). 1) Assuming the release of Iodine-131 was very rapid and all of it was uniformly distributed through the valley's atmosphere with none escaping the valley, what would the concentration of Iodine-131 be in the valley's air? Your answer should be expressed in units of ppmv, and you may assume an atmospheric pressure of 1.0 atm and a temperature of 20 °C. 2. A nuclear power station is situated in Coal Valley, which is a roughly rectangular valley that is 5 km long, 2 km wide, and 200 m deep. You have been asked to evaluate the effects of a worst-case scenario where the reactor housing fails, and radiation is released to the atmosphere. In your evaluation, you determine that 120 kg of iodine-131 (A RADIOISOTOPE THAT CASUES THYROID GLAND AND LIVER DAMAGE) could be released into the atmosphere (Problems: 1.21). 1) Assuming the release of Iodine-131 was very rapid and all of it was uniformly distributed through the valley's atmosphere with none escaping the valley, what would the concentration of Iodine-131 be in the valley's air? Your answer should be expressed in units of ppmv, and you may assume an atmospheric pressure of 1.0 atm and a temperature of 20 °C.

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