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Radiation Safety Considerations

Radiation Safety Considerations. Ambient dose equivalent rate at a transverse distance of 50cm to the beam axis:. cooling times in hours. at the dump: < 200 mrem/h. average in the aisle: < 1 mrem/h. Radiation Safety Considerations. Cooling time scaling factors:.

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Radiation Safety Considerations

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  1. Radiation Safety Considerations Ambient dose equivalent rate at a transverse distance of 50cm to the beam axis: cooling times in hours at the dump: < 200 mrem/h average in the aisle: < 1 mrem/h

  2. Radiation Safety Considerations Cooling time scaling factors: cooling timescaling factor (hours) 0.11.0 0.20.75 0.50.39 1.0 0.26 10 0.11 1000.005

  3. Radiation Safety Considerations Exchange of samples:4 days of continuous operation at 100 W 6 minutes of cooling time durationdose rateaccumulated dose 1. Access to dump1 minute1 mrem/h0.017 mrem 2. Exchange of samples20 seconds200 mrem/h1.1 mrem 3. Exit from dump1 minute1 mrem/h0.017 mrem Total accumulated dose (one person) : 1.2 mrem (Two sample exchanges are expected per day.) (to be reviewed for radiation safety)

  4. Radiation Safety Considerations Removal of dump:4 days of continuous operation at 100 W 10 hours of cooling time durationdose rateaccumulated dose 1. Access to dump1 minute 0.1 mrem/h0.0017 mrem 2. Removal of dump 10 minutes20 mrem/h3.3 mrem 3. Exit from dump1 minute0.1 mrem/h0.0017 mrem Total accumulated dose (one person) : 3.3 mrem (to be reviewed for radiation safety)

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