Question: I4 8. A simulator shielding calculation is to be performed. Exposure rate at 1 m from the source is 0.01 R/mAs. W = 600 mA-hr/wk.

8. A simulator shielding calculation is to be performed. Exposure rate at 1 m from the source is 0.01 R/mAs. W = 600 mA-hr/wk. The use factor is 0.25, the distance to the calculation point located behind a controlled area is 3 m. How many TVL's are needed to keep the exposure rate at the calc point at the required exposure limit? A. 5 B. 4 C. 6 D. 7 E. 8

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