Page 411 - Emergency Response Book

Question: 21

Any emergency involving radioactive must be

planned to ensure that no single responder will

received a radiation dose in excess of the

recommendation limits.

What would be the maximum allowable “stay” for a

responder to response at a distance 2 meter from

unshielded sources??

• 30 Ci of Co-60

• 30 Ci Of Ir-192

Assume that the radiation intensity at 1 meter from

1Ci of Co-60 and 1Ci of Ir-192 to be 1.25R/hr and

0.5R/hr respectively?

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