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Chernobyl Nuclear Accident Congressional Hearings Transcript

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Question 4: In designing evacuation plans, how large is the emergency<br />

planning zone used by the L)OE?<br />

Answer: The emergency planning zones (EPZ) for DOE reactors vary<br />

considerably depending on the size, type, and location of the<br />

reactor. The larger production reactors at Hanford and<br />

Savannah River have EPZs equivalent to the 10 miles required<br />

for licensed power reactors. Rather than adopting an arbitrary<br />

distance, DOE's EPZs are based on realistic accident sequences<br />

and consequences, using a dose criteria of 5 rem whole body and<br />

25 rem thyroid which is derived from the EPA protective action<br />

guides which are also used by the NRC and FEMA.

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