American National Standard

American National Standard

Author: American Nuclear Society. Standards Committee Working Group ANS-8.7

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ANS 8.7-1998 (R2017) is applicable to the storage of fissile materials. Mass and spacing limits are tabulated for uranium containing greater than 30 wt-% 235U, for 233U, and for plutonium, as metals and oxides. Criteria for the range of application of these limits are provided.


American National Standard

American National Standard

Author: American Nuclear Society. Standards Committee Working Group ANS-8.22

Publisher:

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ISBN-13:

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This standard applies to limiting and controlling moderators to achieve criticality safety in operations with fissile materials in a moderator control area. This standard does not apply to concentration control of fissile materials.