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Responds to 860321 ltr re NRC 860205 interim guidance to regions on inadvisability of using unsealed sources of radioactive matl during emergency preparedness exercises. Guidance should not prohibit use of thorium lantern mantles.

Accession Number: ML20198B122

Date Released: Thursday, July 30, 2020

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• ML20198B118 - Responds to 860321 ltr re NRC 860205 interim guidance to regions on inadvisability of using unsealed sources of radioactive matl during emergency preparedness exercises. Guidance should not prohibit use of thorium lantern mantles. (2 page(s), 5/14/1986)
• ML20198S191 - Forwards info re contamination during Nov 1985 emergency exercise & discusses guidance for use of radioactive matls during exercises.Guidance will be provided pending NMSS & FEMA coordination.W/o encls. (2 page(s), 2/5/1986)