NRC Generic Letter 78-21, Transmitting NUREG/CR-0181 Concerning Barrier & Penetration Data Needed for Physical Security System Assessment
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July 18, 1978
All Power Reactor Licensees and Applicants with Docketed Applications To Construct or Operate a Power Reactor
Gentlemen:
This letter and enclosed NUREG/CR-0181 are being sent to all licensees authorized to operate a nuclear power reactor and to all applicants with applications for a license to operate or construct a power reactor.
NUREG/CR-0181 provides basic barrier and penetration data needed for physical security system assessment. The data provided in the NUREG is being used by NRC during the reactor safeguards review process.
Additional copies of this document can be obtained from the National Technical Information Service, Springfield, Virginia 22161, at current prices.
Sincerely,
James R. Miller, Assistant Director for Reactor Safeguards Division of Operating Reactors
Enclosure:
cc Without enclosure:
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