Transmitting NUREG/CR-0181 Concerning Barrier & Penetration Data Needed For Physical Security System Assessment (Generic Letter 78-21)
GL 78-21
UNITED STATES
NUCLEAR REGULATORY COMMISSION
WASHINGTON, D.C. 20555
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:
NUREG/CR-0181
cc Without enclosure:
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