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Alert

Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

Circulars - 1981 Index

Document Number Title Revision Publish Date Reviewed Date
CR-81-15 Unnecessary Radiation Exposures to the Public and Workers During Events Involving Thickness and Level Measuring Devices -- 12/08/1981 --
CR-81-14 Main Steam Isolation Valve Failures to Close -- 11/05/1981 --
CR-81-13 Torque Switch Electrical Bypass Circuit for Safeguard Service Valve Motors -- 09/25/1981 --
CR-81-12 Inadequate Periodic Test Procedure of PWR Reactor Protection System -- 07/22/1981 --
CR-81-11 Inadequate Decay Heat Removal During Reactor Shutdown -- 07/24/1981 --
CR-81-10 Steam Voiding in the Reactor Coolant System During Decay Heat Removal Cooldown -- 07/02/1981 --
CR-81-09 Containment Effluent Water that Bypasses Radioactivity Monitor -- 07/10/1981 --
CR-81-08 Foundation Materials -- 05/29/1981 --
CR-81-07 Control of Radioactively Contaminated Material -- 05/14/1981 --
CR-81-06 Potential Deficiency Affecting Certain Foxboro 10 to 50 Milliampere Transmitters -- 04/14/1981 --
CR-81-05 Self-Aligning Rod End Bushings for Pipe Supports -- 03/31/1981 --
CR-81-04 The Role of Shift Technical Advisors and Importance of Reporting Operational Events -- 04/30/1981 --
CR-81-03 Inoperable Seismic Monitoring Instrumentation -- 03/02/1981 --
CR-81-02 Performance of NRC-Licensed Individuals while on Duty -- 02/09/1981 --
CR-81-01 Design Problems Involving Indicating Pushbutton Switches Manufactured by Honeywell Incorporated -- 01/23/1981 --

Page Last Reviewed/Updated Tuesday, March 09, 2021

Page Last Reviewed/Updated Tuesday, March 09, 2021