Unauthorized Individuals Manipulating Controls and Performing Control Room ActivitiesML031150277 |
Person / Time |
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Site: |
Beaver Valley, Millstone, Hatch, Monticello, Calvert Cliffs, Dresden, Davis Besse, Peach Bottom, Browns Ferry, Salem, Oconee, Mcguire, Nine Mile Point, Palisades, Palo Verde, Perry, Indian Point, Fermi, Kewaunee, Catawba, Harris, Wolf Creek, Saint Lucie, Point Beach, Oyster Creek, Watts Bar, Hope Creek, Grand Gulf, Cooper, Sequoyah, Byron, Pilgrim, Arkansas Nuclear, Three Mile Island, Braidwood, Susquehanna, Summer, Prairie Island, Columbia, Seabrook, Brunswick, Surry, Limerick, North Anna, Turkey Point, River Bend, Vermont Yankee, Crystal River, Haddam Neck, Ginna, Diablo Canyon, Callaway, Vogtle, Waterford, Duane Arnold, Farley, Robinson, Clinton, South Texas, San Onofre, Cook, Comanche Peak, Yankee Rowe, Maine Yankee, Quad Cities, Humboldt Bay, La Crosse, Big Rock Point, Rancho Seco, Zion, Midland, Bellefonte, Fort Calhoun, FitzPatrick, McGuire, LaSalle, 05000000, Zimmer, Fort Saint Vrain, Shoreham, Satsop, Trojan, Atlantic Nuclear Power Plant |
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Issue date: |
05/05/1988 |
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From: |
Rossi C Office of Nuclear Reactor Regulation |
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To: |
|
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References |
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IN-88-020, NUDOCS 8804290106 |
Download: ML031150277 (7) |
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Similar Documents at Beaver Valley, Millstone, Hatch, Monticello, Calvert Cliffs, Dresden, Davis Besse, Peach Bottom, Browns Ferry, Salem, Oconee, Mcguire, Nine Mile Point, Palisades, Palo Verde, Perry, Indian Point, Fermi, Kewaunee, Catawba, Harris, Wolf Creek, Saint Lucie, Point Beach, Oyster Creek, Watts Bar, Hope Creek, Grand Gulf, Cooper, Sequoyah, Byron, Pilgrim, Arkansas Nuclear, Three Mile Island, Braidwood, Susquehanna, Summer, Prairie Island, Columbia, Seabrook, Brunswick, Surry, Limerick, North Anna, Turkey Point, River Bend, Vermont Yankee, Crystal River, Haddam Neck, Ginna, Diablo Canyon, Callaway, Vogtle, Waterford, Duane Arnold, Farley, Robinson, Clinton, South Texas, San Onofre, Cook, Comanche Peak, Yankee Rowe, Maine Yankee, Quad Cities, Humboldt Bay, La Crosse, Big Rock Point, Rancho Seco, Zion, Midland, Bellefonte, Fort Calhoun, FitzPatrick, McGuire, LaSalle, 05000000, Zimmer, Fort Saint Vrain, Shoreham, Satsop, Trojan, Atlantic Nuclear Power Plant |
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Category:NRC Information Notice
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Mclaughlin on NRC, Regarding NRC Information Notice 2006-13: Groundwater Contamination2006-07-13013 July 2006 E-mail from M. Mclaughlin on NRC, Regarding NRC Information Notice 2006-13: Groundwater Contamination 2020-09-03 The following query condition could not be considered due to this wiki's restrictions on query size or depth: <code> [[:Beaver Valley]] OR [[:Millstone]] OR [[:Hatch]] OR [[:Monticello]] OR [[:Calvert Cliffs]] OR [[:Dresden]] OR [[:Davis Besse]] OR [[:Peach Bottom]] OR [[:Browns Ferry]] OR [[:Salem]] OR [[:Oconee]] OR [[:Mcguire]] OR [[:Nine Mile Point]] OR [[:Palisades]] OR [[:Palo Verde]] OR [[:Perry]] OR [[:Indian Point]] OR [[:Fermi]] OR [[:Kewaunee]] OR [[:Catawba]] OR [[:Harris]] OR [[:Wolf Creek]] OR [[:Saint Lucie]] OR [[:Point Beach]] OR [[:Oyster Creek]] OR [[:Watts Bar]] OR [[:Hope Creek]] OR [[:Grand Gulf]] OR [[:Cooper]] OR [[:Sequoyah]] OR [[:Byron]] OR [[:Pilgrim]] OR [[:Arkansas Nuclear]] OR [[:Three Mile Island]] OR [[:Braidwood]] OR [[:Susquehanna]] OR [[:Summer]] OR [[:Prairie Island]] OR [[:Columbia]] OR [[:Seabrook]] OR [[:Brunswick]] OR [[:Surry]] OR [[:Limerick]] OR [[:North Anna]] OR [[:Turkey Point]] OR [[:River Bend]] OR [[:Vermont Yankee]] OR [[:Crystal River]] OR [[:Haddam Neck]] OR [[:Ginna]] OR [[:Diablo Canyon]] OR [[:Callaway]] OR [[:Vogtle]] OR [[:Waterford]] OR [[:Duane Arnold]] OR [[:Farley]] OR [[:Robinson]] OR [[:Clinton]] OR [[:South Texas]] OR [[:San Onofre]] OR [[:Cook]] OR [[:Comanche Peak]] OR [[:Yankee Rowe]] OR [[:Maine Yankee]] OR [[:Quad Cities]] OR [[:Humboldt Bay]] OR [[:La Crosse]] OR [[:Big Rock Point]] OR [[:Rancho Seco]] OR [[:Zion]] OR [[:Midland]] OR [[:Bellefonte]] OR [[:Fort Calhoun]] OR [[:FitzPatrick]] OR [[:McGuire]] OR [[:LaSalle]] OR [[:05000000]] OR [[:Zimmer]] OR [[:Fort Saint Vrain]] OR [[:Shoreham]] OR [[:Satsop]] OR [[:Trojan]] OR [[:Atlantic Nuclear Power Plant]] </code>.
[Table view]The following query condition could not be considered due to this wiki's restrictions on query size or depth: <code> [[:Beaver Valley]] OR [[:Millstone]] OR [[:Hatch]] OR [[:Monticello]] OR [[:Calvert Cliffs]] OR [[:Dresden]] OR [[:Davis Besse]] OR [[:Peach Bottom]] OR [[:Browns Ferry]] OR [[:Salem]] OR [[:Oconee]] OR [[:Mcguire]] OR [[:Nine Mile Point]] OR [[:Palisades]] OR [[:Palo Verde]] OR [[:Perry]] OR [[:Indian Point]] OR [[:Fermi]] OR [[:Kewaunee]] OR [[:Catawba]] OR [[:Harris]] OR [[:Wolf Creek]] OR [[:Saint Lucie]] OR [[:Point Beach]] OR [[:Oyster Creek]] OR [[:Watts Bar]] OR [[:Hope Creek]] OR [[:Grand Gulf]] OR [[:Cooper]] OR [[:Sequoyah]] OR [[:Byron]] OR [[:Pilgrim]] OR [[:Arkansas Nuclear]] OR [[:Three Mile Island]] OR [[:Braidwood]] OR [[:Susquehanna]] OR [[:Summer]] OR [[:Prairie Island]] OR [[:Columbia]] OR [[:Seabrook]] OR [[:Brunswick]] OR [[:Surry]] OR [[:Limerick]] OR [[:North Anna]] OR [[:Turkey Point]] OR [[:River Bend]] OR [[:Vermont Yankee]] OR [[:Crystal River]] OR [[:Haddam Neck]] OR [[:Ginna]] OR [[:Diablo Canyon]] OR [[:Callaway]] OR [[:Vogtle]] OR [[:Waterford]] OR [[:Duane Arnold]] OR [[:Farley]] OR [[:Robinson]] OR [[:Clinton]] OR [[:South Texas]] OR [[:San Onofre]] OR [[:Cook]] OR [[:Comanche Peak]] OR [[:Yankee Rowe]] OR [[:Maine Yankee]] OR [[:Quad Cities]] OR [[:Humboldt Bay]] OR [[:La Crosse]] OR [[:Big Rock Point]] OR [[:Rancho Seco]] OR [[:Zion]] OR [[:Midland]] OR [[:Bellefonte]] OR [[:Fort Calhoun]] OR [[:FitzPatrick]] OR [[:McGuire]] OR [[:LaSalle]] OR [[:05000000]] OR [[:Zimmer]] OR [[:Fort Saint Vrain]] OR [[:Shoreham]] OR [[:Satsop]] OR [[:Trojan]] OR [[:Atlantic Nuclear Power Plant]] </code>. |
UNITED STATES
NUCLEAR REGULATORY COMMISSION
OFFICE OF NUCLEAR REACTOR REGULATION
WASHINGTON, D.C. 20555 May 5, 1988 NRC INFORMATION NOTICE NO. 88-20: UNAUTHORIZED INDIVIDUALS MANIPULATING
CONTROLS AND PERFORMING CONTROL ROOM
ACTIVITIES
Addressees
All holders of operating licenses or construction permits for nuclear power, test and research reactors, and all licensed operators.
Purpose
This information notice is being provided to alert addressees to potential
problems resulting from unauthorized persons manipulating controls and per- forming control room activities. It is expected that recipients will review
the information for applicability to their facilities and consider actions, as appropriate, to avoid similar problems. However, no specific action or
written response is required.
Description of Circumstances
On September 13, 1987, with Turkey Point Unit 3 at 30% power, a non-licensed
individual (who was not enrolled in an operator training program) under the
direct supervision of a licensed operator turned the reactor control make-up
switch to "start" on two occasions in close succession. At the time of the
event, a 30% power flux map was in progress. Negative reactivity was being
added to the reactor because of xenon buildup. To minimize flux distortion, control rod motion was being minimized, and the negative reactivity insertion
from the xenon buildup was being countered by lowering the boron concentration
in the RCS (dilution). The dilution was being performed by periodically adding
preset quantities of non-borated water to the RCS. The licensed operator preset
the non-borated water quantity to 30 gallons, then permitted the non-licensed
individual to turn the reactor control make-up switch to the "start" position.
The system response to the 30-gallon dilution was not sufficient, and the above
evolution was repeated, with the non-borated water quantity preset by the
licensed operator at 20 gallons. The licensed operator directly supervised
both dilutions. This event is discussed further in Licensee Event Report
(LER) 250/87-024 (Voluntary Report).
8804290106
IN 88-2n -<'
May 5, 1988 The NRC resident Inspectors at Braidwood were informed of a similar event by
that facility's licensee. An individual licensed at another facility (but
not enrolled in an operator training program) was temporarily contracted to
Braidwood as an equipment attendant. On September 20, 1987, this individual
was allowed to manipulate the controls on the Unit 1 reactor for a dilution
of the RCS and for a control rod movement.
No serious consequences occurred from either of these events. However, these
incidents are contrary to the requirements of 10 CFR 50.54(i) and 10 CFR 55.3 because these actions directly affected the reactivity and power of the re- actor, and the individuals performing the actions did not meet the exemption
requirements of 10 CFR 55.13. (10 CFR 55.13 allows an Individual, under the
direction and in the presence of a licensed operator, to manipulate the controls
of a facility as a part of the Individual's training in a facility licensee's
training program.) Because neither individual was enrolled in an approved
operator training program, the exemption requirements of 10 CFR 55.13 were
not satisfied.
Discussion:
The events discussed above are contrary to 10 CFR Parts 50 and 55.
Addressees
may wish to ensure that they are familiar with these requirements. In addi- tion, the requirements of 10 CFR Part 55 were revised in 1987 and made effec-
-t-tve-on- May-26-1,-1987---These-rev-sions-j-as-weT-I-as-other-relevant-fnformationj--
are discussed in NUREG-1262, "Answers to Questions at Public Meetings Regarding
Implementation of Title 10, Code of Federal Regulations, Part 55 on Operators'
Licenses," published in November 1987.* A copy of this document was provided
to all power and non-power reactor licensees and applicants for licenses by
Generic Letter 87-16.
Addressees
who have not already done so may wish to
obtain and review a copy of NUREG-1262 to ensure that they are familiar with
the revisions made to 10 CFR Part 55.
The NRC has required individuals licensed at near-term operating license (NTOL)
facilities to obtain operational experience at like facilities through coopera- tive arrangements. Nothing in this Information notice is intended to preclude
such arrangements.
- A copy of NUREG-1262 can be ordered by writing to the Superintendent of
Documents, U.S. Government Printing Office, Post Office Box 37082, Washington, D.C. 20013-7082, or by callinc (202) 275-2060.
IN 88-?0
May 5, 1988 No specific action or written response is required by this information notice.
If you have any questions about this matter, please contact the technical
contact listed below or the Regional Administrator of the appropriate regional
office.
sE.Ros frector
Division of Operational Events Assessment
Office of Nuclear Reactor Regulation
Technical Contact:
John N. Hannon, NRR
(301) 492-1031 Attachment: List of Recently Issued NRC Information Notices
Attachment
TM PR-20
May 5 1988 Page i of 1 LIST OF RECENTLY ISSUED
NPC INFOPPATION NOTICES
TInfrormat1ott Uate or
Notice No. Subject Issuance Issued to
88-19 Questionable Certification 4/26/88 All holders of OLs
of Class lE Components or CPs for nuclear
power reactors.
8f-18 Malfunction of Lockbox on 4/25/88 All NRClicensees
Radiography Device authorized to
manufacture, distribute, and/or operate radio- graphic exposure
devices.
88-17 Summary of Responses to NRC 4/22/88 All holders of OLs
Bulletin 87-01, "Thinning of or CPs for nuclear
Pipe Valls in Nuclear Power power reactors.
Plants"
88-16 Identifying Waste Generators 4/22/88 Radioactive waste
in Shipments of Low-Level collection and
Waste to Land Disposal service conpany
Facil ities licensees handling
prepackaged waste, and licensees operating
low-level waste
disposal facilities.
a8-1S Availability of U.S. Food 4/18/88 Medical, Academic.
and Drug Administration and Conmercial
(FDA)-Agproved Potassium licensees who possess
Iodide for Use In Emergencies radioactive Iodine.
Involving Radioactive Iodine
R8-14 Potential Problems with 4/18/88 All holders of OLs
Electrical Relays or CPs for nuclear
power reactors.
-M TtaterHWanmer and Possible /18/88 All hTdsers-oftra
Piping Damage Caused by or CPs for nuclear
Misapplication of terotest power reactors.
Packless Metal Diaphragm
Globe Valves
OL - Operating License
CP
UNITED STATES FIRST CtASS MAIL
POSTAGE b FEES PAID
NUCLEAR REGULATORY COMMISSION USNRC
WASHINGTON, D.C. 20555 PERMtT No. Cta7 OFFICIAL 8USINESS
PENALTY FOR PRIVATE USE. S300
IN 88-20
May 5, 1988 No specific action or written response is required by this information notice.
If you have any questions about this matter, please contact the technical
contact listed below or the Regional Administrator of the appropriate regional
office.
Charles E. Rossi, Director
Division of Operational Events Assessment
Office of Nuclear Reactor Regulation
Technical Contact:
John N. Hannon, NRR
(301) 492-1031 Attachment: List of Recently Issued NRC Information Notices
- SEE PREVIOUS CONCURRENCES
CHBerlirnger
04nt4?88 04/28/88
- OGCB:DOEA:NRR *LOLB:DLPQ:NRR *LOLB:DLPQ:NR.R*D7DOPQ:NRR *PPMB:ARM
JRamsey IWiens JHannon JRoe TechEd
04/25/88 04/22/88 04/22/88 04/26/88 02/17/88
IN 88-XX
April xx, 1988 No specific action or written response is required by this information notice.
If you have any questions about this matter, please contact the technical
contact listed below or the Regional Administrator of the appropriate regional
office.
Charles E. Rossi, Director
Division of Operational Events Assessment
Office of Nuclear Reactor Regulation
Technical Contact:
John N. Hannon, NRR
(301) 492-1031 Attachment: List of Recently Issued NRC Information Notices
- SEE PREVIOUS CONCURRENCES
D/DOEA:NRR C44'>A: NRR
CERossi CHBerlinger
04/ /88 04 8 OGC g NRR LOL PLPQ:NRR LOLB 1 Q:NRR D/ DjQ:NRR *PPMB:ARM
JRa'm~y IWiens JHannon JRoi TechEd
04/ ?88 04/'J /88 04y- /88 04/ /88 02/17/88
IN 88-xx
February xx, 1988 individual was allowed to manipulate the controls on the Unit 1 reactor for a
dilution of the RCS, and for a control rod movement.
No serious consequences occurred from these events; however, these incidents
appear to be contrary to the requirements of 10 CFR 50.54.j and 10 CFR 55.3 since these actions directly affected the reactivity and power of the reactor, and the individuals performing the actions did not meet the exemption require- ments of 10 CFR 55.13 (10 CFR 55.13 allows an individual, under the direction
and in the presence of a licensed operator or senior operator, to manipulate
the controls of a facility as a part of the individual's training in a facility
licensee's training program). Since neither individual was enrolled in an
approved operator training program at the affected facility, it appears that
the the exemption requirements of 10 CFR 55.13 were not satisfied.
Discussion:
The requirements of 10 CFR Part 55 were revised in 1987, and made effective on
May 26, 1987. The occurrence of these events indicates that addressees need to
be reminded of the revisions that were made to 10 CFR Part 55. The revisions, as well as other relevant information, are discussed in NUREG-1262, "Answers to
Questions at Public Meetings Regarding Implementation of Title 10, Code of
Federal Regulations, Part 55 on Operators" Licenses," published in November
1987,* a copy of which was provided to all power and non-power reactor
licensees and applicants for licenses by Generic Letter 87-16.
Addressees
that
have not already done so may wish to obtain and review a copy of NUREG-1262 to
ensure compliance with the requirements of 10 CFR Part 55. In addition, it is
recognized that the NRC has required individuals licensed at near term operat- ing license (NTOL) facilities to obtain operational experience at like facili- ties through cooperative arrangements. Nothing in this Information Notice is
intended to preclude such arrangements.
No specific action or written response is required by this information notice.
If you have any questions about this matter, please contact the technical
contact listed below or the Regional Administrator of the appropriate regional
office.
Charles E. Rossi, Director
Division of Operational Events Assessment
Office of Nuclear Reactor Regulation
Technical Contact:
John N. Hannon, NRR
(301) 492-1031 Attachment: List of Recently Issued NRC Information Notices
- A copy of NUREG-1262 can be ordered by writing the Superintendent of
Documents, U.S. Government Printing Office, Post Office Box 37082, Washington, D.C. 20013-7082, or by calling (202) 275-2060.
D/DOEA:NRR C/OGCB:DOEA:NRR PPMB:ARM
CERossi CHBerlinger TechEd &
02/ /88 02/ /88 02/l1/88 OGCB:DOEA:NRR LOLB:DLPQ:NRR LOLB:DLPQ:NRR D/DLPQ:NRR OGC
JRamsey LWiens JHannon JRoe
02/ /88 02/ /88 02/ /88 02/ /88 02/ /88
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list | - Information Notice 1988-01, Safety Injection Pipe Failure (27 January 1988, Topic: Unidentified leak, Water hammer)
- Information Notice 1988-03, Cracks in Shroud Support Access Hole Cover Welds (2 February 1988, Topic: Stolen)
- Information Notice 1988-04, Inadequate Qualification and Documentation of Fire Barrier Penetration Seals (5 February 1988, Topic: Fire Barrier, Fire Watch, Stolen)
- Information Notice 1988-05, Fire in Annunciator Control Cabinets (12 February 1988, Topic: Stolen)
- Information Notice 1988-06, Foreign Objects in Steam Generators (29 February 1988, Topic: Stolen)
- Information Notice 1988-07, Inadvertent Transfer of Licensed Material to Uncontrolled Locations (7 March 1988, Topic: Stolen)
- Information Notice 1988-08, Chemical Reactions with Radioactive Waste Solification Agents (14 March 1988, Topic: Process Control Program, Stolen)
- Information Notice 1988-09, Reduced Reliability of Steam-Driven Auxiliary Feedwater Pumps Caused by Instability of Woodward PG-PL Type Governors (18 March 1988)
- Information Notice 1988-10, Memo of Understanding Between NRC and OSHA Relating to NRC-Licensed Facilities (53 FR 43950, October 31, 1988) (23 December 1988)
- Information Notice 1988-10, Memo of Understanding Between NRC and OSHA Relating to NRC-Licensed Facilities (53 Fr 43950, October 31, 1988) (23 December 1988, Topic: Fatality, Overexposure)
- Information Notice 1988-10, Memorandum of Understanding Between NRC and Osha Relating to NRC-Licensed Facilities (53 Fr 43950, October 31, 1988. (23 December 1988, Topic: Fatality, Overexposure)
- Information Notice 1988-11, Potential Loss of Motor Control Center And/Or Switchboard Function Due to Faulty Tie Bolts (7 April 1988)
- Information Notice 1988-12, Overgreasing of Electric Motor Bearings (12 April 1988)
- Information Notice 1988-13, Water Hammer & Possible Piping Damage Caused by Misapplication of Kerotest Packless Metal Diaphragm Globe Valves (18 April 1988)
- Information Notice 1988-14, Potential Problems with Electrical Relays (18 April 1988)
- Information Notice 1988-15, Availability of Us Food & Drug Administration (FDA) Approved Potassium Iodide for Use in Emergencies Involving Radioactive Iodine (18 April 1988)
- Information Notice 1988-15, Availability of Us Food & Drug Administration (Fda) Approved Potassium Iodide for Use in Emergencies Involving Radioactive Iodine (18 April 1988)
- Information Notice 1988-16, Identify Waste Generators in Shipments of Low-Level Waste to Land Disposal Facilities (22 April 1988, Topic: Water hammer)
- Information Notice 1988-17, Summary of Responses to NRC Bulletin 87-01, Thinning of Pipe Walls in Nuclear Power Plants. (22 April 1988, Topic: Safe Shutdown, Weld Overlay, Feedwater Heater, Through-Wall Leak, Water hammer)
- Information Notice 1988-18, Malfunction of Lockbox on Radiography Device (25 April 1988, Topic: Overexposure)
- Information Notice 1988-19, Questionable Certification of Class Ie Components (26 April 1988, Topic: Water hammer)
- Information Notice 1988-19, Questionable Certification of Class IE Components (26 April 1988)
- Information Notice 1988-20, Unauthorized Individuals Manipulating Controls and Performing Control Room Activities (5 May 1988)
- Information Notice 1988-21, Inadvertent Criticality Events at Oskarshamn and at U.S. Nuclear Power Plants (9 May 1988, Topic: Shutdown Margin)
- Information Notice 1988-22, Disposal of Sludge from Onsite Sewage Treatment Facilities at Nuclear Power Stations (12 May 1988)
- Information Notice 1988-23, Potential for Gas Binding of High-Pressure Safety Injection Pumps During a Loss-Of-Coolant Accident (12 May 1988)
- Information Notice 1988-24, Failures of Air-Operated Valves Affecting Safety-Related Systems (13 May 1988)
- Information Notice 1988-25, Minimum Edge Distance for Expansion Anchor Bolts (16 May 1988, Topic: Earthquake)
- Information Notice 1988-26, Falsified Pre-Employment Screening Records (16 May 1988)
- Information Notice 1988-27, Deficient Electrical Terminations Identified in Safety-Related Components (18 May 1988)
- Information Notice 1988-28, Potential for Loss of Post-Loca Recirculation Capability Due to Insulation Debris Blockage (19 May 1988, Topic: Coatings)
- Information Notice 1988-29, Deficiencies in Primary Containment Low-Voltage Electrical Penetration Assemblies (24 May 1988)
- Information Notice 1988-30, Target Rock Two-State SRV Setpoint Drift Update (25 May 1988)
- Information Notice 1988-31, Steam Generator Tube Rupture Analysis Deficiency (25 May 1988)
- Information Notice 1988-32, Prompt Reporting to NRC of Significant Incidents Involving Radioactive Material (25 May 1988)
- Information Notice 1988-33, Recent Problems Involving the Model Spec 2-T Radiographic Exposure Device (27 May 1988)
- Information Notice 1988-34, Nuclear Material Control & Accountability of Non-Fuel Special Nuclear Material at Power Reactors (31 May 1988)
- Information Notice 1988-36, Possible Sudden Loss of RCS Inventory During Low Coolant Level Operation (8 June 1988)
- Information Notice 1988-37, Flow Blockage of Cooling Water to Safety System Components (14 June 1988, Topic: Ultimate heat sink)
- Information Notice 1988-38, Failure of Undervoltage Trip Attachment of General Electric Circuit Breakers (15 June 1988)
- Information Notice 1988-39, Loss of Recirculation Pumps with Power Oscillation Event (15 June 1988)
- Information Notice 1988-40, Examiners' Handbook for Developing Operator Licensing Examinations (22 June 1988)
- Information Notice 1988-41, Physical Protection Weaknesses Identified Through Regulatory Effectiveness Reviews (RERs) (22 June 1988)
- Information Notice 1988-41, Physical Protection Weaknesses Identified Through Regulatory Effectiveness Reviews (Rers) (22 June 1988)
- Information Notice 1988-42, Circuit Breaker Failures Due to Loose Charging Spring Motor Mounting Bolts (23 June 1988, Topic: Loctite)
- Information Notice 1988-43, Solenoid Valve Problems (23 June 1988, Topic: Stroke time)
- Information Notice 1988-44, Mechanical Binding of Spring Release Device in Westinghouse Type DS-416 Circuit Breakers (24 June 1988)
- Information Notice 1988-45, Problems in Protective Relay & Circuit Breaker Coordination (7 July 1988, Topic: Safe Shutdown)
- Information Notice 1988-46, Licensee Report of Defective Refurbished Circuit Breakers (8 July 1988)
- Information Notice 1988-47, Slower-than-Expected Rod-drop Times (14 July 1988)
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