Contingency Planning for the Year 2000 Computer ProblemML031040400 |
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, Fort Saint Vrain, Shoreham, Satsop, Trojan, Atlantic Nuclear Power Plant |
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Issue date: |
06/25/1999 |
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From: |
Cool D NRC/NMSS/IMNS |
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To: |
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References |
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IN-99-020, NUDOCS 9906220076 |
Download: ML031040400 (8) |
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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, 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 [[: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 [[:Fort Saint Vrain]] OR [[:Shoreham]] OR [[:Satsop]] OR [[:Trojan]] OR [[:Atlantic Nuclear Power Plant]] </code>. |
UNITED STATES
NUCLEAR REGULATORY COMMISSION
OFFICE OF NUCLEAR MATERIAL SAFETY AND SAFEGUARDS
WASHINGTON, D.C. 20555 June 25, 1999 NRC INFORMATION NOTICE 99-20: CONTINGENCY PLANNING FOR THE YEAR 2000
COMPUTER PROBLEM
Addressees
All material and fuel cycle licensees and certificate holders.
Purpose
The U.S. Nuclear Regulatory Commission (NRC) is issuing this information notice (IN) to
encourage addresses to develop Year 2000 (Y2K) contingency plans. It is expected that
recipients will review this information for applicability to their facilities and consider actions, as
appropriate, to avoid potential problems. However, suggestions contained in this IN are not
NRC requirements; therefore, no specific action nor written response is required.
Description of Circumstances
On June 14, 1999, NRC issued IN 99-18, "Update on NRC's Year 2000 Activities for Materials
Licensees and Fuel Cycle Licensees and Certificate Holders," to licensees and certificate
holders to update addressees regarding NRC's Y2K activities and provide sources of Y2K
information. IN 99-18 provided a detailed description of the Y2K problem and addressees
should refer to it for a listing of available information sources concerning Y2K issues.
The Y2K problem pertains to the potential inability of computers to correctly recognize dates
beyond December 31, 1999. This problem results from computer hardware and/or software that
uses two-digit fields to represent the year. These systems may misread the year 2000 and
cause the systems to fail, generate faulty data, or act in an incorrect manner. The Y2K problem
has the potential to interfere with the proper operation of any computer system, hardware that is
microprocessor-based (embedded software), software, or database.
The Y2K problem is urgent because it has a fixed, non-negotiable deadline that is quickly
approaching. This matter requires priority attention because of the limited time remaining to
assess the magnitude of the problem, assess its associated risks, and implement programs that
will achieve a satisfactory resolution of the Y2K problem.
Existing reporting requirements under 10 CFR Part 21 provide for notification to NRC of
deficiencies, non-conformances, and failures, such as the Y2K problem, in safety-related
systems.
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IN 99-20
June 25, 1999 NRC has placed a Y2K website on its homepage. The website can.,ts information on NRC
Y2K activities, Y2K information notices, and links to other webpages useful for helping licensees
implement their Y2K readiness program. The NRC Y2K website address is
<httD://www.nrc.gov/NRC/NEWS/vear2000.html>.
The International Atomic Energy Agency (IAEA) has published IAEA-TECDOC-1087, "Potential
Vulnerabilities of Nuclear Fuel Cycle Facilities to the Year 2000 Issue and Measures to Address
Them." This document provides helpful information for fuel cycle facilities and can be found at
the IAEA Y2K website at <http:/Aww.iaea.or.atlworidatom/orlocram/v2k>.
Discussion:
NRC staff has several concerns associated with the potential impact of the Y2K problem on
materials licensees, primarily because of the variety and types of computer systems and
software in use. Licensees need to be aware of Y2K effects on health and safety, as well as
regulatory requirements such as record-keeping. Although licensees are working to remediate
the Y2K problem, they should be developing Y2K contingency plans. In an effort to encourage
and help licensees develop Y2K contingency plans, we are providing answers to the following
frequently asked questions:
Q: What is a Y2K contingency plan?
A: Y2K contingency plan is a set of procedures to deal with difficulties that might be caused
directly or indirectly by a Y2K problem, or difficulties in which the severity of the problem is
exacerbated by a Y2K problem. Brand new contingency plans do not have to developed for
Y2K. Existing emergency procedures or disaster recovery plans can be adjusted for Y2K.
Q: Why should I worry about Y2K contingency planning?
A: Contingency planning is important for continued protection of workers, the public, and the
environment, as well as to maintain business continuity. Even licensees that have remediated
their systems for Y2K should consider developing Y2K contingency plans. The most extensive
Y2K remediation program may not have found all Y2K problems. Y2K contingency plans will
allow licensees to cope with internal Y2K problems as well as Y2K problems of business
partners and external influences such as electric power, telecommunications, or water.
Q: What do I need to consider?
A: Y2K could affect licensees' internal systems such as hardware, software, embedded
systems, and networks. Y2K could also affect external systems including electric power, telecommunications, and suppliers (national and international). Y2K contingency plans should
consider internal risks, external risks, and possible interaction between the two.
Q: What is involved in Y2K contingency planning?
A: There are four basic phases in contingency planning: initiation, impact analysis, contingency
planning, and testing.
K.>
IN 99-20
June 25, 1999 In the initiation phase, licensees should develop a master schedule, for development of the plan, and include milestones to keep contingency planning on track. Existig disaster recovery plans
or emergency procedures should be reviewed for applicability to inMtenal and external Y2K risks.
In the impact analysis phase, the Y2K internal and external risks and the effect of these risks on
mission-critical and safety systems should be identified. Also, licensees should assess the
potential impact of mission-critical and safety system failures on workers, the public, the
environment, and business continuity.
In the contingency planning phase, the contingency plan is developed and documented. As part
of this phase, the licensee determines how and when the plan will be implemented. Finally, individuals who will implement the contingency plan and fix Y2K problems as they occur should
be identified.
In the testing phase, the team ensures that the contingency plan will provide adequate
protection to workers, the public, and the environment, as well as ensure business continuity.
Tests of the contingency plan are developed and conducted. Finally, disaster recovery plans
and procedures should be updated to include the Y2K contingency plan
Q. Where can I receive help?
A. The U.S. General Accounting Office (GAO) has published a contingency planning guide,
"Year 2000 Computing Crisis: Business Continuity and Contingency Planning," dated
August 1998. The guide describes four phases of Y2K business contingency planning structure:
initiation, business impact analysis, contingency planning, and testing. The guide can be found
on the Internet at <http:/1www.aao.gov/v2kr.htm>.
The Department of Veterans Affairs, Veterans Health Administration, has developed a
contingency planning document, "Patient-Focused Y2K Contingency Planning Guidebook.' The
guidebook can be found on the Internet at<htto:/vwww.va.aov>.
In an effort to provide the public with Y2K information, the President's Council on Year 2000
Conversion website has information regarding Y2K and the Federal Government's efforts to
prepare its computer systems, links to information on Y2K compliance for critical sectors of the
economy, and other Y2K resources. In addition, the Council has established a Y2K consumer
information line at 1-888-USA-4-Y2K which provides free Y2K information. The information at
this website or through the information line may useful in determining external Y2K risks and
developing contingency plans.
IN 99-20
June 25, 1999 This information notice requires no specific action nor written response. If you have any
questions about the information in this notice, please contact the technical contacts listed below, or the appropriate regional office.
Donald A. Cool, Director
Division of Industrial and Medical
Nuclear Safety
Office of Nuclear Material Safety
and Safeguards
Contacts: Gary Purdy, NMSS
301-415-7897 E-mail: gwpl@nrc.gov
Harry Felsher, NMSS
301-415-5521 E-mail: hdf@nrc.gov
Attachments:
1. List of Recently Issued NMSS Information Notices
2. List of Recently Issued NRC Information Notices x lt4- A
K-I
Attachment 1 IN 99-20
June 25, 1999 LIST OF RECENTLY ISSUED
NMSS INFORMATION NOTICES
Information Date of
Notice No. Subject Issuance Issued to
99-18 Update on NRC's Year 2000 6/14/99 All material and fuel cycle
Activities for Materials Licensees licensees and certificate
and Fuel Cycle Licensees and holders
Certificate Holders
99-16 Federal Bureau of Investigation's 5/28 All U.S. Nuclear Regulatory
Nuclear Site Security Program Commission fuel cycle, power
reactor, and non-power reactor
licensees
99-11 Incident Involving the Use of 4/16/99 All medical use licensees
Radioactive Iodine-131
99-09 Problems Encountered When 3/24/99 All medical licensees authorized
Manually Editing treatment Data to conduct high-dose-rate (HDR)
on the Nucletron Microselectron- remote after loading
HDR (New) Model 105-999 brachytherapy treatments
99-06 1998 Enforcement Sanctions as 3/19/99 All U. S. Nuclear Regulatory
a Result of Deliberate Violations Commission licensees.
of NRC Employee Protection
Requirements
99-05 Inadvertent Discharge of Carbon 3/8/99 All holders of licenses for nuclear
Dioxide Fire Protection System power, research, and test reactor, and Gas Migration and fuel cycle facilities
99-04 Unplanned Radiation Exposures 3/8/99 All radiography licensees
to Radiographers, Resulting from
failures to follow Proper Radiation
Safety Procedures
99-03 Exothermic Reactions Involving 1/29/99 All operating uranium recovery
Dried Uranium Oxide Powder facilities that produce oxide
(Yellowcake) powder (U308 ) (yellowcake)
99-02 Guidance to Users on the 1/21/99 All medical licensees authorized to
Implementation of a New conduct brachytherapy
Single-Source Dose- treatments
Calculation Formalism and Revised
Air-Kerma Strength Standard
for lodine-1 25 Sealed Sources
- /
Attachment 2 IN 99-20
June 25, 1999 Page 1 of I
LIST OF RECENTLY ISSUED
NRC INFORMATION NOTICES
Information Date of
Notice No. Subject Issuance Issued to
99-19 Rupture of the Shell Side of a 6/23/99 All holders of operating licenses
Feedwater Heater at the Point or construction permits for nuclear
Beach Nuclear Plant power reactors
99-18 Update on NRC's Year 2000 6/14/99 All material and fuel cycle
Activities for Materials Licensees licensees and certificate holders
and Fuel Cycle Licensees and
Certificate Holders
99-17 Problems Associated with Post-Fire 6/3/99 All holders of OL for nuclear
Safe-Shutdown Circuit Analyses power reactors, except those who
have permanently ceased
operations and have certified that
the fuel has been permanently
removed from the reactor
99-16 Federal Bureau of Investigation's 5/28 All U.S. Nuclear Regulatory
Nuclear Site Security Program Commission fuel cycle, power
reactor, and non-power reactor
licensees
99-15 Misapplication of 10 CFR Part 71 5/27/99 All holders of operating licenses or
Transportation Shipping Cask construction permits for nuclear
Licensing Basis to 10 CFR Part 50 power reactors
Design Basis
99-14 Unanticipated Reactor Water 5/5/99 All holders of licenses for nuclear
Draindown at Quad Cities Unit 2, power, test, and research reactors
Arkansas Nuclear One Unit 2 and Fitzpatrick
99-13 Insights from NRR Inspections 4/29/99 All holders of operating licenses
of Low-and Medium-Voltage for nuclear power reactors
Circuit Breaker Maintenance
Programs
OL = Operating License
CP = Construction Permit
' 99-20
June 25, 1999 This information notice requires no specific action nor written response. If you have any
questions about the information in this notice, please contact the technical contacts listed below, or the appropriate regional office.
/5/
Donald A. Cool, Director
Division of Industrial and Medical
Nuclear Safety
Office of Nuclear Material Safety
and Safeguards
Contacts: Gary Purdy, NMSS
301-415-7897 E-mail: gwpl@nrc.gov
Harry Felsher, NMSS
301-415-5521 E-mail: hdf~nrc.gov
Attachments:
1. List of Recently Issued NMSS Information Notices
2. List of Recently Issued NRC Information Notices
Document: G:\Purdy\y2kcinin.wpd
OFFICE MSIB*IC NMSS* I MSlB* I N MSIB* I N FCSS* I N IMNS* I
NAME GPurdy/iucy EKraus SMoore LCamper ETenEyck DCool
DATE 5/4/99 4/26/99 514/99 5/7/99 6/17/99 6/21/99 OFFICIAL RECORD COPY
Q. Where can I receive help?
A. The U.S. General Accounting Office (GAO) has published a contingency planning guide, uYear 2000 Computing Crisis: Business Continuity and Contingen cy Planning,' dated August
1998. The guide describes four phases of Y2K business contingency planning structure:
initiation, business impact analysis, contingency planning, and testing. The guide can be found
on the Internet at <http:/h/ww.gao.gov/y2kr.htm>.
/
The Department of Veterans Affairs, Veterans Health Administration, has developed a
contingency planning document, "Patient-Focused Y2K Contingency Planning Guidebook? The
guidebook can be found on the Internet at <http:/hwww.va.gov>. /
In an effort to provide the public with Y2K information, the President's Council onzy/ar 2000
Conversion website has information regarding Y2K and the Federal Governmeprit's efforts to
prepare its computer systems, links to information on Y2K compliance for critical sectors of the
economy, and other Y2K resources. In addition, the Council has establish<d a Y2K consumer
information line at 1-888-USA-4-Y2K which provides free Y2K informatip*. The information at
this website or through the information line may useful in determinin .xtemal Y2K risks and
developing contingency plans.
This information notice requires no specific action nor w en response. If you have any
questions about the information in this notice, please ontact the technical contacts listed below, or the appropriate regional office.
nald A. Cool, Director
Division of Industrial and Medical
Nuclear Safety
Office of Nuclear Material Safety
and Safeguards
Contacts: Gary Purd yNMSS
(301) 415-7897 E-maWu/gwpl @nrc.gov
JMIarry Felsher, NMSS
"(301) 415-5521 E-mail: hdf@nrc.gov
Attach nts:
1. L' of Recently Issued NMSS Information Notices
2 ist of Recently Issued NRC Information Notices
I s
OFFICE MSBI SB -MI C .q y IN
NAME GPurdy/iLu l EKraus - SMoore ILCamper fent y
DATE l 5/4/99 OFFICIAL RECORD COPY
T 4/26/99 5/4/99 5/7/99 6/1/199
- \A\s I
j 6/14 /99
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list | - Information Notice 1999-01, Deterioration of High-Efficiency Particulate Air Filters in a Pressurized Water Reactor Containment Fan Cooler Unit (20 January 1999)
- Information Notice 1999-02, Guidance to Users on the Implementation of a New Single-Source Dose-Calculation Formalism and Revised Air-Kerma Strength Standard for Iodine-125 Sealed Sources (21 January 1999, Topic: Brachytherapy)
- Information Notice 1999-03, Exothermic Reactors Involving Dried Uranium Oxide Powder (Yellowcake) (29 January 1999, Topic: Brachytherapy)
- Information Notice 1999-04, Unplanned Radiation Exposures to Radiographers, Resulting from Failures to Follow Proper Radiation Safety Procedures (1 March 1999, Topic: Brachytherapy)
- Information Notice 1999-05, Inadvertent Discharge of Carbon Dioxide Fire Protection System and Gas Migration (8 March 1999, Topic: Brachytherapy, Fatality)
- Information Notice 1999-06, 1998 Enforcement Sanctions as a Result of Deliberate Violations of NRC Employee Protection Requirements (19 March 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-06, 1998 Enforcement Sanctions As a Result of Deliberate Violations of NRC Employee Protection Requirements (19 March 1999, Topic: Enforcement Discretion)
- Information Notice 1999-07, Failed Fire Protection Deluge Valves & Potential Testing Deficiencies in Preaction Sprinkler Systems (22 March 1999, Topic: Safe Shutdown)
- Information Notice 1999-08, Urine Specimen Adulteration (26 March 1999, Topic: Brachytherapy)
- Information Notice 1999-09, Problems Encountered When Manually Editing Treatment Data on the Nucletron Microselectron-HDR (New) Model 105-999 (24 March 1999, Topic: Brachytherapy)
- Information Notice 1999-10, Degradation of Prestressing Tendon Systems in Prestresssed Concrete Containments (13 April 1999, Topic: License Renewal)
- Information Notice 1999-11, Incidents Involving the Use of Radioactive Iodine-131 (16 April 1999, Topic: Brachytherapy)
- Information Notice 1999-12, Year 2000 Computer Systems Readiness Audits (28 April 1999, Topic: Brachytherapy)
- Information Notice 1999-13, Insights from NRC Inspections of Low-and Medium-Voltage Circuit Breaker Maintenance Programs (29 April 1999, Topic: Brachytherapy)
- Information Notice 1999-14, Unanticipated Reactor Water Draindown at Quad Cities Unit 2, Arkansas Nuclear One Unit 2, & FitzPatrick (5 May 1999, Topic: Reactor Vessel Water Level, Brachytherapy)
- Information Notice 1999-15, Misapplication for 10CFR Part 71 Transportation Shipping Cask Licensing Basis to 10CFR Part 50 Design Basis (27 May 1999, Topic: Brachytherapy)
- Information Notice 1999-16, Federal Bureau of Investigation'S Nuclear Site Security Program (28 May 1999, Topic: Brachytherapy)
- Information Notice 1999-17, Problems Associated with Post-Fire Safe-Shutdown Circuit Analyses (3 June 1999, Topic: Hot Short, Safe Shutdown, Temporary Modification, Emergency Lighting, Fire Protection Program)
- Information Notice 1999-18, Update on Nrc'S Year 2000 Activities for Material Licensees and Fuel Cycle Licensees and Certificate Holders (14 June 1999, Topic: Brachytherapy)
- Information Notice 1999-19, Rupture of the Shell Side of a Feedwater Heater at the Point Beach Nuclear Plant (23 June 1999, Topic: Feedwater Heater)
- Information Notice 1999-20, Contingency Planning for the Year 2000 Computer Problem (25 June 1999, Topic: Feedwater Heater, Brachytherapy)
- Information Notice 1999-21, Recent Plant Events Caused by Human Performance Errors (25 June 1999, Topic: Probabilistic Risk Assessment, Feedwater Heater)
- Information Notice 1999-22, 10CFR 34.43(a)(1); Effective Date for Radiographer Certification and Plans for Enforcement Discretion (25 June 1999, Topic: Enforcement Discretion, Feedwater Heater, Brachytherapy)
- Information Notice 1999-23, Safety Concerns Related to Repeated Control Unit Failures of the Nucletron Classic Model High-Dose-Rate Remote Afterloading Brachytherapy Devices (6 July 1999, Topic: Enforcement Discretion, Feedwater Heater, Brachytherapy, Overexposure)
- Information Notice 1999-24, Broad-Scope Licensees' Responsibilities for Reviewing and Approving Unregistered Sealed Sources and Devices (12 July 1999, Topic: Enforcement Discretion, Feedwater Heater, Brachytherapy)
- Information Notice 1999-25, Year 2000 Contingency Planning Activities (10 August 1999, Topic: Enforcement Discretion, Feedwater Heater, Brachytherapy)
- Information Notice 1999-26, Safety and Economic Consequences of Misleading Marketing Information (24 August 1999, Topic: Enforcement Discretion, Feedwater Heater, Brachytherapy, Exit Sign)
- Information Notice 1999-27, Malfunction of Source Retraction Mechanism in Cobalt-60 Teletherapy Treatment Units (2 September 1999, Topic: Enforcement Discretion, Feedwater Heater, Brachytherapy)
- Information Notice 1999-28, Recall of Star Brand Fire Protection Sprinkler Heads (30 September 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-30, Failure of Double Contingency Based on Administrative Controls Involving Laboratory Sampling and Spectroscopic Analysis of Wet Uranium Waste (8 November 1999, Topic: Brachytherapy)
- Information Notice 1999-30, Failure of Double Contingency Based On Administrative Controls Involving Laboratory Sampling and Spectroscopic Analysis of Wet Uranium Waste (8 November 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-31, Operational Controls to Guard Against Inadventent Nuclear Criticality (17 November 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-31, Operational Controls To Guard Against Inadventent Nuclear Criticality (17 November 1999, Topic: Enforcement Discretion, Brachytherapy)
- Information Notice 1999-32, Effect of Year 2000 Issue on Medical Licenseess (17 December 1999, Topic: Brachytherapy, Overdose, Underdose)
- Information Notice 1999-32, Effect of Year 2000 Issue on Medical Licensees (17 December 1999, Topic: Brachytherapy, Overdose, Underdose)
- Information Notice 1999-33, Management Of Wastess Contaminated with Radioactive Materialss (21 December 1999, Topic: Brachytherapy)
- Information Notice 1999-33, Management of Wastes Contaminated with Radioactive Materials (21 December 1999, Topic: Brachytherapy)
- Information Notice 1999-33, Management Of Wastes Contaminated with Radioactive Materials (21 December 1999, Topic: Brachytherapy)
- Information Notice 1999-33, Management Of Wastes Contaminated With Radioactive Materials (21 December 1999, Topic: Brachytherapy)
- Information Notice 1999-34, Potential Fire Hazard in the Use of Polyalphaolefin in Testing of Air Filter (28 December 1999)
- Information Notice 1999-34, PotentialPotentialPotential FireFireFire HazardHazardHazard ininIn thetheThe UseUseUse ofofOf PolyalphaolefinPolyalphaolefinPolyalphaolefin ininIn TestingTestingTesting ofofOf AirAirAir FilterFilterFilter (28 December 1999)
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