Information Notice 1992-38, Implementation Date for the Revision to the EPA Manual of Protective Action Guides and Protective Actions for Nuclear Incidents: Difference between revisions

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{{#Wiki_filter:C's2UNITED STATESNUCLEAR REGULATORY COMMISSIONOFFICE OF NUCLEAR REACTOR REGULATION &OFFICE OF NUCLEAR MATERIAL SAFETX.AND SAFEGUARDSWASHINGTON;b c.;-20555May 129219Rt 26 P2:27NRC INFORMATION NOTICE 92-38: IMPLEMENTATION DATE FOR THE REVISION TO THE EPAMANUAL OF PROTECTIVE ACTION GUIDES AND PROTECTIVEACTIONS FOR NUCLEAR INCIDENTS
{{#Wiki_filter:C's2 UNITED STATES NUCLEAR REGULATORY
 
COMMISSION
 
OFFICE OF NUCLEAR REACTOR REGULATION
 
&OFFICE OF NUCLEAR MATERIAL SAFETX.AND
 
SAFEGUARDS
 
WASHINGTON;b
 
c.;-20555 May 129219Rt 26 P2:27 NRC INFORMATION
 
NOTICE 92-38: IMPLEMENTATION
 
DATE FOR THE REVISION TO THE EPA MANUAL OF PROTECTIVE
 
===ACTION GUIDES AND PROTECTIVE===
ACTIONS FOR NUCLEAR INCIDENTS


==Addressees==
==Addressees==
All holders of operating licenses or construction permits for nuclear powerreactors, non-power reactors and materials licensees authorized to possesslarge quantities of radioactive material.
All holders of operating
 
licenses or construction
 
permits for nuclear power reactors, non-power
 
reactors and materials
 
licensees
 
authorized
 
to possess large quantities
 
of radioactive
 
material.


==Purpose==
==Purpose==
The U.S. Nuclear Regulatory Commission (NRC) is issuing this information noticeto notify addressees of a recent Commission decision that will affect theimplementation date for the revised U.S. Environmental Protection Agency (EPA)Manual of Protective Action Guides and Protective Actions for Nuclear Incidents.It is expected that recipients will review the information for applicability totheir facilities and consider actions as appropriate. However, suggestionscontained in this information notice are not NRC requirements; therefore, nospecific action or written response is required.
The U.S. Nuclear Regulatory
 
Commission (NRC) is issuing this information
 
notice to notify addressees
 
of a recent Commission
 
decision that will affect the implementation
 
date for the revised U.S. Environmental
 
Protection
 
Agency (EPA)Manual of Protective
 
Action Guides and Protective
 
Actions for Nuclear Incidents.
 
It is expected that recipients
 
will review the information
 
for applicability
 
to their facilities
 
and consider actions as appropriate.
 
===However, suggestions===
contained
 
in this information
 
notice are not NRC requirements;  
therefore, no specific action or written response is required.Description
 
of Circumstances
 
On November 19, 1991, and January 23, 1992, the NRC issued Information
 
Notices 91-72, "Issuance
 
of a Revision to the EPA Manual of Protective
 
Action Guides and Protective
 
Actions for Nuclear Incidents" and 92-08, "Revised Protective
 
Action Guidance for Nuclear Incidents," respectively, to notify licensees
 
of a revision to EPA's Manual of Protective
 
Action Guides and Protective
 
Actions for Nuclear Incidents.
 
EPA revised this manual to incorporate
 
the current health physics practice for dose units and to expand the applicability
 
of the guidance to include nuclear incidents
 
for both commercial
 
and Federal facilities.
 
The NRC agreed with EPA's recommendation
 
to implement
 
the manual revision concurrently
 
with the revised Part 20 of Title 10 of the Code of Federal Regulations.
 
The original dates for implementing
 
the revised Part 20 were January 1, 1993, for NRC licensees, and January 1, 1994, for Agreement
 
States.On February 12, 1992, the Commission
 
informed the NRC staff of its decision to delay the required implementation
 
date of 10 CFR Part 20 for a period of 1 year to January 1, 1994. The staff has initiated
 
the necessary
 
rulemaking
 
to reflect this delay. To be consistent
 
with the change in the date for implemen-ting 10 CFR Part 20, the addressees
 
may delay for up to 1 year their implementa- tion of the revision to EPA's Manual of Protective
 
===Action Guides and Protective===
9205050256 p1R ; < tt- e -O3' A1oSJ2..PDrD/e-d // C -.
 
Attachment
 
I IN 92-38 May 12, 1992 Page I of I Attachment
 
2 IN 92-38 Nay 12. 1992 Page I of I LIST OF RECENTLY ISSUED NRC INFORMATION
 
NOTICES LIST OF RECENTLY ISSUED NMSS INFORMATION
 
===NOTICES Information===
Information
 
Notice No.92-37 92-16, Supp. 1 92-36 92-35 92-34 92-33 92-32 Subject Implementation
 
of the Deliberate
 
Misconduct
 
Rule Loss of Flow from the Re-sidual Heat Removal Pump during Refueling
 
Cavity Draindown Intersystem
 
===LOCA Outside Containment===
Higher Than Predicted
 
Ero-sion/Corrosion
 
in Unisol-able Reactor Coolant Pres-sure Boundary Piping Inside Containment
 
at A Boiling Water Reactor New Exposure Limits for Airborne Uranium and Thorium Increased
 
Instrument
 
Response Time When Pressure Dampening Devices are Installed Problems Identified
 
with Emergency
 
Ventilation
 
Systems for Near-Site (Within 10Miles) Emer-gency Operations
 
Facili-ties and Technical
 
Support Centers Date of Issuance 05/08/92 05/07/92 05/07/92 05/06/92 Issued to All Nuclear Regulatory
 
Commission
 
Licensees.
 
All holders of OLs or CPs for nuclear power reactors.All holders of OLs or CPs for nuclear power reactors.All holders of OLs or CPs for nuclear power reactors.Infonration
 
Notice No.92-37 92-34 92-14 92-11 92-10 Subject Implementation
 
of the Deliberate
 
Misconduct
 
Rule New Exposure Limits for Airborne Uranium and Thorium Uranium Oxide Fires at Fuel Cycle Facilities
 
Soil and Water Contamina- tion at Fuel Cycle Facil-ities Brachytherapy
 
Incidents Involving
 
Iridium-192
 
===Wire Used In Endobronchial===
Treatments
 
Revised Protective
 
Action Guidance for Nuclear Inci-dents New Reporting
 
===Requirements===
for Contamination
 
===Events at Medical Facilities===
(10 CFR 30.50)Date of Issuance Issued to 05/08/92 All Nuclear Regulatory
 
Commission
 
Licensees.
 
05/06/92 All licensees
 
whose opera-tions can cause airborne concentrations
 
of uranium and thorium.02/21/92 All fuel cycle and uranium fuel research and develop-ment licensees.
 
02/O5/92 All uranium fuel fabrica-tion and conversion
 
facil-itles.01/31/92 All Nuclear Regulatory
 
Com-mission (NRC) licensees authorized
 
to use iridium-192 for brachy-therapy; manufacturers
 
and distributors
 
of iridium-192 wire for use in brachy-therapy.01/23/92 All fuel cycle and materi-als licensees
 
authorized
 
to possess large quanti-ties of radioactive
 
materi-ial.12/27/91 All licensees
 
authorized
 
to use byproduct
 
materials for human use.05/06/92 All licensees
 
who e opera-tions can cause a rborne concentrations
 
of uranium and thorium.04/30/92 All holders of OLs or CPs for nuclear power reactors.92-08 04/29/92 All holders of OLs or CPs for nuclear power reactors.91-86 OL
 
* Operating
 
License CP -Construction
 
Permit
 
IN 92-34 May 6, 1992 The new revision to NRC Regulatory
 
Guide 8.25, "Air Sampling In The Workplace," gives guidance for setting up an air-sampling
 
program that can be used to estimate internal dose from airborne activity.
 
The associated
 
NUREG-1400
explains acceptable
 
implementation
 
of methods described
 
in Regulatory
 
Guide 8.25.In addition, Table 2 of Appendix B to 10 CFR 20.1001-20.2401 places much more stringent
 
limits on effluent concentrations
 
for soluble uranium and thorium in water, and for thorium and insoluble
 
uranium in air. The reduction
 
in the allowable
 
effluent concentrations
 
to about a hundredth
 
of the former values may necessitate
 
changes in procedures
 
or monitoring
 
methods, or may even necessitate
 
installation
 
of new effluent treatment
 
systems requiring appreciable
 
lead time to procure.This information
 
notice requires no specific action or written response.
 
If you have any questions
 
about the information
 
in this notice, please call the technical
 
contact listed below or the appropriate
 
NRC regional office.Richard E. Cunningham, Director Division of Industrial
 
and Medical Nuclear Safety Office of Nuclear Material Safety and Safeguards
 
Technical
 
contact: Edward Shum, NMSS (301) 504-2607 Attachments:
1. List of Recently Issued NMSS Information
 
Notices 2. List of Recently Issued NRC Information
 
Notices
 
Attachment
 
1 IN 92-34 May 6, 1992 LIST OF RECENTLY ISSUED NMSS INFORMATION
 
NOTICES Information
 
Date of Notice No. Subject Issuance Issued to 92-14 92-11 92-10 92-08 Uranium Oxide Fires at Fuel Cycle Facilities
 
Soil and Water Contamina- tion at Fuel Cycle Facil-ities Brachytherapy
 
Incidents Involving
 
Iridium-192
 
===Wire Used in Endobronchial===
Treatments
 
Revised Protective
 
Action Guidance for Nuclear Inci-dents New Reporting
 
===Requirements===
for Contamination
 
===Events at Medical Facilities===
(10 CFR 30.50)Problems with Criticality
 
Alarm Components/Systems
 
===Training and Supervision===
of Individuals
 
Supervised
 
by an Authorized
 
User 02/21/92 02/05/92 01/31/92 01/23/92 12/27/91 12/26/91 11/12/91 All fuel cycle and uranium fuel research and develop-ment licensees.
 
All uranium fuel fabrica-tion and conversion
 
facil-ities.All Nuclear Regulatory
 
Com-mission (NRC) licensees authorized
 
to use iridium-192 for brachy-therapy; manufacturers
 
and distributors
 
of iridium-192 wire for use in brachy-therapy.All fuel cycle and materi-als licensees
 
authorized
 
to possess large quanti-ties of radioactive
 
materi-ial .All licensees
 
authorized


==Description of Circumstances==
to use byproduct
On November 19, 1991, and January 23, 1992, the NRC issued Information Notices91-72, "Issuance of a Revision to the EPA Manual of Protective Action Guidesand Protective Actions for Nuclear Incidents" and 92-08, "Revised ProtectiveAction Guidance for Nuclear Incidents," respectively, to notify licensees of arevision to EPA's Manual of Protective Action Guides and Protective Actions forNuclear Incidents. EPA revised this manual to incorporate the current healthphysics practice for dose units and to expand the applicability of the guidanceto include nuclear incidents for both commercial and Federal facilities.The NRC agreed with EPA's recommendation to implement the manual revisionconcurrently with the revised Part 20 of Title 10 of the Code of FederalRegulations. The original dates for implementing the revised Part 20 wereJanuary 1, 1993, for NRC licensees, and January 1, 1994, for Agreement States.On February 12, 1992, the Commission informed the NRC staff of its decision todelay the required implementation date of 10 CFR Part 20 for a period of 1 yearto January 1, 1994. The staff has initiated the necessary rulemaking toreflect this delay. To be consistent with the change in the date for implemen-ting 10 CFR Part 20, the addressees may delay for up to 1 year their implementa-tion of the revision to EPA's Manual of Protective Action Guides and Protective9205050256 p1R ; < tt- e -O3' A1oSJ2..PDrD/e-d // C -.


Attachment IIN 92-38May 12, 1992Page I of IAttachment 2IN 92-38Nay 12. 1992Page I of ILIST OF RECENTLY ISSUEDNRC INFORMATION NOTICESLIST OF RECENTLY ISSUEDNMSS INFORMATION NOTICESInformationInformationNotice No.92-3792-16,Supp. 192-3692-3592-3492-3392-32SubjectImplementation of theDeliberate Misconduct RuleLoss of Flow from the Re-sidual Heat Removal Pumpduring Refueling CavityDraindownIntersystem LOCA OutsideContainmentHigher Than Predicted Ero-sion/Corrosion in Unisol-able Reactor Coolant Pres-sure Boundary Piping InsideContainment at A BoilingWater ReactorNew Exposure Limits forAirborne Uranium andThoriumIncreased InstrumentResponse Time WhenPressure DampeningDevices are InstalledProblems Identified withEmergency VentilationSystems for Near-Site(Within 10Miles) Emer-gency Operations Facili-ties and Technical SupportCentersDate ofIssuance05/08/9205/07/9205/07/9205/06/92Issued toAll Nuclear RegulatoryCommission Licensees.All holders of OLs or CPsfor nuclear power reactors.All holders of OLs or CPsfor nuclear power reactors.All holders of OLs or CPsfor nuclear power reactors.InfonrationNotice No.92-3792-3492-1492-1192-10SubjectImplementation of theDeliberate Misconduct RuleNew Exposure Limits forAirborne Uranium andThoriumUranium Oxide Fires atFuel Cycle FacilitiesSoil and Water Contamina-tion at Fuel Cycle Facil-itiesBrachytherapy IncidentsInvolving Iridium-192 WireUsed In EndobronchialTreatmentsRevised Protective ActionGuidance for Nuclear Inci-dentsNew Reporting Requirementsfor Contamination Events atMedical Facilities(10 CFR 30.50)Date ofIssuance Issued to05/08/92 All Nuclear RegulatoryCommission Licensees.05/06/92 All licensees whose opera-tions can cause airborneconcentrations of uraniumand thorium.02/21/92 All fuel cycle and uraniumfuel research and develop-ment licensees.02/O5/92 All uranium fuel fabrica-tion and conversion facil-itles.01/31/92 All Nuclear Regulatory Com-mission (NRC) licenseesauthorized to useiridium-192 for brachy-therapy; manufacturers anddistributors of iridium-192wire for use in brachy-therapy.01/23/92 All fuel cycle and materi-als licensees authorizedto possess large quanti-ties of radioactive materi-ial.12/27/91 All licensees authorizedto use byproduct materialsfor human use.05/06/92 All licensees who e opera-tions can cause a rborneconcentrations of uraniumand thorium.04/30/92 All holders of OLs or CPsfor nuclear power reactors.92-0804/29/92 All holders of OLs or CPsfor nuclear power reactors.91-86OL
materials for human use.All Nuclear Regulatory


* Operating LicenseCP -Construction Permit
Commission (NRC) fuel cycle licensees, interim spent fuel storage licens-ees, and critical mass licensees.


IN 92-34May 6, 1992 The new revision to NRC Regulatory Guide 8.25, "Air Sampling In The Workplace,"gives guidance for setting up an air-sampling program that can be used toestimate internal dose from airborne activity. The associated NUREG-1400explains acceptable implementation of methods described in RegulatoryGuide 8.25.In addition, Table 2 of Appendix B to 10 CFR 20.1001-20.2401 places much morestringent limits on effluent concentrations for soluble uranium and thorium inwater, and for thorium and insoluble uranium in air. The reduction in theallowable effluent concentrations to about a hundredth of the former valuesmay necessitate changes in procedures or monitoring methods, or may evennecessitate installation of new effluent treatment systems requiringappreciable lead time to procure.This information notice requires no specific action or written response. Ifyou have any questions about the information in this notice, please call thetechnical contact listed below or the appropriate NRC regional office.Richard E. Cunningham, DirectorDivision of Industrial andMedical Nuclear SafetyOffice of Nuclear Material Safetyand SafeguardsTechnical contact: Edward Shum, NMSS(301) 504-2607Attachments:1. List of Recently Issued NMSS Information Notices2. List of Recently Issued NRC Information Notices
All NRC medical licensees.


Attachment 1IN 92-34May 6, 1992 LIST OF RECENTLY ISSUEDNMSS INFORMATION NOTICESInformation Date ofNotice No. Subject Issuance Issued to92-1492-1192-1092-08Uranium Oxide Fires atFuel Cycle FacilitiesSoil and Water Contamina-tion at Fuel Cycle Facil-itiesBrachytherapy IncidentsInvolving Iridium-192 WireUsed in EndobronchialTreatmentsRevised Protective ActionGuidance for Nuclear Inci-dentsNew Reporting Requirementsfor Contamination Events atMedical Facilities(10 CFR 30.50)Problems with CriticalityAlarm Components/SystemsTraining and Supervisionof Individuals Supervisedby an Authorized User02/21/9202/05/9201/31/9201/23/9212/27/9112/26/9111/12/91All fuel cycle and uraniumfuel research and develop-ment licensees.All uranium fuel fabrica-tion and conversion facil-ities.All Nuclear Regulatory Com-mission (NRC) licenseesauthorized to useiridium-192 for brachy-therapy; manufacturers anddistributors of iridium-192wire for use in brachy-therapy.All fuel cycle and materi-als licensees authorizedto possess large quanti-ties of radioactive materi-ial .All licensees authorizedto use byproduct materialsfor human use.All Nuclear RegulatoryCommission (NRC) fuelcycle licensees, interimspent fuel storage licens-ees, and critical masslicensees.All NRC medical licensees.91-8691-8491-71  
91-86 91-84 91-71}}
}}


{{Information notice-Nav}}
{{Information notice-Nav}}

Revision as of 13:08, 31 August 2018

Implementation Date for the Revision to the EPA Manual of Protective Action Guides and Protective Actions for Nuclear Incidents
ML031200345
Person / Time
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  Entergy icon.png
Issue date: 05/26/1992
From: Cunningham R E
NRC/NMSS/IMNS
To:
References
IN-92-038, NUDOCS 9205050256
Download: ML031200345 (4)
v • d • e


C's2 UNITED STATES NUCLEAR REGULATORY

COMMISSION

OFFICE OF NUCLEAR REACTOR REGULATION

&OFFICE OF NUCLEAR MATERIAL SAFETX.AND

SAFEGUARDS

WASHINGTON;b

c.;-20555 May 129219Rt 26 P2:27 NRC INFORMATION

NOTICE 92-38: IMPLEMENTATION

DATE FOR THE REVISION TO THE EPA MANUAL OF PROTECTIVE

ACTION GUIDES AND PROTECTIVE

ACTIONS FOR NUCLEAR INCIDENTS

Addressees

All holders of operating

licenses or construction

permits for nuclear power reactors, non-power

reactors and materials

licensees

authorized

to possess large quantities

of radioactive

material.

Purpose

The U.S. Nuclear Regulatory

Commission (NRC) is issuing this information

notice to notify addressees

of a recent Commission

decision that will affect the implementation

date for the revised U.S. Environmental

Protection

Agency (EPA)Manual of Protective

Action Guides and Protective

Actions for Nuclear Incidents.

It is expected that recipients

will review the information

for applicability

to their facilities

and consider actions as appropriate.

However, suggestions

contained

in this information

notice are not NRC requirements;

therefore, no specific action or written response is required.Description

of Circumstances

On November 19, 1991, and January 23, 1992, the NRC issued Information

Notices 91-72, "Issuance

of a Revision to the EPA Manual of Protective

Action Guides and Protective

Actions for Nuclear Incidents" and 92-08, "Revised Protective

Action Guidance for Nuclear Incidents," respectively, to notify licensees

of a revision to EPA's Manual of Protective

Action Guides and Protective

Actions for Nuclear Incidents.

EPA revised this manual to incorporate

the current health physics practice for dose units and to expand the applicability

of the guidance to include nuclear incidents

for both commercial

and Federal facilities.

The NRC agreed with EPA's recommendation

to implement

the manual revision concurrently

with the revised Part 20 of Title 10 of the Code of Federal Regulations.

The original dates for implementing

the revised Part 20 were January 1, 1993, for NRC licensees, and January 1, 1994, for Agreement

States.On February 12, 1992, the Commission

informed the NRC staff of its decision to delay the required implementation

date of 10 CFR Part 20 for a period of 1 year to January 1, 1994. The staff has initiated

the necessary

rulemaking

to reflect this delay. To be consistent

with the change in the date for implemen-ting 10 CFR Part 20, the addressees

may delay for up to 1 year their implementa- tion of the revision to EPA's Manual of Protective

Action Guides and Protective

9205050256 p1R ; < tt- e -O3' A1oSJ2..PDrD/e-d // C -.

Attachment

I IN 92-38 May 12, 1992 Page I of I Attachment

2 IN 92-38 Nay 12. 1992 Page I of I LIST OF RECENTLY ISSUED NRC INFORMATION

NOTICES LIST OF RECENTLY ISSUED NMSS INFORMATION

NOTICES Information

Information

Notice No.92-37 92-16, Supp. 1 92-36 92-35 92-34 92-33 92-32 Subject Implementation

of the Deliberate

Misconduct

Rule Loss of Flow from the Re-sidual Heat Removal Pump during Refueling

Cavity Draindown Intersystem

LOCA Outside Containment

Higher Than Predicted

Ero-sion/Corrosion

in Unisol-able Reactor Coolant Pres-sure Boundary Piping Inside Containment

at A Boiling Water Reactor New Exposure Limits for Airborne Uranium and Thorium Increased

Instrument

Response Time When Pressure Dampening Devices are Installed Problems Identified

with Emergency

Ventilation

Systems for Near-Site (Within 10Miles) Emer-gency Operations

Facili-ties and Technical

Support Centers Date of Issuance 05/08/92 05/07/92 05/07/92 05/06/92 Issued to All Nuclear Regulatory

Commission

Licensees.

All holders of OLs or CPs for nuclear power reactors.All holders of OLs or CPs for nuclear power reactors.All holders of OLs or CPs for nuclear power reactors.Infonration

Notice No.92-37 92-34 92-14 92-11 92-10 Subject Implementation

of the Deliberate

Misconduct

Rule New Exposure Limits for Airborne Uranium and Thorium Uranium Oxide Fires at Fuel Cycle Facilities

Soil and Water Contamina- tion at Fuel Cycle Facil-ities Brachytherapy

Incidents Involving

Iridium-192

Wire Used In Endobronchial

Treatments

Revised Protective

Action Guidance for Nuclear Inci-dents New Reporting

Requirements

for Contamination

Events at Medical Facilities

(10 CFR 30.50)Date of Issuance Issued to 05/08/92 All Nuclear Regulatory

Commission

Licensees.

05/06/92 All licensees

whose opera-tions can cause airborne concentrations

of uranium and thorium.02/21/92 All fuel cycle and uranium fuel research and develop-ment licensees.

02/O5/92 All uranium fuel fabrica-tion and conversion

facil-itles.01/31/92 All Nuclear Regulatory

Com-mission (NRC) licensees authorized

to use iridium-192 for brachy-therapy; manufacturers

and distributors

of iridium-192 wire for use in brachy-therapy.01/23/92 All fuel cycle and materi-als licensees

authorized

to possess large quanti-ties of radioactive

materi-ial.12/27/91 All licensees

authorized

to use byproduct

materials for human use.05/06/92 All licensees

who e opera-tions can cause a rborne concentrations

of uranium and thorium.04/30/92 All holders of OLs or CPs for nuclear power reactors.92-08 04/29/92 All holders of OLs or CPs for nuclear power reactors.91-86 OL

  • Operating

License CP -Construction

Permit

IN 92-34 May 6, 1992 The new revision to NRC Regulatory

Guide 8.25, "Air Sampling In The Workplace," gives guidance for setting up an air-sampling

program that can be used to estimate internal dose from airborne activity.

The associated

NUREG-1400

explains acceptable

implementation

of methods described

in Regulatory

Guide 8.25.In addition, Table 2 of Appendix B to 10 CFR 20.1001-20.2401 places much more stringent

limits on effluent concentrations

for soluble uranium and thorium in water, and for thorium and insoluble

uranium in air. The reduction

in the allowable

effluent concentrations

to about a hundredth

of the former values may necessitate

changes in procedures

or monitoring

methods, or may even necessitate

installation

of new effluent treatment

systems requiring appreciable

lead time to procure.This information

notice requires no specific action or written response.

If you have any questions

about the information

in this notice, please call the technical

contact listed below or the appropriate

NRC regional office.Richard E. Cunningham, Director Division of Industrial

and Medical Nuclear Safety Office of Nuclear Material Safety and Safeguards

Technical

contact: Edward Shum, NMSS (301) 504-2607 Attachments:

1. List of Recently Issued NMSS Information

Notices 2. List of Recently Issued NRC Information

Notices

Attachment

1 IN 92-34 May 6, 1992 LIST OF RECENTLY ISSUED NMSS INFORMATION

NOTICES Information

Date of Notice No. Subject Issuance Issued to 92-14 92-11 92-10 92-08 Uranium Oxide Fires at Fuel Cycle Facilities

Soil and Water Contamina- tion at Fuel Cycle Facil-ities Brachytherapy

Incidents Involving

Iridium-192

Wire Used in Endobronchial

Treatments

Revised Protective

Action Guidance for Nuclear Inci-dents New Reporting

Requirements

for Contamination

Events at Medical Facilities

(10 CFR 30.50)Problems with Criticality

Alarm Components/Systems

Training and Supervision

of Individuals

Supervised

by an Authorized

User 02/21/92 02/05/92 01/31/92 01/23/92 12/27/91 12/26/91 11/12/91 All fuel cycle and uranium fuel research and develop-ment licensees.

All uranium fuel fabrica-tion and conversion

facil-ities.All Nuclear Regulatory

Com-mission (NRC) licensees authorized

to use iridium-192 for brachy-therapy; manufacturers

and distributors

of iridium-192 wire for use in brachy-therapy.All fuel cycle and materi-als licensees

authorized

to possess large quanti-ties of radioactive

materi-ial .All licensees

authorized

to use byproduct

materials for human use.All Nuclear Regulatory

Commission (NRC) fuel cycle licensees, interim spent fuel storage licens-ees, and critical mass licensees.

All NRC medical licensees.

91-86 91-84 91-71


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