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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| issue date = 05/26/1992
| issue date = 05/26/1992
| title = Implementation Date for the Revision to the EPA Manual of Protective Action Guides and Protective Actions for Nuclear Incidents
| title = Implementation Date for the Revision to the EPA Manual of Protective Action Guides and Protective Actions for Nuclear Incidents
| author name = Cunningham R E
| author name = Cunningham R
| author affiliation = NRC/NMSS/IMNS
| author affiliation = NRC/NMSS/IMNS
| addressee name =  
| addressee name =  
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| page count = 4
| page count = 4
}}
}}
{{#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==
==Description of Circumstances==
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 -.
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                                                                        Attachment 2 IN 92-38                                                                            IN 92-38 May 12, 1992                                                                        Nay 12. 1992 Page I of I                                                                        Page I of I
 
LIST OF RECENTLY ISSUED                                                            LIST OF RECENTLY ISSUED
 
NRC INFORMATION NOTICES                                                          NMSS INFORMATION NOTICES
 
Information
 
Information                                      Date of                              Infonration                                  Date of
 
Notice No.            Subject                    Issuance Issued to                    Notice No.        Subject                    Issuance  Issued to
 
92-37          Implementation of the            05/08/92 All Nuclear Regulatory      92-37      Implementation of the            05/08/92  All Nuclear Regulatory
 
Deliberate Misconduct Rule                Commission Licensees.                    Deliberate Misconduct Rule                Commission Licensees.
 
92-16,          Loss of Flow from the Re-        05/07/92 All holders of OLs or CPs
 
Supp. 1        sidual Heat Removal Pump                  for nuclear power reactors.  92-34      New Exposure Limits for          05/06/92  All licensees whose opera- during Refueling Cavity                                                            Airborne Uranium and                      tions can cause airborne
 
Draindown                                                                          Thorium                                    concentrations of uranium
 
and thorium.


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
92-36          Intersystem LOCA Outside        05/07/92 All holders of OLs or CPs


* Operating LicenseCP -Construction Permit
Containment                              for nuclear power reactors.  92-14      Uranium Oxide Fires at          02/21/92  All fuel cycle and uranium


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
Fuel Cycle Facilities                      fuel research and develop-
92-35          Higher Than Predicted Ero-       05/06/92 All holders of OLs or CPs                                                          ment 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
sion/Corrosion in Unisol-                 for nuclear power reactors.
}}
 
able Reactor Coolant Pres-                                             92-11      Soil and Water Contamina-       02/O5/92  All uranium fuel fabrica- sure Boundary Piping Inside                                                        tion at Fuel Cycle Facil-                 tion and conversion facil- Containment at A Boiling                                                          ities                                      itles.
 
Water Reactor
 
92-10      Brachytherapy Incidents          01/31/92  All Nuclear Regulatory Com-
92-34          New Exposure Limits for          05/06/92 All licensees who e opera-              Involving Iridium-192 Wire                mission (NRC) licensees
 
Airborne Uranium and                      tions can cause a rborne                Used In Endobronchial                      authorized to use
 
Thorium                                    concentrations of uranium              Treatments                                  iridium-192 for brachy- andthorium.                                                                        therapy; manufacturers and
 
distributors of iridium-192
92-33            Increased Instrument            04/30/92 All holders of OLs or CPs                                                          wire for use inbrachy- Response Time When                        for nuclear power reactors.                                                        therapy.
 
Pressure Dampening
 
Devices are Installed                                                  92-08      Revised Protective Action        01/23/92 All fuel cycle and materi- Guidance for Nuclear Inci-                 als licensees authorized
 
92-32            Problems Identified with        04/29/92  All holders of OLs or CPs              dents                                      to possess large quanti- Emergency Ventilation                    for nuclear power reactors.                                                        ties of radioactive materi- Systems for Near-Site                                                                                                        ial.
 
(Within 10Miles) Emer- gency Operations Facili-                                              91-86        New Reporting Requirements      12/27/91  All licensees authorized
 
ties and Technical Support                                                        for Contamination Events at                to use byproduct materials
 
Centers                                                                            Medical Facilities                         for human use.
 
(10 CFR 30.50)
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          Uranium Oxide Fires at            02/21/92    All fuel cycle and uranium
 
Fuel Cycle Facilities                        fuel research and develop- ment licensees.
 
92-11          Soil and Water Contamina-        02/05/92    All uranium fuel fabrica- tion at Fuel Cycle Facil-                    tion and conversion facil- ities                                        ities.
 
92-10          Brachytherapy Incidents          01/31/92    All Nuclear Regulatory Com- Involving Iridium-192 Wire                    mission (NRC) licensees
 
Used in Endobronchial                        authorized to use
 
Treatments                                    iridium-192 for brachy- therapy; manufacturers and
 
distributors of iridium-192 wire for use in brachy- therapy.
 
92-08        Revised Protective Action        01/23/92    All fuel cycle and materi- Guidance for Nuclear Inci-                    als licensees authorized
 
dents                                        to possess large quanti- ties of radioactive materi- ial .
 
91-86          New Reporting Requirements        12/27/91  All licensees authorized
 
for Contamination Events at                  to use byproduct materials
 
Medical Facilities                            for human use.
 
(10 CFR 30.50)
91-84        Problems with Criticality        12/26/91    All Nuclear Regulatory
 
Alarm Components/Systems                      Commission (NRC) fuel
 
cycle licensees, interim
 
spent fuel storage licens- ees, and critical mass
 
licensees.
 
91-71        Training and Supervision          11/12/91    All NRC medical licensees.
 
of Individuals Supervised
 
by an Authorized User}}


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

Latest revision as of 03:22, 24 November 2019

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
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 Attachment 2 IN 92-38 IN 92-38 May 12, 1992 Nay 12. 1992 Page I of I Page I of I

LIST OF RECENTLY ISSUED LIST OF RECENTLY ISSUED

NRC INFORMATION NOTICES NMSS INFORMATION NOTICES

Information

Information Date of Infonration Date of

Notice No. Subject Issuance Issued to Notice No. Subject Issuance Issued to

92-37 Implementation of the 05/08/92 All Nuclear Regulatory 92-37 Implementation of the 05/08/92 All Nuclear Regulatory

Deliberate Misconduct Rule Commission Licensees. Deliberate Misconduct Rule Commission Licensees.

92-16, Loss of Flow from the Re- 05/07/92 All holders of OLs or CPs

Supp. 1 sidual Heat Removal Pump for nuclear power reactors. 92-34 New Exposure Limits for 05/06/92 All licensees whose opera- during Refueling Cavity Airborne Uranium and tions can cause airborne

Draindown Thorium concentrations of uranium

and thorium.

92-36 Intersystem LOCA Outside 05/07/92 All holders of OLs or CPs

Containment for nuclear power reactors. 92-14 Uranium Oxide Fires at 02/21/92 All fuel cycle and uranium

Fuel Cycle Facilities fuel research and develop-

92-35 Higher Than Predicted Ero- 05/06/92 All holders of OLs or CPs ment licensees.

sion/Corrosion in Unisol- for nuclear power reactors.

able Reactor Coolant Pres- 92-11 Soil and Water Contamina- 02/O5/92 All uranium fuel fabrica- sure Boundary Piping Inside tion at Fuel Cycle Facil- tion and conversion facil- Containment at A Boiling ities itles.

Water Reactor

92-10 Brachytherapy Incidents 01/31/92 All Nuclear Regulatory Com-

92-34 New Exposure Limits for 05/06/92 All licensees who e opera- Involving Iridium-192 Wire mission (NRC) licensees

Airborne Uranium and tions can cause a rborne Used In Endobronchial authorized to use

Thorium concentrations of uranium Treatments iridium-192 for brachy- andthorium. therapy; manufacturers and

distributors of iridium-192

92-33 Increased Instrument 04/30/92 All holders of OLs or CPs wire for use inbrachy- Response Time When for nuclear power reactors. therapy.

Pressure Dampening

Devices are Installed 92-08 Revised Protective Action 01/23/92 All fuel cycle and materi- Guidance for Nuclear Inci- als licensees authorized

92-32 Problems Identified with 04/29/92 All holders of OLs or CPs dents to possess large quanti- Emergency Ventilation for nuclear power reactors. ties of radioactive materi- Systems for Near-Site ial.

(Within 10Miles) Emer- gency Operations Facili- 91-86 New Reporting Requirements 12/27/91 All licensees authorized

ties and Technical Support for Contamination Events at to use byproduct materials

Centers Medical Facilities for human use.

(10 CFR 30.50)

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 Uranium Oxide Fires at 02/21/92 All fuel cycle and uranium

Fuel Cycle Facilities fuel research and develop- ment licensees.

92-11 Soil and Water Contamina- 02/05/92 All uranium fuel fabrica- tion at Fuel Cycle Facil- tion and conversion facil- ities ities.

92-10 Brachytherapy Incidents 01/31/92 All Nuclear Regulatory Com- Involving Iridium-192 Wire mission (NRC) licensees

Used in Endobronchial authorized to use

Treatments iridium-192 for brachy- therapy; manufacturers and

distributors of iridium-192 wire for use in brachy- therapy.

92-08 Revised Protective Action 01/23/92 All fuel cycle and materi- Guidance for Nuclear Inci- als licensees authorized

dents to possess large quanti- ties of radioactive materi- ial .

91-86 New Reporting Requirements 12/27/91 All licensees authorized

for Contamination Events at to use byproduct materials

Medical Facilities for human use.

(10 CFR 30.50)

91-84 Problems with Criticality 12/26/91 All Nuclear Regulatory

Alarm Components/Systems Commission (NRC) fuel

cycle licensees, interim

spent fuel storage licens- ees, and critical mass

licensees.

91-71 Training and Supervision 11/12/91 All NRC medical licensees.

of Individuals Supervised

by an Authorized User


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