ML20023B695

SER Supporting Revs to Radiological Effluent Tech Specs

ML20023B695
Person / Time
Site:	Millstone
Issue date:	04/21/1983
From:	Office of Nuclear Reactor Regulation
To:
Shared Package
ML20023A495	List: ML20023A493 ML20023B694 ML20023B695
References
TAC-49588, NUDOCS 8305060062
Download: ML20023B695 (6)

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,o SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION MILLSTONE 2 NORTHEAST NUCLEAR ENERGY COMPANY DOCKET NO. 50-336 1.0 INTRODUCFIOff To comply with Section V of Appendix I of 10 CFR Part 50, the Northeast Nuclear Energy Company has filed with the Commission plans and proposed technical specifications developed for the purpose of keeping releases of radioactive materials to unrestricted areas during normal operations, including expected operational occurrences, as low as is reasonably achievable. The Northeast Nuclear Energy Company filed this information with the Commission by letter dated August 12, 1982 which requested changes to the Technical Specifications appended to Facility Operating License No. DPR-65 for Millstone 2.

The proposed technical specifications update those portions of the technical specifications addressing radipactive waste management and make them consistent with the current staff positions as expressed in NUREG-0472. These revised technical specifications would reasonably assure compliance, in radioactive waste management, with the provisions of 10 CFR Part 50.36a, as supplemented by Appendix I to 10 CFR Part 50, with 10 CFR Parts 20.105 (c),106 (g), and 405 (c); with 10 CFR Part 50, Appendix A, General Design Criteria 60, 63, and 64; and with 10 CFR Part 50, Appendix B.

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O 2.0 BAbKGROUNDANDDISCUSSION 2.1 Regulations 10 CFR Part 50, " Domestic Licensing of Production and Utilization Facilities", Section 50,36a, " Technical Specifications on Effluents from Nuclear Power Reactors", provides that each license authorizing operation of a nuclear pow.r r; actor will include technical specifications that (1) require compliance with applicable provisions of Part 20.106,

" Radioactivity in Effluents to Restricted Areas"; (2) require that operating procedures developed for the control of effluents be established and followed; (3) require that equipment installed in the radioactive waste system be maintained and used; and (4) require the periodic submission of reports to the NRC specifying the quantity of each of the principal radionuclides released to unrestricted areas in liquid and gaseous effluents, any quantities of radioactive materials released that are significantly above design objectives, and such other information as may be required by the Commission to estimate maximum potential radiation dose to the public resulting from the effluent releases.

10 CFR Part 20, " Standards for Protection Against Radiation," paragraphs 20.105(c), 20.106 (g), and 20.405 (c), require that nuclear power plant and other licensees comply with 40 CFR Part 190," " Environmental Radiation Protection Standards for Nuclear Power Operations" and submit reports to the NRC when the 40 CFR Part 190 limits have been or may be exceeded.

10 CFR Part 50, Appendix A - General Design Criteria for Nuclear Power

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Plants, contains Criterion 60, Control of releases of radioactive

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materials to the environment; Criterion 63, Monitoring fuel and waste j

storage; and Criterion 64, Monitoring radioactivity releases.

Criterion

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60 requires that the nuclear power unit design include means to control suitably the release of radioactive materials in gaseous and liquid effluents and to handle radioactive solid wastes produced during normal l

l reactor operation, including anticipated operational occurrences.

l Criterion 63 requires that appropriate systems be provided in radioactive l

l waste systems and associated handling areas to detect conditions that may result in excessive radiation levels and to initiate appropriate safety actions. Criterion 64 requires that means be provided for monitoring effluent discharge paths and the plant environs for radioactivity that may be released from normal operations, including anticipated operational occurrences and postulated accidents.

10 CFR Part 50, Appendix B, establishes quality assurance requirements for nuclear power plants.

10 CFR Part 50, Appendix I,Section IV, provides guides on technical specifications for limiting conditions for operation for light-water-cooled nuclear power reactors licensed under 10 CFR Part 50.

2.2 RADIOLOGICAL EFFLUENT TECHNICAL SPECIFICATIONS NUREG-0472 provides radiological effluent technical specifications for pressurized water reactors which the staff finds to be an acceptable standard for licensing actions. Further clarification of these acceptable methods is provided in NUREG-0133, " Preparation of Radiological Effluent Technical Specifications for Nuclear Power Plants."

NUREG-0133 describes methods found acceptable to the staf f of the NRC for the calculation of certain key values. required in the preparation of proposed radiological effluent technical specifications for light-water-cooled nuclear power plants.

NUREG-0133 also provides guidance to licensees in preparing requests for changes to existing radiological effluent technical specifications for operating reactors.

It also describes current staff positions on the methodology for estimating radiation exposure due to the release of radioactive materials in effluents and on the administrative control of radioactive waste treatment systems.

The above NUREG documents address all of the radiological effluent technical specifications needed to assure compliance with the guidance and requirements provided by the regulations previously cited.

However, alternative approaches to the preparation of radiological effluent _

technical specifications and alternative radiological effluent technical specifications may be acceptable if the staff determines that the alternatives are in compliance with the regulations and with the intent of the regulatory guidance.

The standard radiological effluent technical specifications can be grouped under the following categories:

(1)

Instrumentation (2)

Radioactive effluents (3)

Radiological environmental monitoring (4)

Dasign features (5)

Administrative controls Each of the specifications under the first three categories are comprised of two parts:

the limiting condition for operation and the surveillance requirements. The limiting condition for operation provides a statement of the limiting condition, the times when it is applicable, and the actions to be taken in the event that the limiting condition is not met.

In general, the specifications established to assure compliance with 10 CFR Part 20 standards provide, in the event the limiting conditions of operation are exceeded, that without delay. conditions are restored to within the limiting conditions. Otherwise, the facility is required to effect approved shut-down procedures.

In general, the specifications established to assure compliance with 10 CFR Part 50 provide, in the event the limiting conditions of operation are exceeded, that within specified times corrective actions are to be taken, alternative means of operation are to be employed, and certain reports are to be submitted to the NRC describing these conditions and actions.

l The specifications concerning design features and administrative controls contain no limiting conditions of operation or surveillance requirements.

l Table 1 indicates the standard radiological effluent technical specifications that are needed to assure compliance with the particular provisions of the regulations described in Section 1.0.

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3.0 EV LUATION & SAFETY CONCLUSIONS The enclosed report (TER-C5506-99) was prepared for us by Franklin Research Center (PRC) as part of our technical assistance contract program. This report provides their technical evaluation of the compliance of the licensee's submittal with NRC provided criteria.

The staff has reviewed the TER and agrees with the evaluation.

The proposed radiological effluent technical specifications for the Mill-stone Nuclear Power Station Unit 2 have been evaluated, reviewed, and found to be in compliance with the requirements of the NRC regulations and with the intent of NUREG-0133 and NUREG-0472 (Millstone 2 is comprised of one pressurized water reactor ). These technical specifications do not now include provisions for the control of explosive gases in the waste gas system but the licensee has agreed to include an appropriate technical specification for this purpose. This will fulfill all the requirements of the regulations related to radiological effluent technical specifications.

The proposed chang,es will not remove or relax any existing requirements related to the. probability or consequences of accidents previously considered and do not involve a significant hazards consideration.

The proposed changes will not remove or relax any existing requirement needed to provide reasonable assurance that the health and safety of the public will not be endangered by operation in the proposed manner.

Principal Contributor:

W. Meinke -

_