Document: NRC Regulatory Guide
Document ID: d0bc0d48-8edb-492d-b813-53be9418b4aa
Document Type: regulatory_guide
Title: Maintenance of Water Purity in Boiling Water Reactors (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740192.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.56
CFR Part: 
CFR Title: 

Content:
cretary of the Commission, US. Nuclear Regu Regulatory Guides are issued to describe and make available to the public methods latory Commission, Washington, D.C. 20555. Attention Docketing and Service accepltable to the NRC staff of implementing specific parts of the Commission's Branch. regulations, to delineate techniques used by the staff in evaluating specific problems The guides are issued in the lol lowing ten broad divisions on postulated accidents, or to provide guidance to applicants. Regulatory Guides are not substitutes for regulations, and compliance with them is not required. 1. Power Reactors 6. Products Methods and solutions different from those set out in the guides will be accept- 2. Research and Test Reactors 7. Transportation able if they provide a basis for the findings requisite to the issuance or continuance 3. Fuels and Mlterials Facilities 8. Occupational Health of a permit or license by the Commission. 4. Environmental and Siting 9. Antitrust Review 5. Materials and Plant Protection t0. General Comments and suggestions for improvements in these guides are encouraged at all times, and guides will be revised, as appropriate, to accommodate comments and Requests for single copies of issued guides (wl ch may be reproducedl or for place to reflect new information or experience. However, comments on this guideif ment on an automatic distribution list for single copies of future guides in specific received within about two months after its issuance, will be particularly useful in divisions should be made in writing to the US. Nuclear Regulatory Commission. evaluating the need for an early revision. Washington, D.C. 20555. Attention: Director. Division of Document Control. through full-flow demineralizers in order to obtain the purest possible feedwater. The condensate de mineralizers remove insoluble corrosion products by filtration and remove dissolved ionic materials, i.e., metals and salts, by ion exchange. They also afford limited prbtection