Document: NUREG-0800
Document ID: ba7b8f31-872f-4ab8-bdf8-7be885afd4b6
Document Type: srp
Title: LIQUID WASTE MANAGEMENT SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1502/ML15029A032.pdf
Revision Date: 2023-06
Chapter: 11
Section ID: 11.2
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e of such valves upon the detection of elevated radioactivity levels, and, if part of the design, controls in monitoring deviations of in-plant dilution flow rates in terminating releases or isolating process flows when deviations exceed preset limits. Other considerations include determining whether system logic demands that a valve or damper should fail in the closed position in protecting the system from further contamination, terminating releases to the environment, or diverting process streams or effluents to appropriate treatment subsystems. 11.2-44 Revision 5 – January 2016 12. For ESP applications, clarification is provided in reviewing the estimates of the source terms of liquid radioactive effluents and radionuclide concentration levels at the site boundary. For a source term based on a single type of reactor design, the staff will confirm that the applied source term is consistent with that presented in the current revision of the DC for the selected reactor technology. For a source term based on two or more types of reactor designs, the staff will confirm that the source term, as a plant parameter envelope, is consistent with that presented in the current revision of each DC and conservatively bounding over all expected radionuclides and estimate of releases. 13. For ESP applications, clarification is provided for the staff in reviewing the results of a bounding dose assessment and demonstrate the capability to comply with 10 CFR Part 20 dose limits and 10 CFR Part 50, Appendix I design objectives. The staff’s conclusion of acceptability is based on site-specific data assumptions presented by the applicant as to the types of exposure pathways and locations of dose receptors. However, should future local land-use information reveal that new and different exposure pathways and dose receptors exist from that described in the ESP, the applicant should identify this possibility and flag it as a COL action item for consideration in a COL application. The