Requests for Additional Information Regarding the Combined License Application for South Texas Project, Units 3 and 4

This page provides access to requests for additional information (RAIs) that the U.S. Nuclear Regulatory Commission (NRC) has issued in connection with its review of the application that STP Nuclear Operating Company (STPNOC) and Nuclear Innovation North America, LLC (NINA) submitted to obtain a combined license (COL) for South Texas Project, Units 3 & 4. The purpose of these RAIs is to obtain all of the information that the NRC staff deems necessary to resolve any safety or environmental issues that are not adequately addressed in the application. Consequently, the applicant's responses to RAIs become supplements to the initial application. For details, see the following categories of RAIs on this page:

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Safety RAIs

For all safety-related RAIs and the applicant's related responses, please refer to the eRAI Safety Report. Note that some RAIs and related responses may not be publicly available because they contain sensitive information.

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Environmental RAIs

The following table provides access to environmental RAIs and the applicant's subsequent responses.

RAI Date RAI Letter No. and Subject Applicant Response
05/19/08 RAI Letter Related To The Environmental Report 08/27/08
11/18/08 Second RAI Letter Related to the Environmental Report 06/29/09
04/22/09 Third RAI Letter Related to the Environmental Report 09/22/09
08/14/09 Fourth RAI Letter Related to the Environmental Report 09/28/09
10/01/09 Supplemental RAI Letter Related to the Environmental Report - Alternative Sites 11/30/09

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