Document: NRC Regulatory Guide
Document ID: 01fb3132-b05a-41a0-ab81-466a6fb6f4d3
Document Type: regulatory_guide
Title: Preparation of Environmental Reports for Nuclear Power Plant License Renewal Applications (Rev. 1)
Source: NRC Regulatory Guide Division 4
Source URL: https://www.nrc.gov/docs/ML0916/ML091620409.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-4.2S1
CFR Part: 
CFR Title: 

Content:
in December 2008. The final rule requires that Federal agencies prepare a written conformity analysis and determination for proposed actions in NAAQS nonattainment or 1 Section 176(c) of the Clean Air Act defines conformity as conformity to the purpose of the SIP to eliminate or reduce the severity and number of violations of the NAAQS and achieve expeditious attainment of such standards, and that such activities will not (1) cause or contribute to any new violation of any standard in any area, (2) increase the frequency or severity of any existing violation of any standard in any area, or (3) delay timely attainment of any standard or any required interim emission reductions or other milestones in any area. 2 Subpart W, “Determining Conformity of General Federal Action to State and Federal Implementation Plans,” in 40 CFR Part 51, “Requirements for Preparation, Adoption, and Submittal of Implementation Plans,” includes the regulatory requirements. DG-4015, Page 15 maintenance areas for which the total of the action’s direct and indirect emissions of criteria pollutants and their precursors would exceed the threshold emission levels of 40 CFR 51.853(b).3,4,5 The ER should provide information, including a description of local and regional air quality, based on published climatological summaries from nearby representative sites with long periods of records, including list of nonattainment and/or maintenance areas. The ER should also describe the onsite meteorological monitoring program and meteorological data monitoring system, the onsite stationary emission sources and applicable permits, and the assessment of cooling tower particulate emissions (if applicable). Additionally, the ER should include a map of the region within a 50-mile (80-kilometer) radius of the site of nonattainment and maintenance areas defined under the Clean Air Act, as amended, and a list of mandatory Class I Federal areas within the same radius. 3.3 Noise The ER should provide