MEMORANDUM
To: 		Docket EPA-HQ-OAR-2023-0072
From: 		U.S. EPA
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Subject: 	Statutory Background and Regulatory History for CAA Section 111 References 
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THE FOLLOWING ARE references the U.S. Environmental Protection Agency (EPA) cited in section V (Statutory Background and Regulatory History for CAA Section 111) of the preamble of the proposed New Source Performance Standards for Greenhouse Gas Emissions from New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units; Emission Guidelines for Greenhouse Gas Emissions from Existing Fossil Fuel-Fired Electric Generating Units; and Repeal of the Affordable Clean Energy Rule.
