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Transportation Conformity Notice of Proposed Rulemaking: Conformity Amendments for the New 8-hour Ozone and PM(2.5) National Ambient Air Quality Standards.

机译:建议规则制定的运输合格通知:新的8小时臭氧和pm(2.5)国家环境空气质量标准的合格修正案。

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The U.S. Environmental Protection Agency (EPA) is proposing to revise the transportation conformity rule to include criteria and procedures for conducting conformity determinations for the new 8-hour ozone and fine particulate matter (PM2.5) national ambient air quality standards (NAAQS). Transportation conformity is a Clean Air Act requirement that ensures that federally supported highway and transit project activities are consistent with (conform to) the purpose of a state air quality implementation plan (SIP). EPA is conducting this rulemaking to revise the conformity regulation in the context of EPAs broader strategies for implementing the new ozone and PM2.5 NAAQS. EPA plans to issue a final rule for this proposal by 8-hour ozone area designations in April 2004.

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