federal_register: E9-22951

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts
E9-22951 Final Risk and Exposure Assessment Report for Secondary National Ambient Air Quality Standards for Oxides of Nitrogen and Oxides of Sulfur Notice On or about September 15, 2009, the Office of Air Quality Planning and Standards (OAQPS) of EPA is making available a final report, Risk and Exposure Assessment for Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen and Oxides of Sulfur: Final Report. The purpose of this document is to convey the approach taken to assess environmental exposures to ambient oxides of nitrogen and sulfur and to characterize associated public welfare risks, as well as to present the results of those assessments. 2009-09-23 2009 9 https://www.federalregister.gov/documents/2009/09/23/E9-22951/final-risk-and-exposure-assessment-report-for-secondary-national-ambient-air-quality-standards-for https://www.govinfo.gov/content/pkg/FR-2009-09-23/pdf/E9-22951.pdf Environmental Protection Agency 145 On or about September 15, 2009, the Office of Air Quality Planning and Standards (OAQPS) of EPA is making available a final report, Risk and Exposure Assessment for Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen...

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