federal_register: 2020-23100

All Federal Register documents (rules, proposed rules, notices, presidential documents) from 1994 to present. Nearly 1M documents with full-text search.

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document_number title type abstract publication_date pub_year pub_month html_url pdf_url agency_names agency_ids excerpts regulation_id_numbers
2020-23100 Final Integrated Science Assessment for Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter-Ecological Criteria Notice The Environmental Protection Agency (EPA) is announcing the availability of a final document titled, "Final Integrated Science Assessment for Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter--Ecological Criteria" (EPA/600/R-20/278). The document was prepared by the Center for Public Health and Environmental Assessment (CPHEA) within EPA's Office of Research and Development (ORD) as part of the review of the secondary (welfare-based) national ambient air quality standards (NAAQS) for oxides of nitrogen, oxides of sulfur, and particulate matter. This ISA represents an update of the 2008 Integrated Science Assessment for Oxides of Nitrogen and Sulfur-- Ecological Criteria (EPA/600/R-08/082F) and the 2009 Integrated Science Assessment for Particulate Matter (EPA/600/AR-08/139F). The ISA, in conjunction with additional technical and policy assessments, provides the basis for EPA's decisions on the adequacy of the current NAAQS and the appropriateness of possible alternative standards. 2020-10-19 2020 10 https://www.federalregister.gov/documents/2020/10/19/2020-23100/final-integrated-science-assessment-for-oxides-of-nitrogen-oxides-of-sulfur-and-particulate https://www.govinfo.gov/content/pkg/FR-2020-10-19/pdf/2020-23100.pdf Environmental Protection Agency 145 The Environmental Protection Agency (EPA) is announcing the availability of a final document titled, "Final Integrated Science Assessment for Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter--Ecological Criteria" (EPA/600/R-20/278). The...  

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