federal_register: E9-21822

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
E9-21822 Release of Draft Documents Related to the Review of the National Ambient Air Quality Standards for Particulate Matter Notice On or about September 4, 2009, the Office of Air Quality Planning and Standards (OAQPS) of EPA is making available for public comment two draft assessment documents: Risk Assessment to Support the Review of the PM Primary National Ambient Air Quality Standards-- External Review Draft and Particulate Matter Urban-Focused Visibility Assessment--External Review Draft. These draft documents describe the quantitative analyses that are being conducted as part of the review of the National Ambient Air Quality Standards (NAAQS) for particulate matter (PM). 2009-09-10 2009 9 https://www.federalregister.gov/documents/2009/09/10/E9-21822/release-of-draft-documents-related-to-the-review-of-the-national-ambient-air-quality-standards-for https://www.govinfo.gov/content/pkg/FR-2009-09-10/pdf/E9-21822.pdf Environmental Protection Agency 145 On or about September 4, 2009, the Office of Air Quality Planning and Standards (OAQPS) of EPA is making available for public comment two draft assessment documents: Risk Assessment to Support the Review of the PM Primary National Ambient Air Quality...  

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