documents: EPA-HQ-OAR-2002-0027-1450

Regulatory documents from Regulations.gov including rules, proposed rules, notices, and supporting materials.

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id agency_id docket_id title document_type subtype posted_date posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id
EPA-HQ-OAR-2002-0027-1450 EPA EPA-HQ-OAR-2002-0027 National Ambient Air Quality Standards for Ozone and Particulate Matter, Proposed Decision; Requirements for Designation of Reference and Equivalent Methods for PM2.s and Ambient Air Quality [A-95-38-FR-2-20-1997] Supporting & Related Material Publication - Previous/Related FR Notice 2022-03-21T04:00:00Z 2022 3     2022-03-21T13:42:03Z   0 0 09000064825a516a

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