documents: EPA-HQ-OAR-2007-0492-10012

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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posted_date posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id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-2007-0492-10012 EPA EPA-HQ-OAR-2007-0492 Guidance Concerning the Implementation of the 1-hour NO2 NAAQS for the Prevention of Significant Deterioration Program. Memorandum from Stephen D. Page, Director, USEPA, Office of Air Quality Planning and Standards to Air Division Directors. June 29, 2010. Supporting & Related Material Memorandum 2012-12-18T05:00:00Z 2012 12     2012-12-18T15:42:26Z   0 0 090000648118c437

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