documents: EPA-R06-OAR-2017-0435-0013

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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posted_date posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id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-R06-OAR-2017-0435-0013 EPA EPA-R06-OAR-2017-0435 AR026.13 Arkansas Department of Environmental Quality letter to EPA Region 6, January 19, 2012, RE: supplemental certification for the purposes of amending and clarifying the State of Arkansas's prior letters of certification regarding the Clean Air Act Section 110(a)(1) and (2) requirements for the 1997 ozone and PM2.5 National Ambient Air Quality Standards (NAAQS). 9 pages xyf Supporting & Related Material   2017-11-20T05:00:00Z 2017 11     2017-11-21T01:56:19Z   0 0 0900006482c7f7da

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