documents: EPA-HQ-OAR-2007-0492-0189

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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posted_date posted_year posted_month comment_start_date comment_end_date last_modified fr_doc_num open_for_comment withdrawn object_id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-2007-0492-0189 EPA EPA-HQ-OAR-2007-0492 Letter to Administrator Jackson from Dr. Armistead Russell and Dr. Jonathan M. Samet, Clean Air Scientific Advisory Committee. SUBJECT: Review of the White Paper on Particulate Matter (PM) Light Extinction Measurements. Dated: April 29, 2010. [EPA-CASAC-10-010]. Supporting & Related Material Letter, Memorandum, Email 2010-08-17T04:00:00Z 2010 8     2010-08-17T14:44:37Z   0 0 0900006480b3213e

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