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withdrawn,object_id EPA-HQ-ORD-2005-0004-0041,EPA,EPA-HQ-ORD-2005-0004,"Letter to Recipients of Third Draft USEPA Particulate Matter (PM) Criteria Document from Lester D. Grant, Ph.D. Director, USEPA/ORD/NCEA/RTP re: summarization of Health Effects Institute (HEI) letter sent to the USEPA",Supporting & Related Material,"Letter, Memorandum, Email",2002-12-18T05:00:00Z,2002,12,,,2010-07-15T19:15:09Z,,0,0,09000064800c655a EPA-HQ-ORD-2005-0004-0023,EPA,EPA-HQ-ORD-2005-0004,Air Quality Criteria for Particulate Matter,Notice,Federal Register Document,2002-10-28T05:00:00Z,2002,10,,,2010-07-15T19:15:08Z,65791,0,0,09000064800c64ac EPA-HQ-ORD-2005-0004-0045,EPA,EPA-HQ-ORD-2005-0004,"Letter to Dr. Philip K. Hopke, Chemical Engineering Department, University of California at Los Angeles from Lester D. Grant, Ph.D., USEPA/ORD/NCEA/RTP re: CD-ROM and hard copy of the criteria document for particulate matter (PM)",Supporting & Related Material,"Letter, Memorandum, Email",2002-09-17T04:00:00Z,2002,9,,,2010-07-15T19:15:09Z,,0,0,09000064800c658a EPA-HQ-ORD-2005-0004-0020,EPA,EPA-HQ-ORD-2005-0004,EPA Science Advisory Board Notification of Public Advisory Committee Meetings of the SAB Executive Committee and Clean Air Scientific Advisory Committee,Notice,Federal Register Document,2002-06-19T04:00:00Z,2002,6,,,2010-07-15T19:15:08Z,41722,0,0,09000064800c6490 EPA-HQ-ORD-2005-0004-0022,EPA,EPA-HQ-ORD-2005-0004,Air Quality Criteria for Particulate Matter (External Review Draft),Notice,Federal Register Document,2002-05-09T04:00:00Z,2002,5,2002-05-09T04:00:00Z,2002-07-11T03:59:59Z,2010-07-15T19:15:08Z,31303,0,0,09000064800c64a2