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withdrawn,object_id EPA-HQ-OAR-2007-0294-0513,EPA,EPA-HQ-OAR-2007-0294,USEPA (2007) Lead: Human Exposure and Health Risk Assessments for Selected Case Studies [EPA-452/R-07-014a],Supporting & Related Material,Risk Assessment,2012-08-14T04:00:00Z,2012,8,,,2012-08-14T17:50:47Z,,0,0,09000064810d6d9e EPA-HQ-OAR-2007-0294-0512,EPA,EPA-HQ-OAR-2007-0294,USEPA (2012) Integrated Science Assessment for Lead; Second External Review Draft [EPA/600/R-10/075B],Supporting & Related Material,Environmental Assessment,2012-08-14T04:00:00Z,2012,8,,,2012-08-14T17:47:00Z,,0,0,09000064810d6b00 EPA-HQ-OAR-2007-0294-0511,EPA,EPA-HQ-OAR-2007-0294,USEPA (2010) Memo: Selection of Airports for the Airport Lead Monitoring Study,Supporting & Related Material,Memorandum,2012-08-14T04:00:00Z,2012,8,,,2012-08-14T17:30:09Z,,0,0,09000064810d59ae EPA-HQ-OAR-2007-0294-0510,EPA,EPA-HQ-OAR-2007-0294,USEPA Response to the 2006 Petition from Friends of the Earth Regarding Lead Emissions from Piston-Engine Aircraft,Supporting & Related Material,Comment Response,2012-07-19T04:00:00Z,2012,7,,,2012-07-19T19:48:28Z,,0,0,09000064810a535e EPA-HQ-OAR-2007-0294-0509,EPA,EPA-HQ-OAR-2007-0294,Development and Evaluation of an Air Quality Modeling Approach to Assess Near-field Impacts of Lead Emissions from Piston-engine Aircraft Operating on Leaded Aviation Gasoline,Supporting & Related Material,Publication - Copyrighted Materials,2012-07-13T04:00:00Z,2012,7,,,2012-07-13T14:40:55Z,,0,0,090000648104cd3d EPA-HQ-OAR-2007-0294-0508,EPA,EPA-HQ-OAR-2007-0294,USEPA (2010) Calculating Piston-Engine Aircraft Airport Inventories for Lead for the 2008 National Emissions Inventory [EPA-420-B-10-044],Supporting & Related Material,Publication - USEPA,2012-07-13T04:00:00Z,2012,7,,,2012-07-13T14:02:37Z,,0,0,0900006481089ca8