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withdrawn,object_id MSHA-2010-0008-0001,MSHA,MSHA-2010-0008,Examinations of Work Areas in Underground Coal Mines for Violations of Mandatory Health or Safety Standards,Proposed Rule,Notice of Proposed Rulemaking,2010-12-28T05:00:00Z,2010,12,2010-12-28T05:00:00Z,2011-08-02T03:59:59Z,2011-06-23T15:16:42Z,,0,0,0900006480bc1536 MSHA-2010-0008-0031,MSHA,MSHA-2010-0008,Examinations of Work Areas in Underground Coal Mines for Violations of Mandatory Health or Safety Standards,Proposed Rule,,2010-12-27T00:00:00Z,2010,12,,,2011-06-11T16:48:01Z,,0,1,0900006480bc03b6 MSHA-2010-0007-0001,MSHA,MSHA-2010-0007,"Lowering Miners' Exposure to Respirable Coal Mine Dust, Including Continuous Personal Dust Monitors",Proposed Rule,Notice of Proposed Rulemaking,2010-10-19T04:00:00Z,2010,10,2010-10-19T04:00:00Z,2011-06-21T03:59:59Z,2013-08-10T23:11:02Z,201,0,0,0900006480b72875 MSHA-2010-0004-0001,MSHA,MSHA-2010-0004,Metal and Nonmetal Dams,Proposed Rule,Advance Notice of Proposed Rulemaking,2010-08-16T04:00:00Z,2010,8,2010-08-16T04:00:00Z,2010-10-13T03:59:59Z,2011-06-11T16:45:38Z,156,0,0,0900006480b3200b MSHA-2011-0002-0001,MSHA,MSHA-2011-0002,Proximity Detection Systems for Underground Mines,Proposed Rule,,2010-02-01T00:00:00Z,2010,2,,,2011-08-31T14:11:10Z,,0,1,0900006480a886b2