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withdrawn,object_id MSHA-2016-0013-0043,MSHA,MSHA-2016-0013,Respirable Silica (Quartz); Correction,Proposed Rule,,2019-09-27T04:00:00Z,2019,9,2019-09-27T04:00:00Z,2019-10-29T03:59:59Z,2019-10-29T01:02:48Z,2019-20751,0,0,0900006483fdd840 MSHA-2016-0013-0001,MSHA,MSHA-2016-0013,Respirable Silica (Quartz) - Request for Information,Proposed Rule,,2019-08-29T04:00:00Z,2019,8,2019-08-29T04:00:00Z,2019-10-29T03:59:59Z,2019-11-21T02:01:06Z,2019-18478,0,0,0900006483ed7bb0 MSHA-2018-0014-0007,MSHA,MSHA-2018-0014,Retrospective Study of Respirable Coal Mine Dust Rule,Proposed Rule,,2019-07-03T04:00:00Z,2019,7,2019-07-03T04:00:00Z,2022-07-10T03:59:59Z,2022-05-14T01:00:43Z,2019-14271,0,0,0900006483d5b146 MSHA-2014-0031-0185,MSHA,MSHA-2014-0031,Requests for Information: Exposure of Underground Miners to Diesel Exhaust,Proposed Rule,,2019-03-25T04:00:00Z,2019,3,2019-03-25T04:00:00Z,2020-09-26T03:59:59Z,2020-09-24T01:01:07Z,2019-05443,0,0,0900006483b25178