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withdrawn,object_id MSHA-2012-0012-0003,MSHA,MSHA-2012-0012,Updated Supporting Statement with Question #8 completed,Supporting & Related Material,,2012-12-21T05:00:00Z,2012,12,,,2012-12-21T17:40:07Z,,0,0,0900006481195c9d MSHA-2012-0012-0001,MSHA,MSHA-2012-0012,Proposed Extension of Existing Information Collection; Health Standards for Diesel Particulate Matter Exposure (Underground Metal and Nonmetal Miners),Notice,,2012-06-04T04:00:00Z,2012,6,2012-06-04T04:00:00Z,2012-08-04T03:59:59Z,2012-06-04T15:03:55Z,107,0,0,090000648102ef33 MSHA-2012-0012-0002,MSHA,MSHA-2012-0012,Supporting Statement Health Standards for Diesel Particulate Matter Exposure (Underground Metal and Nonmetal Mines),Supporting & Related Material,,2012-06-04T04:00:00Z,2012,6,,,2012-06-04T15:03:55Z,,0,0,090000648102ef34