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withdrawn,object_id CDC-2013-0017-0017,CDC,CDC-2013-0017,Development of Inward Leakage Standards for Half-Mask Air-Purifying Particulate Respirators,Proposed Rule,,2013-11-19T05:00:00Z,2013,11,,,2013-12-20T14:23:46Z,2013-27445,0,0,09000064814895b1 CDC-2013-0017-0011,CDC,CDC-2013-0017,Development of Inward Leakage Standards for Half-Mask Air-Purifying Particulate Respirators,Proposed Rule,,2013-09-04T04:00:00Z,2013,9,2013-09-04T04:00:00Z,2014-01-01T04:59:59Z,2014-01-01T02:04:11Z,2013-21430,0,0,09000064813d927e