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withdrawn,object_id PHMSA-2009-0150-0002,PHMSA,PHMSA-2009-0150,U.S. DOT/PHMSA - Acknowledgement Letter,Other,Acknowledgement Letter/Receipt,2009-06-22T04:00:00Z,2009,6,2009-06-22T04:00:00Z,,2013-07-27T22:47:29Z,,0,0,09000064809d3d33 PHMSA-2009-0150-0001,PHMSA,PHMSA-2009-0150,Association of HAZMAT Shippers - Request for Correction,Other,Request,2009-05-20T04:00:00Z,2009,5,2009-05-20T04:00:00Z,,2013-07-27T22:45:06Z,,0,0,09000064809a0cb2