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withdrawn,object_id PHMSA-2009-0140-0003,PHMSA,PHMSA-2009-0140,U.S. DOT/PHMSA - U.S. DOT/PHMSA - Decision/Update P-1539,Other,Agency Response,2011-08-16T04:00:00Z,2011,8,,,2011-08-16T14:13:40Z,,0,0,0900006480ede68c PHMSA-2009-0140-0002,PHMSA,PHMSA-2009-0140,U.S. DOT/PHMSA - Acknowledgement Letter,Other,Other,2009-05-22T04:00:00Z,2009,5,2009-05-22T04:00:00Z,,2013-07-27T22:45:21Z,,0,0,09000064809a8fd9 PHMSA-2009-0140-0001,PHMSA,PHMSA-2009-0140,"Matheson TriGas, Inc. - Petition for Rulemaking - P-1539",Other,Petition(s),2009-05-06T04:00:00Z,2009,5,2009-05-06T04:00:00Z,,2013-08-11T01:27:19Z,,0,0,09000064809765d6