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withdrawn,object_id PHMSA-2010-0019-0063,PHMSA,PHMSA-2010-0019,ASME Standards and Certification - Letter,Other,Acknowledgement Letter/Receipt,2012-02-21T05:00:00Z,2012,2,2012-02-21T05:00:00Z,,2013-07-28T00:15:25Z,,0,0,0900006480fb8bac