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withdrawn,object_id PHMSA-2010-0378-0004,PHMSA,PHMSA-2010-0378,U.S. DOT/PHMSA - Response Letter,Other,Agency Response,2011-07-15T04:00:00Z,2011,7,2011-07-15T04:00:00Z,,2011-07-15T20:06:07Z,,0,0,0900006480ec2a5c PHMSA-2010-0378-0001,PHMSA,PHMSA-2010-0378,U.S. DOT/PHMSA - Acknowledgement Letter,Other,Acknowledgement Letter/Receipt,2010-12-28T05:00:00Z,2010,12,2010-12-28T05:00:00Z,,2010-12-28T21:19:47Z,,0,0,0900006480bbee4e