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withdrawn,object_id PHMSA-2016-0085-0003,PHMSA,PHMSA-2016-0085,US DOT/PHMSA - Acknowledgement Letter - P-1677,Other,Acknowledgement Letter/Receipt,2017-10-25T04:00:00Z,2017,10,2017-10-25T04:00:00Z,,2017-10-25T13:33:51Z,,0,0,0900006482bffa42 PHMSA-2016-0085-0002,PHMSA,PHMSA-2016-0085,U.S. DOT/PHMSA - Response Letter re: International Institute of Ammonia Refrigeration,Other,Response(s),2017-10-25T04:00:00Z,2017,10,2017-10-25T04:00:00Z,,2017-10-25T13:31:14Z,,0,0,0900006482bfe942