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withdrawn,object_id PHMSA-2017-0025-0004,PHMSA,PHMSA-2017-0025,US. DOT/PHMSA - Denial Letter,Other,Letter(s),2019-06-06T04:00:00Z,2019,6,2019-06-06T04:00:00Z,,2019-06-06T19:26:04Z,,0,0,0900006483cf088e PHMSA-2017-0025-0003,PHMSA,PHMSA-2017-0025,US. DOT/PHMSA - Acknowledgement Letter,Other,Acknowledgement Letter/Receipt,2017-10-13T04:00:00Z,2017,10,2017-10-13T04:00:00Z,,2017-10-13T15:48:36Z,,0,0,0900006482bc7a02 PHMSA-2017-0025-0002,PHMSA,PHMSA-2017-0025,U.S. DOT/PHMSA - P-1699 Acknowledgement Letter,Other,Acknowledgement Letter/Receipt,2017-03-15T04:00:00Z,2017,3,2017-03-15T04:00:00Z,,2017-03-15T19:21:04Z,,0,0,0900006482509eec PHMSA-2017-0025-0001,PHMSA,PHMSA-2017-0025,P-1699 Trinity Containers - Minimum Thickness Shells,Other,Petition for Rulemaking,2017-02-24T05:00:00Z,2017,2,2017-02-24T05:00:00Z,,2017-02-24T16:34:40Z,,0,0,09000064824d83a2