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withdrawn,object_id PHMSA-2011-0140-0031,PHMSA,PHMSA-2011-0140,Hazardous Materials: DOT-Specification Cylinders (RRR),Proposed Rule,Notice of Proposed Rulemaking (NPRM),2016-07-26T04:00:00Z,2016,7,2016-07-26T04:00:00Z,2016-09-27T03:59:59Z,2024-11-12T06:12:22Z,2016-16689,1,0,09000064821221f6 PHMSA-2011-0140-0015,PHMSA,PHMSA-2011-0140,Hazardous Materials: Miscellaneous Amendments Pertaining to DOT Specification Cylinders,Proposed Rule,Advance Notice of Proposed Rulemaking (ANPRM),2012-05-29T04:00:00Z,2012,5,2012-05-29T04:00:00Z,2012-08-28T03:59:59Z,2016-09-20T01:00:53Z,2012-12832,0,0,090000648101f7ff