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withdrawn,object_id EPA-HQ-OAR-2011-0816-0003,EPA,EPA-HQ-OAR-2011-0816,California State Motor Vehicle Pollution Control Standards; Notice of Waiver of Clean Air Act Preemption; California's 2010 Model Year Heavy-Duty Vehcle and Engine On-Board Diagnostic Standards; Notice of Decision,Notice,,2012-12-10T05:00:00Z,2012,12,,,2012-12-12T17:14:09Z,2012-29792,0,0,090000648118467e EPA-HQ-OAR-2011-0816-0002,EPA,EPA-HQ-OAR-2011-0816,"California Air Resources Board (CARB) waiver request cover letter September 27, 2010",Supporting & Related Material,Letter,2011-11-16T05:00:00Z,2011,11,,,2011-11-16T15:30:29Z,,0,0,0900006480f6cdb5 EPA-HQ-OAR-2011-0816-0001,EPA,EPA-HQ-OAR-2011-0816,California State Motor Vehicle Pollution Control Standards; Amendments to the California Heavy-Duty Engine On-Board Diagnostic Regulation; Waiver Request; Opportunity for Public Hearing,Notice,Hearings,2011-11-10T05:00:00Z,2011,11,2011-11-10T05:00:00Z,2012-01-10T04:59:59Z,2011-11-22T20:29:32Z,2011-29168,0,0,0900006480f69b7f