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withdrawn,object_id EPA-HQ-OAR-2002-0051-1923,EPA,EPA-HQ-OAR-2002-0051,"Streitman, F., Ash Grove Cement Company to Hayes-Gorman, L., Oregon Department of Environmental Quality, Ash Grove Company, Durkee Plant Mercury Emissions Test results and Mercury Research Update and correction notice dated August 1, 2007",Supporting & Related Material,"Letter, Memorandum, Email",2007-08-21T04:00:00Z,2007,8,,,2007-08-21T18:24:52Z,,0,0,09000064802770fb EPA-HQ-OAR-2002-0051-1922,EPA,EPA-HQ-OAR-2002-0051,"Email from Matz, Tim, Lehigh Cement to Barnett, K. EPA confirming mercury Testing at Mason City, Iowa",Supporting & Related Material,"Letter, Memorandum, Email",2007-08-15T04:00:00Z,2007,8,,,2007-08-15T23:31:10Z,,0,0,0900006480276fc6