{"database": "openregs", "table": "documents", "rows": [["EPA-HQ-OAR-2007-0562-0233", "EPA", "EPA-HQ-OAR-2007-0562", "Letters dated June 18, 2007 to Tribes in Region I from Robert W. Varney, EPA Region I Regional Administrator, inviting each Tribe to participate in the designation process by consulting with the Environmental Protection Agency regarding appropriate designations of Indian country areas for the 2006 revised 24-hour PM2.5 National Ambient Air Quality Standards (NAAQS)", "Supporting & Related Material", "Letter, Memorandum, Email", "2009-11-13T05:00:00Z", 2009, 11, null, null, "2009-11-13T15:23:18Z", null, 0, 0, "09000064806fdd28"]], "columns": ["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"posted_month", "comment_start_date", "comment_end_date", "last_modified", "fr_doc_num", "open_for_comment", "withdrawn", "object_id"], "primary_keys": ["id"], "primary_key_values": ["EPA-HQ-OAR-2007-0562-0233"], "units": {}, "query_ms": 31.907839002087712, "source": "Federal Register API & Regulations.gov API", "source_url": "https://www.federalregister.gov/developers/api/v1", "license": "Public Domain (U.S. Government data)", "license_url": "https://www.regulations.gov/faq"}