{"database": "openregs", "table": "documents", "rows": [["EPA-HQ-OAR-2007-0562-0320", "EPA", "EPA-HQ-OAR-2007-0562", "Letter dated August 14, 2008 to Carlos Lopez-Freyte, Chairman Puerto Rico Environmental Quality Board, from Alan J. Steinberg, EPA Region II Regional Administrator, providing the USEPA's response to Puerto Rico's December 18, 2007 recommendations for the boundaries of the areas attaining and not attaining the 2006 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, "2009-11-13T15:27:08Z", null, 0, 0, "09000064807d696d"]], "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"posted_month", "comment_start_date", "comment_end_date", "last_modified", "fr_doc_num", "open_for_comment", "withdrawn", "object_id"], "primary_keys": ["id"], "primary_key_values": ["EPA-HQ-OAR-2007-0562-0320"], "units": {}, "query_ms": 1.1921059340238571, "source": "Federal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"}