{"database": "openregs", "table": "documents", "rows": [["PHMSA-2016-0077-0017", "PHMSA", "PHMSA-2016-0077", "Hazardous Materials: Volatility of Unrefined Petroleum Products and Class 3 Materials", "Proposed Rule", "Extension of Comment Period", "2017-03-21T04:00:00Z", 2017, 3, "2017-03-21T04:00:00Z", null, "2017-03-21T20:09:49Z", "2017-05488", 0, 0, "09000064825159a0"]], "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"posted_month", "comment_start_date", "comment_end_date", "last_modified", "fr_doc_num", "open_for_comment", "withdrawn", "object_id"], "primary_keys": ["id"], "primary_key_values": ["PHMSA-2016-0077-0017"], "units": {}, "query_ms": 94.65340501628816, "source": "Federal Register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"}