{"database": "openregs", "table": "fr_regs_crossref", "rows": [["E7-23094", "EPA-HQ-OPP-2007-0431-0020"]], "columns": ["fr_document_number", "regs_document_id"], "primary_keys": ["fr_document_number", "regs_document_id"], "primary_key_values": ["E7-23094", "EPA-HQ-OPP-2007-0431-0020"], "units": {}, "query_ms": 0.7027990068309009, "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"}