{"database": "openregs", "table": "fr_regs_crossref", "rows": [["2021-27619", "EPA-HQ-OPP-2021-0650-0001"]], "columns": ["fr_document_number", "regs_document_id"], "primary_keys": ["fr_document_number", "regs_document_id"], "primary_key_values": ["2021-27619", "EPA-HQ-OPP-2021-0650-0001"], "units": {}, "query_ms": 4.679973935708404, "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"}