{"database": "openregs", "table": "documents", "rows": [["MSHA-2023-0001-0998", "MSHA", "MSHA-2023-0001", "Zhuang, Z., Bergman, M., Lei, Z., Niezgoda, G., and Shaffer, R. 2017. Recommended Test Methods and Pass/fail Criteria for a Respirator Fit Capability Test of Half-mask Air-purifying Respirators", "Supporting & Related Material", null, "2023-07-13T04:00:00Z", 2023, 7, null, null, "2023-07-13T12:36:53Z", null, 0, 0, "090000648596938f"]], "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"posted_month", "comment_start_date", "comment_end_date", "last_modified", "fr_doc_num", "open_for_comment", "withdrawn", "object_id"], "primary_keys": ["id"], "primary_key_values": ["MSHA-2023-0001-0998"], "units": {}, "query_ms": 6.661689840257168, "source": "Federal Register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"}