{"database": "openregs", "table": "federal_register", "rows": [["2022-23524", "Ambient Air Monitoring Reference and Equivalent Methods; Designation of One New Equivalent Method", "Notice", "Notice is hereby given that the Environmental Protection Agency (EPA) has designated one new equivalent method for measuring concentrations of Particulate Matter in the 2.5-micron range (PM<INF>2.5</INF>) in ambient air.", "2022-10-28", 2022, 10, "https://www.federalregister.gov/documents/2022/10/28/2022-23524/ambient-air-monitoring-reference-and-equivalent-methods-designation-of-one-new-equivalent-method", "https://www.govinfo.gov/content/pkg/FR-2022-10-28/pdf/2022-23524.pdf", "Environmental Protection Agency", "145", "Notice is hereby given that the Environmental Protection Agency (EPA) has designated one new equivalent method for measuring concentrations of Particulate Matter in the 2.5-micron range (PM<INF>2.5</INF>) in ambient air.", null]], "columns": ["document_number", "title", "type", "abstract", "publication_date", "pub_year", "pub_month", "html_url", "pdf_url", "agency_names", "agency_ids", "excerpts", "regulation_id_numbers"], "primary_keys": ["document_number"], "primary_key_values": ["2022-23524"], "units": {}, "query_ms": 0.9358820097986609, "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"}