{"database": "openregs", "table": "federal_register", "rows": [["2022-26504", "Approval and Promulgation of Implementation Plans; Montana; Libby 1997 Annual PM2.5 Limited Maintenance Plan and Redesignation Request", "Proposed Rule", "The Environmental Protection Agency (EPA or the Agency) is proposing to take three separate but related actions. First, EPA is proposing to determine that the Libby fine particulate matter (PM<INF>2.5</INF>) nonattainment area (Libby Area) is attaining the 1997 annual PM<INF>2.5</INF> national ambient air quality standards (NAAQS or standard) based on 2014-2021 data. The Agency is also proposing to approve Montana's plan for maintaining the 1997 annual PM<INF>2.5</INF> NAAQS (limited maintenance plan) and to redesignate the Libby Area to attainment for the 1997 annual PM<INF>2.5</INF> NAAQS, submitted by the State of Montana on June 24, 2020.", "2022-12-06", 2022, 12, "https://www.federalregister.gov/documents/2022/12/06/2022-26504/approval-and-promulgation-of-implementation-plans-montana-libby-1997-annual-pm25-limited-maintenance", "https://www.govinfo.gov/content/pkg/FR-2022-12-06/pdf/2022-26504.pdf", "Environmental Protection Agency", "145", "The Environmental Protection Agency (EPA or the Agency) is proposing to take three separate but related actions. First, EPA is proposing to determine that the Libby fine particulate matter (PM<INF>2.5</INF>) nonattainment area (Libby Area) is attaining...", 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": ["2022-26504"], "units": {}, "query_ms": 0.3877449780702591, "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"}