{"database": "openregs", "table": "federal_register", "rows": [["2020-23031", "Limited Approval, Limited Disapproval of Arizona Air Plan Revisions, Hayden Area; Sulfur Dioxide Control Measures-Copper Smelters", "Rule", "The Environmental Protection Agency (EPA) is finalizing a limited approval and limited disapproval of a revision to the Arizona State Implementation Plan (SIP). This revision concerns sulfur dioxide (SO<INF>2</INF>) emissions from the primary copper smelter in Hayden, Arizona. Specifically, we are taking action on a local rule submitted by the Arizona Department of Environmental Quality (ADEQ) that regulates these emissions under the Clean Air Act (CAA or the Act).", "2020-11-05", 2020, 11, "https://www.federalregister.gov/documents/2020/11/05/2020-23031/limited-approval-limited-disapproval-of-arizona-air-plan-revisions-hayden-area-sulfur-dioxide", "https://www.govinfo.gov/content/pkg/FR-2020-11-05/pdf/2020-23031.pdf", "Environmental Protection Agency", "145", "The Environmental Protection Agency (EPA) is finalizing a limited approval and limited disapproval of a revision to the Arizona State Implementation Plan (SIP). This revision concerns sulfur dioxide (SO<INF>2</INF>) emissions from the primary copper...", 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": ["2020-23031"], "units": {}, "query_ms": 37.75705804582685, "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"}