{"database": "openregs", "table": "federal_register", "rows": [["2010-21959", "Revisions to the Arizona State Implementation Plan, Maricopa County", "Proposed Rule", "EPA is proposing to approve revisions to the Maricopa County portion of the Arizona State Implementation Plan (SIP). These revisions concern particulate matter (PM) emissions from fugitive dust sources such as construction sites and related activities, unpaved roads, unpaved parking lots, and disturbed soils on vacant lots. We are approving local rules that regulate these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act). We are taking comments on this proposal and plan to follow with a final action.", "2010-09-02", 2010, 9, "https://www.federalregister.gov/documents/2010/09/02/2010-21959/revisions-to-the-arizona-state-implementation-plan-maricopa-county", "https://www.govinfo.gov/content/pkg/FR-2010-09-02/pdf/2010-21959.pdf", "Environmental Protection Agency", "145", "EPA is proposing to approve revisions to the Maricopa County portion of the Arizona State Implementation Plan (SIP). These revisions concern particulate matter (PM) emissions from fugitive dust sources such as construction sites and related activities,...", 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": ["2010-21959"], "units": {}, "query_ms": 3.2304389751516283, "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"}