Note: This table is intended to provide a listing of designations and classifications for current, active National Ambient Air Quality Standards (NAAQS). While NAAQS which have been revoked by the EPA do not appear in this table, some anti-backsliding obligations may continue to apply for revoked … See more 2015 Eight-Hour Ozone Standard Designations: Moderate Nonattainment, effective November 7, 2024 (87 FR 60897) On October 1, 2015, … See more The EPA has set National Ambient Air Quality Standards (NAAQS) for six principal criteria pollutants: ground-level ozone, lead, carbon monoxide, nitrogen dioxide, sulfur … See more WebMar 31, 2024 · Texas Nonattainment/Maintenance Status for Each County by Year for All Criteria Pollutants Data is current as of March 31, 2024 Listed by County, NAAQS, Area. …
Federal Register :: Determinations of Attainment by the Attainment …
WebSep 21, 2024 · An area designated as an Ozone nonattainment area as of the date of enactment of the Clean Air Act Amendments of 1990 has not violated the national primary ambient air quality standard for Ozone for the 36-month period commencing on January 1, 1987, and ending on December 31, 1989. Twelve areas were classified transitional in 1991. WebDevelopment of an air quality plan, known as the State Implementation Plan (SIP), is required for all nonattainment areas to demonstrate how ozone will be reduced to levels … normal saline or lactated ringers
Getting Wise to Bad Air: North Texans Take Smog Monitoring Into Own Hands
WebMar 31, 2024 · Data is current as of February 28, 2024 The 8-hour Ozone (1997) standard was revoked on April 6, 2015 and the 1-hour Ozone (1979) standard was revoked on … WebMar 31, 2024 · Data is current as of February 28, 2024 8-Hour Ozone (2015) Notes Design Values in ppm. "Current Design Values" are current as of the posted Green Book date. Check the Air Quality Design Value site for design value updates. Display : Nonattainment and Maintenance Areas Nonattainment Areas Maintenance Areas WebIn the near future, the Environmental Protection Agency (EPA) could bump up the classification level of the Dallas-Fort Worth (DFW), Houston-Galveston-Brazoria (HGB), … how to remove set screw from shower handle