{"data":{"id":"us/40-cfr-49.11075","jurisdiction":"us","citation":"40 CFR 49.11075","heading":"Classification of regions for episode plans.","body":"The air quality control region which encompasses the Warm Springs Reservation is classified as follows for purposes of episode plans:\nPollutant Classification\nCarbon monoxide III\nNitrogen dioxide III\nOzone III\nParticulate matter (PM10) II\nSulfur oxides III","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER B—GRANTS AND OTHER FEDERAL ASSISTANCE","PART 49—INDIAN COUNTRY: AIR QUALITY PLANNING AND MANAGEMENT","Subpart M—Implementation Plans for Tribes—Region X"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"2965e11a350a97d2a43769115b4f7f7bdfff47a4618b0bc48a4987d477e4521d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-49.11074","next":"us/40-cfr-49.11076"},"notice":"GroundRules: Original legal text. Not legal advice."}