{"data":{"id":"us/40-cfr-49.10375","jurisdiction":"us","citation":"40 CFR 49.10375","heading":"Classification of regions for episode plans.","body":"The air quality control region which encompasses the Muckleshoot Reservation is classified as follows for purposes of episode plans:\nPollutant Classification\nCarbon monoxide I\nNitrogen dioxide III\nOzone I\nParticulate matter (PM10) I\nSulfur oxides IA","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":"54441c5308cdfb236454afd124766eb4a64f23932053aece1d236fa2a757a1e5","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-49.10374","next":"us/40-cfr-49.10376"},"notice":"GroundRules: Original legal text. Not legal advice."}