{"data":{"id":"us/40-cfr-49.9895","jurisdiction":"us","citation":"40 CFR 49.9895","heading":"Classification of regions for episode plans.","body":"The air quality control region which encompasses the Chehalis 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 II","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":"cfc642a5d95a27dcf0f1492c832a7a1b2091464589378c3d6a4b1f84a3c97b7e","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-49.9894","next":"us/40-cfr-49.9896"},"notice":"GroundRules: Original legal text. Not legal advice."}