{"data":{"id":"us/40-cfr-61.40","jurisdiction":"us","citation":"40 CFR 61.40","heading":"Applicability.","body":"The provisions of this subpart are applicable to rocket motor test sites.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 61—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS","Subpart D—National Emission Standard for Beryllium Rocket Motor Firing"],"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":"f8e28ec6e1bd52ff1d1683dbc1dd3bbdcb7182b09d6d08a79222e8de79d64757","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-61.34","next":"us/40-cfr-61.41"},"notice":"GroundRules: Original legal text. Not legal advice."}