{"data":{"id":"us/40-cfr-61.41","jurisdiction":"us","citation":"40 CFR 61.41","heading":"Definitions.","body":"Terms used in this subpart are defined in the Act, in subpart A of this part, or in this section as follows:\n(a) Rocket motor test site means any building, structure, facility, or installation where the static test firing of a beryllium rocket motor and/or the disposal of beryllium propellant is conducted.\n(b) Beryllium propellant means any propellant incorporating beryllium.","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":"cc87eeaf62db86d6c8e6f1bf04ddca01bbaf97a1947ca8b1b859edac0c32250a","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-61.40","next":"us/40-cfr-61.42"},"notice":"GroundRules: Original legal text. Not legal advice."}