{"data":{"id":"us/10-cfr-850.22","jurisdiction":"us","citation":"10 CFR 850.22","heading":"Permissible exposure limit.","body":"The responsible employer must assure that no worker is exposed to an airborne concentration of beryllium greater than the permissible exposure limit established in 29 CFR 1910.1000, as measured in the worker's breathing zone by personal monitoring, or a more stringent TWA PEL that may be promulgated by the Occupational Safety and Health Administration as a health standard.","path":["Title 10—Energy","CHAPTER III—DEPARTMENT OF ENERGY","PART 850—CHRONIC BERYLLIUM DISEASE PREVENTION PROGRAM","Subpart C—Specific Program Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-10.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:09Z","sha256":"fd907e93167444e7a8e4c10e049958f606c911a6e14a520fd67540d4d36fbc75","source_id":"us-cfr","stale":true,"prev":"us/10-cfr-850.21","next":"us/10-cfr-850.23"},"notice":"GroundRules: Original legal text. Not legal advice."}