{"data":{"id":"us/42-cfr-84.52","jurisdiction":"us","citation":"42 CFR 84.52","heading":"Respiratory hazards; classification.","body":"Respirators described in subparts H through L of this part shall be classified as approved for use against any or all of the following respiratory hazards:\n(a) Oxygen deficiency;\n(b) Gases and vapors; and\n(c) Particles, including dusts, fumes and mists.","path":["Title 42—Public Health","CHAPTER I—PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES","SUBCHAPTER G—OCCUPATIONAL SAFETY AND HEALTH RESEARCH AND RELATED ACTIVITIES","PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES","Subpart F—Classification of Approved Respirators; Scope of Approval; Atmospheric Hazards; Service Time"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-42.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:11Z","sha256":"479355f384673f7f0f04494938d2f825d32f1b24323ef02ce7eb60fc969b0d04","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-84.51","next":"us/42-cfr-84.53"},"notice":"GroundRules: Original legal text. Not legal advice."}