{"data":{"id":"us/42-cfr-84.181","jurisdiction":"us","citation":"42 CFR 84.181","heading":"Communication performance test—PAPR class PAPR100.","body":"(a) Powered air-purifying respirators must be designed to allow for proper communication while worn.\n(b) A Modified Rhyme Test 7 will be used to test the wearer's ability to communicate efficiently.\n(c) The communications requirement is met if the overall performance rating is greater than or equal to 70 percent.","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 K—Air-Purifying Particulate Respirators"],"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":"8db5640cb2ebd1ea3971fb2d2841430d0e087ca9d05233266eb9e058af399e40","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-84.180","next":"us/42-cfr-84.190"},"notice":"GroundRules: Original legal text. Not legal advice."}