{"data":{"id":"us/42-cfr-84.155","jurisdiction":"us","citation":"42 CFR 84.155","heading":"Airflow resistance test; Type C supplied-air respirator, continuous flow class and Type CE supplied-air respirator; minimum requirements.","body":"The resistance to air flowing from the respirator shall not exceed 25 mm. (1 inch) of water-column height when the air flow into the respiratory-inlet covering is 115 liters (4 cubic feet) per minute.","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 J—Supplied-Air 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":"bb362453303677bc7bc42faa9c696d52fca95dd38c0d4435dca0faa4824f55ac","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-84.154","next":"us/42-cfr-84.156"},"notice":"GroundRules: Original legal text. Not legal advice."}