{"data":{"id":"us/42-cfr-84.192","jurisdiction":"us","citation":"42 CFR 84.192","heading":"Cartridges in parallel; resistance requirements.","body":"Where two or more cartridges are used in parallel, their resistance to airflow shall be essentially equal.","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 L—Chemical Cartridge 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":"a7961c858ae7c31d2749a4bb034f10ffb907194511719a248ba434bd0ad9e063","source_id":"us-cfr","stale":true,"prev":"us/42-cfr-84.191","next":"us/42-cfr-84.193"},"notice":"GroundRules: Original legal text. Not legal advice."}