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Title 42

Displaying title 42, up to date as of 7/20/2026. Title 42 was last amended 7/20/2026.
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Title 42Public HealthPart / Section
Chapter IPublic Health Service, Department of Health and Human Services2 – 199
Subchapter GOccupational Safety and Health Research and Related Activities80 – 88
Part 84Approval of Respiratory Protective Devices84.1 – 84.311
Subpart LChemical Cartridge Respirators84.190 – 84.207
§ 84.190Chemical cartridge respirators: description.
§ 84.191Chemical cartridge respirators; required components.
§ 84.192Cartridges in parallel; resistance requirements.
§ 84.193Cartridges; color and markings; requirements.
§ 84.194Filters used with chemical cartridges; location; replacement.
§ 84.195Breathing tubes; minimum requirements.
§ 84.196Harnesses; installation and construction; minimum requirements.
§ 84.197Respirator containers; minimum requirements.
§ 84.198Half-mask facepieces, full facepieces, mouthpieces, hoods, and helmets; fit; minimum requirements.
§ 84.199Facepieces, hoods, and helmets; eyepieces; minimum requirements.
§ 84.200Inhalation and exhalation valves; minimum requirements.
§ 84.201Head harnesses; minimum requirements.
§ 84.202Air velocity and noise levels; hoods and helmets; minimum requirements.
§ 84.203Breathing resistance test; minimum requirements.
§ 84.204Exhalation valve leakage test; minimum requirements.
§ 84.205Facepiece test; minimum requirements.
§ 84.206Particulate tests; respirators with filters; minimum requirements; general.
§ 84.207Bench tests; gas and vapor tests; minimum requirements; general.
Tables to Subpart L of Part 84
Tables to Subpart L of Part 84