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Code of Federal Regulations Title 42. Public Health § 42.84.157 Airflow resistance test;  Type C supplied-air respirator, pressure-demand class;  minimum requirements

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) The static pressure in the facepiece shall not exceed 38 mm. (1.5 inches) of water-column height.

(b) The pressure in the facepiece shall not fall below atmospheric at inhalation airflows less than 115 liters (4 cubic feet) per minute.

(c) The exhalation resistance to a flow of air at a rate of 85 liters (3 cubic feet) per minute shall not exceed the static pressure in the facepiece by more than 51 mm. (2 inches) of water-column height.

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Cite this article: FindLaw.com - Code of Federal Regulations Title 42. Public Health § 42.84.157 Airflow resistance test;  Type C supplied-air respirator, pressure-demand class;  minimum requirements - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-42-public-health/cfr-sect-42-84-157/

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