View all text of Subpart C [§ 197.501 - § 197.580]
§ 197.520 - Performance standard.
No person may be subjected to a personal exposure in excess of the permissible exposure limits unless respiratory protection is used.
View all text of Subpart C [§ 197.501 - § 197.580]
No person may be subjected to a personal exposure in excess of the permissible exposure limits unless respiratory protection is used.