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Current as of January 02, 2025 | Updated by Findlaw Staff
(a) Each approved refuge alternative or component shall be identified by a legible, permanent approval marking that is securely and conspicuously attached to the component or its container.
(b) The approval marking shall be inscribed with the component's MSHA approval number and any additional markings required by the approval.
(c) The refuge alternative structure shall provide a conspicuous means for indicating an out-of-service status, including the reason it is out of service.
(d) The airlock shall be conspicuously marked with the recommended maximum number of persons that can use it at one time.
Cite this article: FindLaw.com - Code of Federal Regulations Title 30. Mineral Resources § 30.7.509 Approval markings - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-30-mineral-resources/cfr-sect-30-7-509/
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