42 CFR 84.301
§ 84.301 Applicability to new and previously approved CCERs.
United States · 42 CFR — Public Health · Status: effective
Cite this
- Citation
- 42 CFR 84.301, § 84.301 Applicability to new and previously approved CCERs, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/201823
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Full text
(a) Any CCER approval issued after April 9, 2012 must comply with the technical requirements of subpart O.
(b) The continued manufacturing, labeling, and sale of closed-circuit apparatus previously approved under subpart H is authorized for units required for use in underground coal mines pursuant to 30 CFR 75.1714-1.
(c) Any manufacturer-requested modification to a device approved under the subpart H technical requirements must comply with the subpart H technical requirements and address an identified worker safety or health concern to be granted an extension of the NIOSH approval. Major modifications to the configuration that will result in a new approval must meet and be issued approvals under the requirements of this subpart O.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.