§ 84.301 - Applicability to new and previously approved CCERs.

§ 84.301 Applicability to new and previously approved CCERs.

Cross Reference

Link to an amendment published at 84 FR 16412, Apr. 19, 2019.

(a(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

CCERs

closed-circuit apparatus previously approved under subpart H is authorized for units

intended to be used in mining applications with durations comparable to Cap 1 (all CCERs with a rated service time ≤20 minutes), and units intended to be used in mining and non-mining applications with durations comparable to Cap 3 (all CCERs with a rated service time ≥50 minutes), until 1 year after the date of the first NIOSH approval of a respirator model under each respective category specified.

(brequired for use in underground coal mines pursuant to 30 CFR 75.1714-1.

(c) Any manufacturer-requested modification to a device approved under the

former

subpart H

standard

technical requirements must comply with the

former

subpart H

standard

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

number

must meet and be issued approvals under the requirements of this subpart O.

(c) This subpart O applies to all CCERs submitted to NIOSH for a certificate of approval after April 9, 2012.

[80 FR 48272, Aug. 12, 2015[84 FR 16412, Apr. 19, 2019]