30 CFR Part 70 — Mandatory Health Standards—Underground Coal Mines
Subpart A — General
Subpart B — Dust Standards
Subpart C — Sampling Procedures
- § 70.201— Sampling; general and technical requirements.
- § 70.202— Certified person; sampling.
- § 70.203— Certified person; maintenance and calibration.
- § 70.204— Approved sampling devices; maintenance and calibration.
- § 70.205— Approved sampling devices; operation; air flowrate.
- § 70.208— Quarterly sampling; mechanized mining units.
- § 70.209— Quarterly sampling; designated areas.
- § 70.210— Respirable dust samples; transmission by operator.
- § 70.211— Respirable dust samples; report to operator; posting.
- § 70.212— Status change reports.