GroundRules
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- 30 CFR 23.3 · Application procedures and requirements.
- 30 CFR 23.4 · [Reserved]
- 30 CFR 23.5 · Conditions governing investigations.
- 30 CFR 23.6 · General requirements for approval.
- 30 CFR 23.7 · Specific requirements for approval.
- 30 CFR 23.8 · Inspection and tests.
- 30 CFR 23.9 · Special requirements for complete devices.
- 30 CFR 23.10 · Material required for MSHA records.
- 30 CFR 23.11 · How approvals are granted.
- 30 CFR 23.12 · Wording, purpose, and use of approval plate.
- 30 CFR 23.13 · Withdrawal of approval.
- 30 CFR 23.14 · Instructions for handling future changes in design.
- 30 CFR 27.1 · Purpose.
- 30 CFR 27.2 · Definitions.
- 30 CFR 27.3 · Consultation.
- 30 CFR 27.4 · Application procedures and requirements.
- 30 CFR 27.5 · Letter of certification.
- 30 CFR 27.6 · Certification of components.
- 30 CFR 27.7 · Certification plate or label.
- 30 CFR 27.8 · [Reserved]
- 30 CFR 27.9 · Date for conducting tests.
- 30 CFR 27.10 · Conduct of investigations, tests, and demonstrations.
- 30 CFR 27.11 · Extension of certification.
- 30 CFR 27.12 · Withdrawal of certification.
- 30 CFR 27.20 · Quality of material, workmanship, and design.
- 30 CFR 27.21 · Methane-monitoring system.
- 30 CFR 27.22 · Methane detector component.
- 30 CFR 27.23 · Automatic warning device.
- 30 CFR 27.24 · Power-shutoff component.
- 30 CFR 27.30 · Inspection.
- 30 CFR 27.31 · Testing methods.
- 30 CFR 27.32 · Tests to determine performance of the system.
- 30 CFR 27.33 · Test to determine explosion-proof construction.
- 30 CFR 27.34 · Test for intrinsic safety.
- 30 CFR 27.35 · Tests to determine life of critical components and subassemblies.
- 30 CFR 27.36 · Test for adequacy of electrical insulation and clearances.
- 30 CFR 27.37 · Tests to determine adequacy of safety devices for bulbs.
- 30 CFR 27.38 · Tests to determine adequacy of windows and lenses.
- 30 CFR 27.39 · Tests to determine resistance to vibration.
- 30 CFR 27.40 · Test to determine resistance to dust.
- 30 CFR 27.41 · Test to determine resistance to moisture.
- 30 CFR 28.1 · Purpose.
- 30 CFR 28.2 · Approved fuses.
- 30 CFR 28.3 · Installation, use, and maintenance of approved fuses.
- 30 CFR 28.4 · Definitions.
- 30 CFR 28.10 · Application procedures.
- 30 CFR 28.20 · Certificates of approval; scope of approval.
- 30 CFR 28.21 · Certificates of approval; contents.
- 30 CFR 28.22 · Notice of disapproval.
- 30 CFR 28.23 · Approval labels or markings; approval of contents; use.
- 30 CFR 28.24 · Revocation of certificates of approval.
- 30 CFR 28.25 · Changes or modifications of approved fuses; issuance of modification of certificate of approval.
- 30 CFR 28.30 · Quality control plans; filing requirements.
- 30 CFR 28.31 · Quality control plans; contents.
- 30 CFR 28.32 · Proposed quality control plans; approval by MSHA.
- 30 CFR 28.33 · Quality control test methods, equipment, and records; review by MSHA; revocation of approval.
- 30 CFR 28.40 · Construction and performance requirements; general.
- 30 CFR 28.41 · Testing requirements; general.
- 30 CFR 33.1 · Purpose.
- 30 CFR 33.2 · Definitions.
- 30 CFR 33.3 · Consultation.
- 30 CFR 33.4 · Types of dust collectors for which certificates of approval may be granted.
- 30 CFR 33.5 · [Reserved]
- 30 CFR 33.6 · Application procedures and requirements.
- 30 CFR 33.7 · Date for conducting tests.
- 30 CFR 33.8 · Conduct of investigations, tests, and demonstrations.
- 30 CFR 33.9 · Certification of dust-collecting systems.
- 30 CFR 33.10 · Certificates of approval or performance.
- 30 CFR 33.11 · Approval plates.
- 30 CFR 33.12 · Changes after certification.
- 30 CFR 33.13 · Withdrawal of certification.
- 30 CFR 33.20 · Design and construction.
- 30 CFR 33.21 · Modification of test equipment.
- 30 CFR 33.22 · Mode of use.
- 30 CFR 33.23 · Mechanical positioning of parts.
- 30 CFR 33.30 · Test site.
- 30 CFR 33.31 · Test space.
- 30 CFR 33.32 · Determination of dust concentration.
- 30 CFR 33.33 · Allowable limits of dust concentration.
- 30 CFR 33.34 · Drilling test.
- 30 CFR 33.35 · Methods of drilling; dust-collector unit.
- 30 CFR 33.36 · Method of drilling; combination unit or dust-collecting system.
- 30 CFR 33.37 · Test procedure.
- 30 CFR 33.38 · Electrical parts.
- 30 CFR 35.1 · Purpose.
- 30 CFR 35.2 · Definitions.
- 30 CFR 35.3 · Consultation.
- 30 CFR 35.4 · Types of hydraulic fluid for which certificates of approval may be granted.
- 30 CFR 35.5 · [Reserved]
- 30 CFR 35.6 · Application procedures and requirements.
- 30 CFR 35.7 · Date for conducting tests.
- 30 CFR 35.8 · Conduct of investigations, tests, and demonstrations.
- 30 CFR 35.9 · Certificates of approval.
- 30 CFR 35.10 · Approval labels or markings.
- 30 CFR 35.11 · Material required for record.
- 30 CFR 35.12 · Changes after certification.
- 30 CFR 35.13 · Withdrawal of certification.
- 30 CFR 35.20 · Autogenous-ignition temperature test.
- 30 CFR 35.21 · Temperature-pressure spray-ignition tests.
- 30 CFR 35.22 · Test to determine effect of evaporation on flammability.