---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chI/subchB/part7/subpartB"
level: "subpart"
label: "Subpart B"
heading: "Brattice Cloth and Ventilation Tubing"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chI-subchB-part7-subpartB"
sections_count: 11
---

# Subpart B — Brattice Cloth and Ventilation Tubing

Title 30 C.F.R. — Mineral Resources › Chapter I — Mine Safety and Health Administration, Department of Labor › Subchapter B — Testing, Evaluation, and Approval of Mining Products › Part 7 — Testing by Applicant or Third Party

## Sections

- [§7.21. Purpose and effective date.](/cfr/30/7.21.md)
- [§7.22. Definitions.](/cfr/30/7.22.md)
- [§7.23. Application requirements.](/cfr/30/7.23.md)
- [§7.24. Technical requirements.](/cfr/30/7.24.md)
- [§7.25. Critical characteristics.](/cfr/30/7.25.md)
- [§7.26. Flame test apparatus.](/cfr/30/7.26.md)
- [§7.27. Test for flame resistance of brattice cloth.](/cfr/30/7.27.md)
- [§7.28. Test for flame resistance of rigid ventilation tubing.](/cfr/30/7.28.md)
- [§7.29. Approval marking.](/cfr/30/7.29.md)
- [§7.30. Post-approval product audit.](/cfr/30/7.30.md)
- [§7.31. New technology.](/cfr/30/7.31.md)