---
kind: "unit"
title: "30"
title_heading: "Mineral Resources"
key: "chI/subchB/part7/subpartC"
level: "subpart"
label: "Subpart C"
heading: "Battery Assemblies"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/30/chI-subchB-part7-subpartC"
sections_count: 12
---

# Subpart C — Battery Assemblies

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

- [§7.41. Purpose and effective date.](/cfr/30/7.41.md)
- [§7.42. Definitions.](/cfr/30/7.42.md)
- [§7.43. Application requirements.](/cfr/30/7.43.md)
- [§7.44. Technical requirements.](/cfr/30/7.44.md)
- [§7.45. Critical characteristics](/cfr/30/7.45.md)
- [§7.46. Impact test.](/cfr/30/7.46.md)
- [§7.47. Deflection temperature test.](/cfr/30/7.47.md)
- [§7.48. Acid resistance test.](/cfr/30/7.48.md)
- [§7.49. Approval marking.](/cfr/30/7.49.md)
- [§7.50. Post-approval product audit.](/cfr/30/7.50.md)
- [§7.51. Approval checklist.](/cfr/30/7.51.md)
- [§7.52. New technology.](/cfr/30/7.52.md)