# 30 CFR § 18.9: Conduct of investigations and tests

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-30-18.9

## Section

- **Citation:** 30 CFR § 18.9
- **Heading:** Conduct of investigations and tests
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 30—Mineral Resources > CHAPTER I—MINE SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR > SUBCHAPTER B—TESTING, EVALUATION, AND APPROVAL OF MINING PRODUCTS > PART 18—ELECTRIC MOTOR-DRIVEN MINE EQUIPMENT AND ACCESSORIES > Subpart A—General Provisions

## Text

(a) Prior to the issuance of an approval, certification, or acceptance of a hose, only MSHA personnel, representative(s) of the applicant, and such other person(s) as may be mutually agreed upon may observe any part of the investigation or tests. The MSHA will hold as confidential and will not disclose principles or patentable features; nor will it disclose to persons other than the applicant the results of tests, chemical analysis of materials or any details of the applicant's drawings, specifications, instructions, and related material.
(b) Unless notified to the contrary by MSHA, the applicant shall provide assistance in disassembling parts for inspection, preparing parts for testing, and preparing equipment for return shipment. Explosion-proof enclosures shall be drilled and tapped for pipe connections in accordance with instructions supplied by MSHA.
(c) MSHA reserves the right to inspect a complete machine, component part, or accessory at a place other than the Bureau's premises, such as the assembly plant or other location acceptable to MSHA, at the applicant's expense.
(d) Applicants shall be responsible for their representatives present during tests and for observers admitted at their request and shall save the Government harmless in the event of damage to applicant's property or injury to applicant's representatives or to observers admitted at their request.
[33 FR 4660, Mar. 19, 1968; 33 FR 6345, Apr. 26, 1968, as amended at 57 FR 61223, Dec. 23, 1992; 73 FR 80612, Dec. 31, 2008]

## Nearby sections

- [30 CFR § 18.1 § 18.1 Purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.1.md)
- [30 CFR § 18.2 § 18.2 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.2.md)
- [30 CFR § 18.3 § 18.3 Consultation.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.3.md)
- [30 CFR § 18.4 § 18.4 Electrical equipment for which approval is issued.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.4.md)
- [30 CFR § 18.5 § 18.5 Equipment for which certification will be issued.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.5.md)
- [30 CFR § 18.6 § 18.6 Applications.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.6.md)
- [30 CFR § 18.8 § 18.8 Date for conducting investigation and tests.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.8.md)
- [30 CFR § 18.9 § 18.9 Conduct of investigations and tests.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.9.md)
- [30 CFR § 18.10 § 18.10 Notice of approval or disapproval.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.10.md)
- [30 CFR § 18.11 § 18.11 Approval plate.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.11.md)
- [30 CFR § 18.12 § 18.12 Letter of certification.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.12.md)
- [30 CFR § 18.13 § 18.13 Certification plate.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.13.md)
- [30 CFR § 18.14 § 18.14 Identification of tested noncertified explosion-proof enclosures.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.14.md)
- [30 CFR § 18.15 § 18.15 Changes after approval or certification.](https://www.frixlaw.com/law-library/statutes/ecfr-30-18.15.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-30-18.9. Check the current official text before relying on it. Not legal advice.