30 CFR § 18.9 Conduct of investigations and tests.
(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
(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.
U.S. Department of Labor | Mine Safety and Health Administration (MSHA) | 1100 Wilson Boulevard, 21st Floor | Arlington, VA 22209-3939 www.msha.gov | Telephone: (202) 693-9400 | Fax-on-demand: (202) 693-9401