30 C.F.R. § 15.3 Observers at tests and evaluation.
Title 30 - Mineral Resources
Only personnel of MSHA, designees of MSHA, representatives of the applicant, and such other persons as agreed upon by MSHA and the applicant shall be present during tests and evaluations conducted under this part. [70 FR 46342, Aug. 9, 2005]
Title 30: Mineral Resources
PART 15—REQUIREMENTS FOR APPROVAL OF EXPLOSIVES AND SHEATHED EXPLOSIVE UNITS
Subpart A—General Provisions
§ 15.3 Observers at tests and evaluation.

