30 C.F.R. § 7.105 Approval marking.
Title 30 - Mineral Resources
Each approved diesel power package shall be identified by a legible and permanent approval plate inscribed with the assigned MSHA approval number and securely attached to the diesel power package in a manner that does not impair any explosion-proof characteristics. The grade limitation of a wet exhaust conditioner used as an exhaust flame arrester shall be included on the approval marking.
Title 30: Mineral Resources
PART 7—TESTING BY APPLICANT OR THIRD PARTY
Subpart F—Diesel Power Packages Intended for Use in Areas of Underground Coal Mines Where Permissible Electric Equipment is Required
§ 7.105 Approval marking.
