30 C.F.R. § 47.55 Retaining an MSDS.
Title 30 - Mineral Resources
The operator must— (a) Retain its MSDS for as long as the hazardous chemical is known to be at the mine, and (b) Notify miners at least 3 months before disposing of the MSDS.
Title 30: Mineral Resources
PART 47—HAZARD COMMUNICATION (HazCom)
Subpart F—Material Safety Data Sheets (MSDS)
§ 47.55 Retaining an MSDS.
