U.S. Code of Federal Regulations

Regulations most recently checked for updates: Mar 29, 2023

§ 436.190 - Applicability; description of the Frasch sulfur subcategory.

The provisions of this subpart are applicable to the processing of sulfur on shore and in marshes and estuaries by the Frasch process. Not covered are sulfur refining operations that are not performed at the mining and collection site.