U.S. Code of Federal Regulations

Regulations most recently checked for updates: Mar 31, 2023

§ 436.40 - Applicability; description of the industrial sand subcategory.

The provisions of this subpart are applicable to the mining and the processing of sand and gravel for uses other than construction and fill. These uses include, but are not limited to glassmaking, molding, abrasives, filtration, refractories, and refractory bonding.