APR Waste Rock
Copperhill Industries, LLC received permit coverage from TDEC for a TMSP (Tennessee Multi-sector Stormwater Permit). This permit is for the placement of Acid Producing Rock (APR) in an engineered fill that excludes water infiltration from contacting the APR. This natural material is encountered during highway construction projects. Copperhill Industries has three permitted areas for this activity. One fill area has been capped and vegetated. Copperhill Industries is committed to compliance permit standards and environmental stewardship.