1. "Asphalt Plant" means any equipment used to produce, process, or store hot-mix, warm-mix, or cold-mix asphalt and its ingredients. Equipment in this definition includes dryers, mixers, screens, conveyors, storage bins or silos, storage tanks, and loading stations.
2. "Concrete Batch Plant" means any equipment used to produce, process, or store concrete and its ingredients. Equipment in this definition includes mixers, screens, conveyors, storage bins or silos, and loading stations.
3. "Nonmetallic Mineral Processing Plant" means any equipment used to produce, process, or store nonmetallic minerals. Equipment in this definition includes crushers, grinding mills, screens, conveyors, storage bins or silos, and loading stations.
4. "Portable Aggregate Processing Plant" means any nonmetallic mineral processing plant, asphalt plant, or concrete batch plant that temporarily operates for a period of not more than 180 working days or 365 consecutive calendar days at a single source. Engines, boilers, and storage tanks used to support concrete batch plants, asphalt plants, or nonmetallic mineral processing plants are included in this definition.

KEY: air pollution, permits, approval orders, greenhouse gases

Date of Last Change: March 31, 2025

Authorizing, and Implemented or Interpreted Law: 19-2-104(3)(b)(iii); 19-2-108