1. (a) Rule R315-319 establishes criteria for purposes of managing CCR in Utah.
2. (b) Rule R315-319 applies, except as provided in Subsection R315-319-50(i), to owners and operators of new and existing CCR units as defined in Subsection R315-319-53(a)(15). Rule R315-319 applies to any practice that does not meet the definition of a beneficial use of CCR.
3. (c) Rule R315-319 applies to inactive CCR surface impoundments at active electric utilities or independent power producers, regardless of the fuel currently used to produce electricity.
4. (d) Rule R315-319 does not apply to coal combustion residual landfills that have ceased receiving CCR before October 19, 2015.
5. (e) Reserved.
6. (f) Rule R315-319 does not apply to:
7. (1) fly ash, bottom ash, boiler slag, and flue gas desulfurization materials, generated from burning exclusively coal to generate electricity at facilities that are not part of an electric utility or independent power producer;

8. (2) fly ash, bottom ash, boiler slag, and flue gas desulfurization materials generated primarily from the combustion of fossil fuels other than coal, for generating electricity, unless the fuel burned consists of more than 50% coal on a total heat input or mass input basis, whichever results in the greater mass feed rate of coal.

   1. (g) Rule R315-319 does not apply to practices that meet the definition of a beneficial use of CCR.

   2. (h) Rule R315-319 does not apply to coal combustion residual placement at active or abandoned underground or surface coal mines.

      1. (i) Rule R315-319 does not apply to Class I or V solid waste landfills that receive CCR.

KEY: permit, solid waste, coal ash

Date of Last Change: September 15, 2025

Notice of Continuation: June 16, 2026

Authorizing, and Implemented or Interpreted Law: 19-6-108