1. (a) Incompatible wastes, or incompatible wastes and materials, see 40 CFR 265 appendix V which is adopted and incorporated by reference for examples, shall not be placed in the same container, unless Subsection R315-265-17(b) is complied with.
2. (b) Hazardous waste shall not be placed in an unwashed container that previously held an incompatible waste or material, see 40 CFR 265 appendix V which is adopted and incorporated by reference for examples, unless Subsection R315-265-17(b) is complied with.

3. (c) A storage container holding a hazardous waste that is incompatible with any waste or other materials stored nearby in other containers, piles, open tanks, or surface impoundments shall be separated from the other materials or protected from them by means of a dike, berm, wall, or other device.

   Comment: The purpose of this is to prevent fires, explosions, gaseous emissions, leaching, or other discharge of hazardous waste or hazardous waste constituents which could result from the mixing of incompatible wastes or materials if containers break or leak.

KEY: hazardous waste, TSD facilities, interim status

Date of Last Change: November 17, 2025

Notice of Continuation: December 11, 2025

Authorizing, and Implemented or Interpreted Law: 19-6-105; 19-6-106