In determining background concentrations, cleanup standards, and significance levels, levels of contamination in groundwater, surface water, soils or air will not be allowed to degrade beyond the existing contamination levels determined through appropriate monitoring or the use of other data accepted by the board or the director as representative.

KEY: petroleum, underground storage tanks

Date of Last Change: July 15, 2022

Notice of Continuation: March 8, 2022

Authorizing, and Implemented or Interpreted Law: 19-6-105; 19-6-106; 19-6-403