| On 11/6/2025, PHILLIPS 23-1-21 wellhead decommissioning activities were completed. During the completion of the activities, no potential presence of impacted material(s) was observed/smelled. Consistent with Rule 912, samples were collected and analyzed to determine whether any constituents are present at levels in excess of Table 915-1 standards. Final laboratory analytical results received on 12/18/2025 indicate that soil sample, WH01, discovered at the wellhead, exceeded ECMC Table 915 standards for TPH at 979 mg/kg and 1-methylnaphthalene at 0.0099 mg/kg. Groundwater was not encountered during decommissioning activities. This location is within the Municipality of Greeley. |