| On 1/10/20245, Bernhardt J31-20D flowline decommissioning activity was 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 3/12/2025, indicate the soil sample, FL01R-W, discovered at the flowline wellhead riser exceeded ECMC Table 915 standards for naphthalene at 0.052 mg/kg, acenaphthene at 0.857 mg/kg, benzo(a)anthracene at 1.52 mg/kg, benzo(a)pyrene at 0.884 mg/kg, benzo(b)fluoranthene at 1.62 mg/kg, dibenzo(a,h)anthracene at 0.153 mg/kg, fluorene at 1.12 mg/kg, pyrene at 2.11 mg/kg, 1-methylnaphthalene at 0.104 mg/kg, and 2- methylnaphthalene at 0.199 mg/kg . Groundwater was not encountered during flowline decommissioning activities. |