| Laboratory analytical indicated a historical release occurred at the Wiedeman 29-5 decommissioned wellhead. Two soil samples exceeded COGCC standards for TPH at 2,487 mg/kg, 1,2,4-trimethylbenzene at 0.367 mg/kg, 1,3,5-trimethylbenzene at 2.78 mg/kg, 1-methylnaphthalene at 0.608 mg/kg, 2-methylnaphthalene at 1.41 mg/kg, and naphthalene at 0.222 mg/kg. |