| Laboratory analytical indicated a historical release occurred at the Guttersen State DD17-79-1HN decommissioned tank battery. Two soil samples exceeded ECMC standards for benzene at 0.0049 mg/kg, 1,2,4-trimethylbenzne at 0.017 mg/kg, 1,3,5-trimethylbenzene at 0.015 mg/kg, naphthalene at 0.0057 mg/kg, 1-methlynaphthelene at 0.00946 mg/kg, 0.0242 mg/kg, and 2-methlynaphthalene at 0.0339 mg/kg. This location lies within Pronghorn Winter Concentration Area high priority habitat. A supplemental form 27 has been submitted to REM 31568 detailing the remedial site plan, document number: 403713484. |