| Laboratory analytical data indicated a historical release was discovered at the separator dumpline during the Wiedeman 25-5 tank battery decommissioning. One soil sample, SEP01-DL, exceeded ECMC standards for benzene at 0.0084, 1,2,4-trimethylbenzene at 0.012 mg/kg, and 1,3,5-trimethylbenzene at 0.013 mg/kg. The supplemental Form 27 will be submitted for remediation project number 34243 detailing the remedial site plan, document number: 403827428. |