A Cook County judge has ordered an investigation into the .
The injunction was handed down last week requires West Shore Pipe Line and Buckeye Pipe Line Co. to provide a plan for cleaning up the spill and submit records for the pipeline's maintenance history, Sun-Times Media reports.
Pressure testing of the pipeline was scheduled to begin late Friday night, according to a letter from West Line. The test involves filling the pipeline with water elevating the pressure in the pipe for eight to ten hours. The strength test and procedures are regulated by the U.S. Department of Transportation/Pipeline and Hazardous Material Safety Administration.
The cleanup effort is still underway after the Aug. 27 spill along Cal Sag Road. , with a portion reaching the Calumet Sag Channel. Traffic through the area was shut down for five days.
This is the second pipeline failure in less than two years for the two companies, according to Sun-Times Media. Illinois' attorney general’s office and the Will County state’s attorney settled a complaint from 2010 stemming from a 21,000-gallon spill of crude oil in Lockport.