Technical and Legal Documents: North Shore Gas (NSG) South Plant Former MGP

Documents related to the North Shore Gas (NSG) South Plant Former MGP sites.

• Records of Decisions for Interim Action
• Focus Feasibility Study Report
• Remedial Investigations Findings Presentation
• Proposed Plan
• Administrative Settlement Agreement and Order on Consent for Remedial Investigations and Feasibility Studies

• Record of Decision For Interim Action for North Shore Gas (NSG) South Plant Former MGP (pdf) (5.13 MB, July 2015)
  This Record of Decision (ROD) presents the interim remedial action (the "selected remedy") that the EPA chose to address the pool of undissolved tarlike material, which is classified as a dense, nonaqueous phase liquid (DNAPL), that is beneath the North Shore Gas (NSG) Former South Plant Manufactured Gas Plant (MGP) Superfund Alternative site in Waukegan, Illinois.
• Response to USEPA Comments on Focused Feasibility Study Report, North Shore Gas (NSG) South Plant Former MGP (pdf) (11.9 MB, March 30, 2015)
  This letter provides responses to United States Environmental Protection Agency (USEPA) and Illinois Environmental Protection Agency (IEPA) comments issued February 26, 2015 on the Focused Feasibility Study (FS) Report– Revision 1 for the North Shore Gas Former Waukegan South Plant MGP Site.
• RI Findings presentation: North Shore Gas (NSG) South Plant Former MGP (pdf) (5.05 MB, January 2014)
  Presentation of RI findings for the North Shore Gas (NSG) South Plant Former MGP site. Presentation includes pictures and maps.
• Proposed Plan for DNAPL Cleanup NSG Former South Plant MGP Superfund Site (pdf) (847.86 KB, May 2015)
  EPA in consultation with the Illinois Environmental Protection Agency (Illinois EPA), is issuing this Proposed Plan to present its preferred cleanup alternative for addressing the pool of undissolved tar-like material, called “dense, nonaqueous phase liquid (DNAPL),” that is found beneath the North Shore Gas (NSG) Company Former South Plant Manufactured Gas Plant (MGP) Superfund site in Waukegan, Illinois.
• Administrative Settlement Agreement and Order on Consent for Remedial Investigations and Feasibility Studies for North Shore Gas (NSG) South Plant Former MGP (pdf) (7.11 MB, July 2007)
  The Settlement Agreement concerns the preparation and performance of a remedial investigation and feasibility study ("RI/FS") at two properties located in Lake County, Waukegan, Illinois known as the North Plant Site located at 849 Pershing Road, Waukegan, Illinois and the South Plant Site located at 2 North Pershing Road and 1 South Pershing Road, respectively ("Sites"), and the reimbursement for interim and future response costs incurred by U.S. EPA in connection with the RIIFS studies.