St. Louis River-U.S. Steel Superfund Site: Major Chronological and Future Events
| Action/Report | Date | PCA Acceptance |
|---|---|---|
| Proposed Plan-Sediments* | Spring 2009 | |
| Focused Feasibility Study-Sediments* | Fall 2008 | |
|
Five-Year Review* |
April-September 2008 |
|
|
Sediment Investigation Remedial Investigation Report |
February 2008 |
|
| AMR 2006 | February 2007 | Pending |
|
AMR 2005 |
February 27, 2006 |
Pending |
|
Operable Unit Boundary Maps |
Dece,ber 7, 2005 |
Pending |
|
Chemicals of Interest in Sediments and Surface Water Report |
August 31, 2005 |
November 13, 2007 |
|
MN Power installation of seven power line towers on site |
July 11, 2005 |
Approved |
|
Five-Year Review Recommendation Implementation Report |
July 1, 2005 |
Pending |
|
AMR 2004 |
February 10, 2005 |
|
|
Ecological Design Goals for (Sediment) Remedy (DNR) |
January 10, 2005 |
|
|
Review of Sediment Data: Correlation between total PAH lab data and LIF data |
November 3, 2004 |
Pending |
|
Five-Year Review Sampling Event |
November 2004 |
|
| Data Audit and Review | June 2004-October 2005 | |
|
Sediment Characterization and Tier 1 Risk Assessment Report |
April 13, 2004 |
November 13, 2007 |
|
AMR 2003 |
January 28, 2004 |
|
|
EPA Reuse Plan Session Meeting |
December 15, 2003 |
|
|
Public Meeting- End of Five-Year Review |
November 2003 |
|
|
First Five-Year review completion |
September 23, 2003 |
|
|
Public Meeting |
August 20, 2003 |
|
|
Sediment Characterization and Tier 1 Risk Assessment Work Plan, (subsequently QAPP, HSP) |
May 22, 2003 |
Approved |
|
Public Meeting for Start of Five-Year Review |
May 15, 2003 |
|
|
AMR 2002 |
February 2003 |
|
|
LIF Investigation Report |
July 24, 2002 |
Approved |
|
Hydrogeologic Investigation Report |
June 7, 2002 |
Rejected 12/17/2003 |
|
U.S. Steel Laser Induced Fluorescence supplement to the Sed. Characterization and Risk Assessment work plan |
March 8, 2002 |
Approved 3/8/2002 |
|
LIF survey of river sediments |
March 2002 |
|
|
AMR 2001 |
February 7, 2002 |
|
|
Public Meeting |
February 7, 2002 |
|
|
Repair of OUJ Berm |
August 2001 |
|
|
AMR 2000 |
June 20, 2001 |
|
|
Installation of piezometers near river |
January 2001 |
|
|
U.S. Steel Hydrogeologic Investigation supplement to the Sed. Characterization and Risk Assessment work plan; Revision 2 |
November 30, 2000 |
Revised |
|
Sediment Characterization and Risk Assessment work plan |
September 29, 2000 |
Revised |
|
U.S. Steel Focused Feasibility Study-sediments |
June 1998 |
Rejected |
|
Removed underground coke oven pipe lines |
1999 |
|
|
OUJ and OUP remedy construction |
1996-1997 |
|
Updated annually. Last Revised: February 2008
* = future actions
