Download - HTAC 12 01-10 SLRIDT Update
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SLRIDTSLRIDT(St. Louis River/Interlake/Duluth (St. Louis River/Interlake/Duluth
Tar)Tar) Superfund Site Superfund SiteUpdateUpdate
December 1, 2010December 1, 2010
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
• SLRIDT Site Remediation SLRIDT Site Remediation Activities (2006-2009)Activities (2006-2009)
• 2010 Tallas Island Winter 2010 Tallas Island Winter DredgingDredging
• 2010 Construction Activities 2010 Construction Activities • 2011 Construction Activities2011 Construction Activities
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SLRIDTSLRIDTSite Remediation 2006Site Remediation 2006
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SLRIDTSLRIDTSite Remediation 2007Site Remediation 2007
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SLRIDTSLRIDTSite Remediation 2008Site Remediation 2008
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SLRIDTSLRIDTSite Remediation 2009Site Remediation 2009
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SLRIDTSLRIDT2010 Tallas Island Mitigation – Winter 2010 Tallas Island Mitigation – Winter
WorkWork
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SLRIDTSLRIDT2010 Tallas Island Mitigation – Winter 2010 Tallas Island Mitigation – Winter
WorkWork
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Tallas Island Winter DredgingTallas Island Winter Dredging
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Tallas Island Winter DredgingTallas Island Winter Dredging
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Tallas Island Winter DredgingTallas Island Winter Dredging
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Segregation of Vegetative Root Mass from Ice
Tallas Island Winter DredgingTallas Island Winter Dredging
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Tallas Island Winter DredgingTallas Island Winter Dredging
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Tallas Island Winter DredgingTallas Island Winter Dredging
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Tallas Island Winter Work
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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SLRIDTSLRIDTSite Remediation 2010Site Remediation 2010
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
2010 Completed Construction Activities
• Installation of Residential Docks in Stryker Bay
• Installation of Reactive Carbon Mat in CAD
• Environmental Media Placement-Above Water
• CAD Cap Sand Delivery from Local Borrow Source
• CAD Capping with Sand Removed From Stryker
Bay Surcharge and Local Borrow Sources
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
2010 Completed Construction Activities • Tallas Island Compensatory Mitigation Project-Environmental
Media Dredging
• Environmental Media Placement-Below WaterStryker Bay
Slip 7Slip 6/CAD
• CAD End Dike Modifications
• Shoreline Buffer Zone and Habitat Restoration (MN Portion Only)
• Conduct Environmental Monitoring
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Residential Docks Installed in Stryker Bay
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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ACM Installation in the CAD
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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ACM Installation in the CAD
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
ACM Installation in the CAD
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
ACM Installation in the CAD
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
EM Placement on Slip 7 Mud Flats Sand Cap
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Vegetative Growth from EM Placement onSlip 7 Mud Flats Sand Cap
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CAD Capping Sand Staged on Hallett Dock 6
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Staged on Hallett Dock 6
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Conveyor System
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Conveyor System
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Spreader Barge
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Spreader Barge
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
CAD Capping Sand Survey Operations
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Daily Report for CAD capping sand placement
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Tallas Island Dredging Equipment
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Booster Pump For Transporting EM to SLRIDT Site
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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Spreader Barge Placing EM
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Tallas Island Completed Dredge Area-Knowlton Creek
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Shoreline Buffer Zone and Habitat Restoration Plan
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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EM Top Soil Stockpiling
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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SLRIDT SLRIDT Superfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone Before Restoration
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SLRIDT SLRIDT Superfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone During Restoration
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone Before Restoration
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone After Restoration
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
Stryker Bay Buffer Zone After Restoration
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59th Avenue Shoreline BufferZone Before Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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59th Avenue Shoreline Buffer Zone After Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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59th Avenue Shoreline Buffer Zone
(MN Portion Complete)
WIMN
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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Arrowhead Point Buffer Zone Before Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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Arrowhead Point Buffer Zone After Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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54th Avenue Peninsula EM Placement
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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54th Avenue Peninsula Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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54th Avenue Peninsula Buffer ZoneBefore Restoration - (East Side of CAD)
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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54th Avenue Peninsula Buffer Zone After Restoration - (East Side of CAD)
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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54th Avenue Peninsula Buffer ZoneBefore Restoration - (East Side of CAD)
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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54th Avenue Peninsula Buffer ZoneAfter Restoration - (East Side of CAD)
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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54th Avenue Peninsula Buffer Zone During Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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54th Avenue Peninsula Buffer Zone After Restoration
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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CAD End Dike Prior to Removal
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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CAD End Dike Removal
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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CAD End Dike Removal
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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CAD End Dike Removal After Completion
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer Zone Before Restoration
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
54th Avenue Peninsula Buffer Zone After Restoration
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SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update
2011 Construction Activities
• Shoreline Buffer Zone and Habitat Restoration-Wisconsin Portion
• Long-Term Monitoring Activities
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SLRIDTSLRIDT Superfund Site Update - Next Steps Superfund Site Update - Next Steps
Long Term Monitoring Plan:
1. Cap Effectiveness
2. Cap Stability
3. Vegetation Establishment
4. Benthic Establishment
Next Five Year Review for entire site• Start in 2012 and end in 2013
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SLRIDTSLRIDT Superfund Site Update - Next Steps Superfund Site Update - Next Steps
Reports:1. Construction Completion Report March
2011• Summary of activities• As-built plans• Data
2. Annual Monitoring Report• Site Activity Summary• Monitoring Data
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Want More Information?Visit www.slridt.com or contact
Lisa Neitzel at [email protected]
Thank you!
SLRIDTSLRIDTSuperfund Site UpdateSuperfund Site Update