monument meeting slide presentation may 2016a (1)...current schedule • may‐june 2016: finalize...

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May 12, 2016 CEU Honolulu

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Page 1: Monument Meeting Slide Presentation May 2016a (1)...Current Schedule • May‐June 2016: Finalize Work Plan • May‐August 2016: Assemble Gear/Equipment • August 13 2016: Charter

May 12, 2016

CEU Honolulu

Page 2: Monument Meeting Slide Presentation May 2016a (1)...Current Schedule • May‐June 2016: Finalize Work Plan • May‐August 2016: Assemble Gear/Equipment • August 13 2016: Charter

Kure

Oahu

Kure Atoll Remediation Project Update

Page 3: Monument Meeting Slide Presentation May 2016a (1)...Current Schedule • May‐June 2016: Finalize Work Plan • May‐August 2016: Assemble Gear/Equipment • August 13 2016: Charter

Background

• 1991‐1992: USCG/USACE conducted sampling for PCBs

• 1993: Reburied 800 cubic yards of soils; 36 cyds removed off island

• 1993‐1994: Post remediation sampling/reporting

• 2008‐2012: SI/Alternative remediation testing

• 2012 – A Engineering Eval/Cost Analysis performed

• 2014 – Contract awarded for remediation.

• 2015 – Treatability study conducted.

• 2016 – Remedial Action 

Page 4: Monument Meeting Slide Presentation May 2016a (1)...Current Schedule • May‐June 2016: Finalize Work Plan • May‐August 2016: Assemble Gear/Equipment • August 13 2016: Charter

Project Plan

• Remediate through reburial upto 900 cuyds of PCB soils 

• Prepare the new burial site with AC and additives to enhance microbial breakdown

• Install piezometers /biota sampling

Page 5: Monument Meeting Slide Presentation May 2016a (1)...Current Schedule • May‐June 2016: Finalize Work Plan • May‐August 2016: Assemble Gear/Equipment • August 13 2016: Charter

Current Schedule

• May‐June 2016: Finalize Work Plan 

• May‐August 2016: Assemble Gear/Equipment 

• August 13 2016: Charter Vessel Kahana departs Honolulu for Midway Island

• August 17 2016: Kahana picks up field crew at Midway and proceeds to Kure Atoll 

• August 19‐20 2016: Begin Field Effort on Green Island 

• September 9 2016: End Field Effort‐crew returns to Midway