working with epa cooperative...
TRANSCRIPT
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WORKING WITH EPA COOPERATIVE
AGREEMENTS: A TRIBAL PERSPECTIVEQUAPAW TRIBE ENVIRONMENTAL OFFICE
February 8, 2017
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Tar Creek Superfund Site
Quapaw Tribe Involvement at Tar Creek
Tribal-Led Remedial Action
Soil Amendments and Technical Performance
Measures
Questions?
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TAR CREEK SUPERFUND SITE
Tri-State Mining District
Began mining the area during the late 1800’s, lasted until approximately 1970
Mining and milling of ore (primarily lead and zinc) produced more than 500 million tons of waste in area
Two primary types of wastes from mining processes: chat and fine tailings
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TAR CREEK SUPERFUND SITE
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TAR CREEK SUPERFUND SITE
FOR EVERY 1 TON OF ORE
EXTRACTED, APPROXIMATELY 16
TONS OF CHAT AND TAILINGS WAS
LEFT BEHIND
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TAR CREEK SUPERFUND SITE
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TAR CREEK SUPERFUND SITE
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QUAPAW TRIBE INVOLVEMENT AT TAR
CREEK
Through the EPA Region 6 General Assistance Program (GAP), the Quapaw Tribe Environmental Office was established on October 1, 1997.
In June of 1998, the Quapaw Tribe Chairman and the EPA Region 6 Administrator signed a Tribal Environmental Agreement, which established a formal agreement between the Tribe and EPA to address the issues raised regarding the environmental protection of lands within the Quapaw Tribe’s jurisdictional lands.
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QUAPAW TRIBE INVOLVEMENT AT TAR
CREEK
The Quapaw Tribe is administering an EPA Superfund
Management Assistance grant under an existing Superfund
support agency cooperative agreement.
The tribe entered into this support agency cooperative
agreement with EPA in 2001.
This management assistance grant has enabled the tribe to
have “meaningful and substantial involvement” in the
decisions related to the development and implementation
of remedial activities.
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QUAPAW TRIBE INVOLVEMENT AT TAR
CREEK
Working together with EPA and other stakeholders on Tar
Creek issues over the past 16 years has enabled the
Quapaw Tribe Environmental Office to develop the technical
capacity required to administer a remedial response
cooperative agreement.
Cooperative Agreement for Remedial Action signed
between EPA and the Quapaw Tribe of Oklahoma was the
first-ever Remedial Action in the nation conducted by a
tribe on property that they own.
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESCATHOLIC 40
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The Quapaw Tribe
Environmental Office, retained
the services of a consulting
engineering firm to assist in
generating plans and
specifications, and other pre-
construction documents.
Remedial Action began in
December 2013 and involved:
excavation, hauling, and disposal
of approximately 107,000 tons
of source material (chat).
TRIBAL-LED REMEDIAL ACTION ACTIVITIESCATHOLIC 40
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESCATHOLIC 40
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESCATHOLIC 40
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Transition Zone (TZ) Sampling
and Analysis
5 aliquots from each grid
homogenized into one sample
sent to lab for analyses (0-6 and
6-12 inch sample depths)
Analyses included Tar Creek
Contaminants of Concern:
Cadmium, Lead, and Zinc
TRIBAL-LED REMEDIAL ACTION ACTIVITIESCATHOLIC 40
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Soil Amendments to TZ soils to potentially reduce Bioavailability of
Metals
Agricultural Lime
Chicken Litter, and
Mushroom Compost
Native Grass Seeding
Fescue
Rye
Bermuda
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESCATHOLIC 40
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SE Distal Zone, Distal 6a
Unrestricted Property
State-led project, with the
request that the Tribe do the
remediation work as the
“contractor” through an intra-
agency agreement.
Adjacent to “Catholic 40”
property
TRIBAL-LED REMEDIAL ACTION ACTIVITIESDISTAL 6A
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESDISTAL 6A
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESDISTAL 6A
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESDISTAL 6A
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Remedial Action began in June
2014 and involved: excavation,
hauling, and disposal of
approximately 82,000 tons of
source material (chat).
The source material was
disposed of in a large collapsed
feature on the north end of the
Tar Creek Site.
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESDISTAL 6A
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Same soil amendment activities as conducted at “Catholic 40”
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESBEFORE AND AFTER
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Courtesy of Google Earth – dated 04/23/2013
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESBEFORE AND AFTER
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Courtesy of Google Earth – dated 03/29/2015
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESBEAVER CREEK NORTH
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SE Distal Zone, Beaver Creek
North
Mixed-Ownership Property
(Restricted and Unrestricted
Interest)
Cooperative agreement with
EPA to conduct remedial action
activities
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESBEAVER CREEK NORTH
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Remedial Action began in June
2015 and involved: excavation,
hauling, and disposal of
approximately 47,000 tons of
source material (chat).
Marketable and Unmarketable
chat present
The source material was
disposed of in a large collapsed
feature on the north end of the
Tar Creek Site.
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESBEAVER CREEK NORTH
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TRIBAL-LED REMEDIAL ACTION ACTIVITIESDISTAL 13
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Remedial Action began in
October 2015 and involves:
excavation, hauling, and disposal
of approximately 720,000 tons
of source material (chat).
Marketable and Unmarketable
chat present
The source material is being
disposed of at the Central Mill
Tailings Repository.
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ADDITIONAL AND FUTURE WORK
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Elm Creek Distal Zone
Distal 10 and 12
State of Oklahoma Inter-Agency
Agreement Work
Operable Unit 5 Remedial
Investigation/Feasibility Study
and Data Gap Analysis
Technical Performance
Measures Evaluations
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THANK YOU AND QUESTIONS???
Contact Information334 Main Street
PO Box 765
Quapaw, OK 74363
Office: (918) 238-3097
Email: [email protected]