site assessment - moving to the future and getting better ......moderator: sabrina forrest us epa...
TRANSCRIPT
![Page 1: Site Assessment - Moving to the Future and Getting Better ......Moderator: SABRINA FORREST US EPA Region VIII Site Assessment & Brownfields Manager NSAS June 21, 2007 URS OPERATING](https://reader033.vdocuments.us/reader033/viewer/2022050223/5f6901022ea958601b3720f9/html5/thumbnails/1.jpg)
Site Assessment – Moving to the Future and Getting Better
The Triad Approach
Moderator: SABRINA FORREST US EPA Region VIII Site Assessment & Brownfields Manager
NSAS June 21, 2007
URSOPERATING SERVICES, INC.
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The Triad ApproachDEANA CRUMBLING – US EPA OSRTI Technology
Integration and Field Services Division
STEPHEN DYMENT - US EPA OSRTI Technology Integration and Field Services Division
BEV HALWA – UOS, START3 Region VIII Contractor
BRENDA COOK – US EPA Region VI NPL Coordinator
KRISTINE LLOYD – E&E, EPA Region VI Contractor
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Moving …and Getting Better
• Collecting data for multiple agencies or groups
• Site reassessment– Questions of data relevance and quality– Missing information– Few sample locations from which to make a
decision– Incomparable data for updated benchmarks
or action levels
URSOPERATING SERVICES, INC.
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The Triad Approach
You can SAFELY test the waters
URSOPERATING SERVICES, INC.
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Moving…and Getting Better
3 legs of Triad are a solid framework
Don’t need to cannonball in
URSOPERATING SERVICES, INC.
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www.triadcentral.org
Get
Mor
e In
fo!!
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TO THE EXTENT THETRIAD APPROACH
IS IMPLEMENTED AT A SITE,THE BENEFITS
WILL BE EXPERIENCED
URSOPERATING SERVICES, INC.
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Data Quality ObjectivesData Quality Objectives
1. State the Problem2. Identify the Decision3. Identify the Inputs to the Decision4. Define the Boundaries of the Study5. Develop a Decision Rule6. Specify Tolerable Limits on Decision Errors7. Optimize the Design for Obtaining Data
URSOPERATING SERVICES, INC.
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Implementing The Triad Implementing The Triad ApproachApproach
• Team development of the CSM and project strategy can be challenging but is integral to a Triad success.
URSOPERATING SERVICES, INC.
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Potential Team MembersEPA
Federal Agencies
State Agencies
County Agencies
City Agencies
Tribes
Property Owner
Consultants
Watershed Groups
Community Coalitions
Potential Team Members
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Potential Team MembersPotential Team Members• EPA Site Assessment Manager• Contractor Project Manager• QA/QA Officer• Chemist• Statistician• Risk Assessor• Data Management/GIS/GPS Specialist• Geologist• Hydrogeologist• Physicist• Engineer• Public Affairs Specialist• Lawyer URS
OPERATING SERVICES INC
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Martha Rose/Walsh Smelter Site
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Conceptual Site Model
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Implementing the Implementing the Triad ApproachTriad Approach
• Statistics aren’t always necessary to achieve site assessment goals.
URSOPERATING SERVICES, INC.
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• Terrible mine gravel piles here
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• Photo of dog kennels
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• Ross incinerator photo
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Implementing the Implementing the Triad ApproachTriad Approach
• The Data Quality Objective process can be used to achieve a desired confidence level without previous analytical data.
URSOPERATING SERVICES, INC.
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• Photo of Corky auguring
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Implementing the Implementing the Triad ApproachTriad Approach
• Dynamic work strategies to adapt work activities based on real-time data can reduce the project budget.
URSOPERATING SERVICES, INC.
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CHERRY CREEK
CO
LOR
ADO
BLV
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UTH
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PKW
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JEWELL AVE
E FLORIDA AVE
MISSISSIPPI AVE
LOUISIANA
CDOTPLUME
CDOTMTL SITE
REDFIELDPLUME
CHERRY CREEKPLUME
STUDY AREA
REDFILEDSITE
0 0.5 Miles
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CO
LOR
ADO
BLV
D
SO
UTH
HO
LLY
ST
MO
NA
CO
PKW
Y
JEWELL AVE
E FLORIDA AVE
MISSISSIPPI AVE
LOUISIANA
CHERRY CREEK
CDOTMTL SITE
CDOTPLUME
REDFIELDSITE
REDFIELDPLUME
STUDY AREA
0 0.5 Miles
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Implementing the Implementing the Triad ApproachTriad Approach
• The Triad includes unique QA/QC components.
URSOPERATING SERVICES, INC.
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QC Performed
QC Criteria
Met
Quality Decision Quality or
Screening Quality
Yes Yes Known Decision Quality Data
Yes No Known Depends on Site DQOs
No N/A Unknown Screening Quality Data
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TO THE EXTENT THETRIAD APPROACH
IS IMPLEMENTED AT A SITE,THE BENEFITS
WILL BE EXPERIENED
URSOPERATING SERVICES, INC.