Coal Combustion Residual (CCR) : PacifiCorp

Dave Johnston Plant

Dave Johnston Expansion Landfill
- Location restrictions
  - Unstable areas
- Operating criteria
  - CCR fugitive dust control plan
  - Run-on and run-off control plan
  - Annual engineering inspection reports
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of return to detection monitoring program
  - Notification of Appendix IV exceedances
  - Notification of corrective measures assessment
  - Corrective measures assessment
  - Semi-annual corrective action report
  - Notification of completion of corrective action
- Closure and post-closure care
  - Closure plan
  - Time extensions for initiating closure
  - Time extensions for completing closure
  - Notification of intent to close
  - Notification of completion of closure
  - Notification of intent to comply with alternative closure requirements
  - Annual progress reports for alternative closure
  - Notification recording a notation on property deed
  - Post-closure care plan
  - Notification of completion of post-closure care
Dave Johnston Ash Pond
- Location restrictions
- Design criteria
- Operating criteria
  - CCR Fugitive Dust Control Plan
  - Annual Fugitive Dust Control Report
  - Inflow design flood control system plan
  - Annual engineering inspection reports
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Corrective measures assessment
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of corrective measures assessment
  - Notification of Appendix IV exceedances
    - Initial Notification of Appendix IV Exceedance
    - 1st Half 2019 Notification of Appendix IV Exceedance
  - Semi-annual corrective action report
- Closure and post-closure care
  - Closure plan
Dave Johnston Unit 0 Pond
- Design Criteria
  - Pre-Construction Liner Certification
  - AsBuilt Liner Certification

Hunter Plant

Hunter CCR Landfill
- Location restrictions
  - Unstable areas
- Operating criteria
  - CCR fugitive dust control plan
  - 2016 Annual fugitive dust control report
  - 2017 Annual fugitive dust control report
  - 2018 Annual fugitive dust control report
  - 2019 Annual fugitive dust control report
  - Run-on and run-off control plan
  - Annual engineering inspection reports
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Corrective measures assessment
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of return to detection monitoring program
  - Notification of Appendix IV exceedances
    - Initial Notification of Appendix IV Exceedance
    - 1st Half 2019 Notification of Appendix IV Exceedance
  - Notification of corrective measures assessment
  - Semi-annual corrective action report
  - Notification of completion of corrective action
- Closure and post-closure care
  - Closure plan
  - Time extensions for initiating closure
  - Time extensions for completing closure
  - Notification of intent to close
  - Notification of completion of closure
  - Notification of intent to comply with alternative closure requirements
  - Annual progress reports for alternative closure
  - Notification recording a notation on property deed
  - Post-closure care plan
  - Notification of completion of post-closure care

Huntington Plant

Huntington CCR Landfill
- Location restrictions
  - Unstable areas
- Operating criteria
  - CCR fugitive dust control plan
  - 2016 Annual fugitive dust control report
  - 2017 Annual fugitive dust control report
  - 2018 Annual fugitive dust control report
  - 2019 Annual fugitive dust control report
  - Run-on and run-off control plan
  - Annual engineering inspection reports
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Corrective measures assessment
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of return to detection monitoring program
  - Notification of Appendix IV exceedances
    - Initial Notification of Appendix IV Exceedance
    - 1st Half 2019 Notification of Appendix IV Exceedance
  - Notification of corrective measures assessment
  - Corrective measures assessment
  - Semi-annual corrective action report
  - Notification of completion of corrective action
- Closure and post-closure care
  - Closure plan
  - Time extensions for initiating closure
  - Time extensions for completing closure
  - Notification of intent to close
  - Notification of completion of closure
  - Notification of intent to comply with alternative closure requirements
  - Annual progress reports for alternative closure
  - Notification recording a notation on property deed
  - Post-closure care plan
  - Notification of completion of post-closure care

Jim Bridger Plant

Jim Bridger Industrial Landfill
- Location restrictions
  - Unstable areas
- Operating criteria
  - CCR fugitive dust control plan
  - Annual fugitive dust control report
  - Run-on and run-off control plan
  - Annual engineering inspection reports
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of return to detection monitoring program
  - Notification of Appendix IV exceedances
  - Notification of corrective measures assessment
  - Corrective measures assessment
  - Semi-annual corrective action report
  - Notification of completion of corrective action
- Closure and post-closure care
  - Closure plan
  - Time extensions for initiating closure
  - Time extensions for completing closure
  - Notification of intent to initiate closure
  - Notification of completion of closure
  - Notification of intent to comply with alternative closure requirements
  - Annual progress reports for alternative closure
  - Notification recording a notation on property deed
  - Post-closure care plan
  - Notification of completion of post-closure care
Jim Bridger FGD Pond 2
- Location restrictions
- Design criteria
  - Documentation of liner type
  - Hazard potential classification assessment
  - Emergency action plan (EAP)
  - Documentation of annual EAP meeting
  - Documentation of EAP activation
  - History of construction
  - Structural stability assessment
  - Structural stability remedial action plans
  - Safety factor assessment
- Operating criteria
  - CCR fugitive dust control plan
  - Annual fugitive dust control report
  - Inflow design flood control system plan
  - Annual engineering inspection reports
  - Remediation plans for deficiencies
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of return to detection monitoring program
  - Notification of Appendix IV exceedances
  - Notification of corrective measures assessment
  - Corrective measures assessment
  - Semi-annual corrective action report
  - Notification of completion of corrective action
- Closure and post-closure care
  - Closure plan
  - Time extensions for initiating closure
  - Time extensions for completing closure
  - Notification of intent to close
  - Notification of completion of closure
  - Notification of intent to comply with alternative closure requirements
  - Annual progress reports for alternative closure
  - Notification recording a notation on property deed
  - Post-closure care plan
  - Notification of completion of post-closure care
Jim Bridger FGD Pond 1
- Closure and post-closure care
  - Notification of intent to initiate closure
  - Notification of completion of closure
  - Closure Plan
  - Post Closure Plan
- Operating criteria
  - CCR fugitive dust control plan
  - Annual engineering inspection reports
    - Annual Inspection Discontinuation Letter
  - 2017 Annual fugitive dust control report
  - 2018 Annual fugitive dust control report
  - 2019 Annual fugitive dust control report
  - Inflow design flood control
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Corrective Measures Assessment
    - Corrective Measures Assessment
    - Corrective Measures Assessment Extension
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of Appendix IV exceedances
    - Initial Notification of Appendix IV Exceedance
    - 1st Half 2019 Notification of Appendix IV Exceedance
  - Notification of corrective measures assessment
  - Notification of potential presence of CCR constituents to landowner
    - BLM Notification
    - Anadarko Notification
  - Semi-annual corrective action report
- Design Criteria

Naughton Plant

Naughton North Ash Pond
- Location restrictions
- Design criteria
  - Documentation of liner type
  - Hazard potential classification assessment
  - Emergency action plan (EAP)
  - Documentation of annual EAP meeting
  - Documentation of EAP activation
  - History of construction
  - Structural stability assessment
  - Structural stability remedial action plans
  - Safety factor assessment
- Operating criteria
  - CCR fugitive dust control plan
  - Annual Fugitive Dust Control Report
  - Inflow design flood control system plan
  - Annual engineering inspection reports
  - Remediation plans for deficiencies
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of return to detection monitoring program
  - Notification of Appendix IV exceedances
  - Notification of corrective measures assessment
  - Corrective measures assessment
  - Semi-annual corrective action report
  - Notification of completion of corrective action
- Closure and post-closure care
  - Closure plan
  - Time extensions for initiating closure
  - Time extensions for completing closure
  - Notification of intent to close
  - Notification of completion of closure
  - Notification of intent to comply with alternative closure requirements
  - Annual progress reports for alternative closure
  - Notification recording a notation on property deed
  - Post-closure care plan
  - Notification of completion of post-closure care
- Retrofit
  - Retrofit plan
  - Notification of intent to comply with alternative retrofit requirements
  - Annual progress reports for alternative retrofit requirements
  - Time extensions for completing retrofit activities
  - Notification of intent to retrofit a CCR unit
  - Notification of completion of retrofit activities
Naughton South Ash Pond
- Location restrictions
- Design criteria
  - Documentation of liner type
  - Hazard potential classification assessment
  - Emergency action plan (EAP)
  - Documentation of annual EAP meeting
  - Documentation of EAP activation
  - History of construction
  - Structural stability assessment
  - Structural stability remedial action plans
  - Safety factor assessment
- Operating criteria
  - CCR fugitive dust control plan
  - Annual Fugitive Dust Control Report
  - Inflow design flood control system plan
  - Annual engineering inspection reports
  - Remediation plans for deficiencies
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Corrective Measures Assessment
    - Corrective Measures Assessment
    - Corrective Measures Assessment Extension
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of return to detection monitoring program
  - Notification of Appendix IV exceedances
    - Initial Notification of Appendix IV Exceedance
    - 1st Half 2019 Notification of Appendix IV Exceedance
  - Notification of corrective measures assessment
  - Semi-annual corrective action report
  - Notification of completion of corrective action
- Closure and post-closure care
  - Closure plan
  - Time extensions for initiating closure
  - Time extensions for completing closure
  - Notification of intent to close
  - Notification of completion of closure
  - Notification of intent to comply with alternative closure requirements
  - Annual progress reports for alternative closure
  - Notification recording a notation on property deed
  - Post-closure care plan
  - Notification of completion of post-closure care
- Retrofit
  - Retrofit plan
  - Notification of intent to comply with alternative retrofit requirements
  - Annual progress reports for alternative retrofit requirements
  - Time extensions for completing retrofit activities
  - Notification of intent to retrofit a CCR unit
  - Notification of completion of retrofit activities
Naughton FGD Pond 4
- Location restrictions
- Design criteria
  - Documentation of liner type
  - Hazard potential classification assessment
  - Emergency action plan (EAP)
  - Documentation of annual EAP meeting
  - Documentation of EAP activation
  - History of construction
  - Structural stability assessment
  - Structural stability remedial action plans
  - Safety factor assessment
- Operating criteria
  - CCR fugitive dust control plan
  - Annual Fugitive Dust Control Report
  - Inflow design flood control system plan
  - Annual engineering inspection reports
  - Remediation plans for deficiencies
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of return to detection monitoring program
  - Notification of Appendix IV exceedances
  - Notification of corrective measures assessment
  - Corrective measures assessment
  - Semi-annual corrective action report
  - Notification of completion of corrective action
- Closure and post-closure care
  - Closure plan
  - Time extensions for initiating closure
  - Time extensions for completing closure
  - Notification of intent to close
  - Notification of completion of closure
  - Notification of intent to comply with alternative closure requirements
  - Annual progress reports for alternative closure
  - Notification recording a notation on property deed
  - Post-closure care plan
  - Notification of completion of post-closure care
Naughton FGD Pond 1
- Closure and post-closure care
  - Notification of intent to initiate closure
  - Notification of completion of closure
  - Closure Plan
  - Post Closure Plan
- Operating criteria
  - CCR fugitive dust control plan
  - 2017 Annual fugitive dust control report
  - 2018 Annual fugitive dust control report
  - 2019 Annual fugitive dust control report
  - Annual engineering inspection reports
    - Annual Inspection Discontinuation Letter
  - Inflow Design Flood Control
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Corrective measures assessment
    - Corrective Measures Assessment
    - Corrective Measures Assessment Extension
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of Appendix IV exceedances
    - Initial Notification of Appendix IV Exceedance
    - 1st Half 2019 Notification of Appendix IV Exceedance
  - Notification of corrective measures assessment
  - Semi-annual corrective action report
- Design Criteria
Naughton FGD Pond 2
- Closure and post-closure care
  - Notification of intent to initiate closure
  - Notification of completion of closure
  - Closure Plan
  - Post Closure Plan
- Operating criteria
  - CCR fugitive dust control plan
  - 2017 Annual fugitive dust control report
  - 2018 Annual fugitive dust control report
  - 2019 Annual fugitive dust control report
  - Annual engineering inspection reports
    - Annual Inspection Discontinuation Letter
  - Inflow Design Flood Control
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Corrective Measures Assessment
    - Corrective Measures Assessment
    - Corrective Measures Assessment Extension
  - Groundwater monitoring system certification
  - Statistical method certification
  - Notification of assessment monitoring program
  - Notification of Appendix IV exceedances
    - Initial Notification of Appendix IV Exceedance
    - 1st Half 2019 Notification of Appendix IV Exceedance
  - Notification of corrective measures assessment
  - Notification of potential presence of CCR constituents to landowner
    - FMC Notification
    - Westmoreland Notification
  - Semi-annual corrective action report
- Design Criteria
Naughton FGD Pond 5
- Design criteria
  - Pre-Construction Liner Certification
    - Pre-Construction Certification
  - As Built Liner Certification
    - As Built Liner Certification
  - Documentation of annual EAP meeting
    - 2019 Documentation of annual EAP meeting
    - 2018 Documentation of annual EAP meeting
  - Emergency action plan
    - Emergency action plan
  - Hazard potential classification
    - Hazard potential classification
  - History of construction
    - History of construction
  - Safety factor assessment
    - Safety factor assessment
  - Structural Stability
    - Structural Stability
- Operating Criteria
  - CCR Fugitive Dust Control Plan
  - Annual Fugitive Dust Control Report
    - 2018 Annual fugitive dust control report
    - 2019 Annual fugitive dust control report
  - Inflow Design Flood Control Plan
  - Annual engineering inspection reports
    - 2018 Annual Inspection
- Groundwater monitoring and corrective action
  - Annual groundwater monitoring and corrective action report
    - 2017
    - 2018
  - Groundwater monitoring system certification
  - Statistical method certification
- Location Restrictions
- Closure/Post Closure Care
  - Closure Plan
    - Closure Plan
  - Post Closure Plan
    - Post Closure Plan