Documents:

2015 Talen MT CSES CCR Fugitive Dust Control Plan-1 & 2 B Flyash Pond

2015 CSES Units 1-4 Annual Structural Stability Inspection Report - 12 BA

Colstrip 1&2 B Flyash-Pond-CCR Liner Construction Documentation Report October 2016

Colstrip 1&2 B Flyash Pond CCR Hazard Potential Classification Assessment October 2016

Colstrip-1-2-B-Flyash-Pond-CCR-History-of-Construction-Report-October-2016-BFA

Colstrip-1-2-B-Flyash-Pond-CCR-Inflow-Design-Flood-Control-System-Plan-October-2016-BFA

Colstrip-1-2-B-Flyash-Pond-CCR-Written-Closure-Plan-October-2016-BFA

Colstrip 12 B Flyash Pond CCR Structural Stability Assessment October 2016 BFA

Colstrip 12 B Flyash Pond CCR Units 12 STEP Safety Factor Assessment October 2016 BFA

Colstrip CCR Post Closure Plan October 2016 12BFA

2016-Colstrip-Annual-CCR-Fugitive-Dust-Control-Report-1-2-B-Flyash-Pond

2016-CSES-1-2-B-Flyash-Pond-Annual-Dam-Dike-Inspection-Report

Colstrip-1-2-B-Flyash-Pond-CCR-EAP

Colstrip-1-2-B-Flyash-Pond-CCR-Groundwater-Monitoring-Plan-Certification-Oct-2017

Colstrip-1-2-B-Flyash-Pond-CCR-Groundwater-Monitoring-Statistical-Method-Certification-Oct-2017

2017-Colstrip-Annual-CCR-Fugitive-Dust-Control-Report-12B-Flyash-Pond

2017-Colstrip-CCR-Annual-Groundwater-Monitoring-Corrective-Action-Report-1-2-B-Flyash-Pond

Colstrip 1-2 B Flyash Pond/Easier View of 2017 Colstrip CCR Annul Groundwater Monitoring Corrective Action Report 1-2 B Pond.pdf

Annual Emergency Action Plan Face to Face 2017 Colstrip 12 B Flyash Pond.pdf

CCR Rule Assessment Notification Colstrip 257.94e3 5_8_18 - 1&2 B Flyash Pond

CCR Rule SSL Notification Colstrip 257.95(g) -1&2 B Flyash Pond

MD18058 Location Restrictions Colstrip Reduced - 1&2 B Flyash Pond

Talen Colstrip 2018 Fugitive Dust Control Report - 1&2 B Flyash Pond

2018 Annual Groundwater Monitoring and Corrective Action Report - 1&2 Flyash Pond

Notification of Assessment of Corrective Action - 1&2 B Flyash Pond

Assessment of Corrective Measures - 1&2 B Flyash Pond

CCR Rule SSL Notification Colstrip 257.95(g) Spring 2019 - 1&2 B Flyash

2019 Annual Fugitive Dust Control Report - 1&2 B Flyash

2019 Annual Groundwater Monitoring and Corrective Action Report - 1&2 B Flyash

Selection of Remedy Plant Site Final B 1&2 Flyash

CCR Rule SSL Notification Colstrip 257.95(g) Spring 2020 - 1&2 B Flyash Pond

CCR Rule SSL Notification Colstrip 257.95(g) Fall 2020 -1&2 B Flyash

2020 Annual Fugitive Dust Control Report - 1&2 B Pond

2020 CSES Annual Inspection Report - 1&2 B Flyash

2020 Annual Groundwater Monitoring and Corrective Action Report - 1&2 B Flyash

Plant Area Units 1&2 B Flyash Pond Closure NOI

Colstrip Written Closure Plan Updated May 2021 - 1&2 B Flyash

2021 Structural Stability Assessment - 1&2 B Flyash

CCR Rule SSL Notification Colstrip 257.95(g) Spring 2021 - 1&2 B Flyash

Fall 2021 Progress Report - B Flyash

2021 Safety Factor Assessments - 1&2 B Flyash

2021 Annual Fugitive Dust Control Report - 1&2 B Flyash

2021 Annual Groundwater Monitoring and Corrective Action Report - 1&2 B Flyash

SSL Notification Colstrip 257.95(g) Fall 2021 - 1&2 B Flyash

1&2 Bottom Ash Emergency Action Plan April 2022 - B Flyash

CCR Rule SSL Notification Colstrip 257.95(g) Spring 2022 - 1&2 B Flyash

2022 Annual Fugitive Dust Report - B Flyash

CCR Rule SSL Notification Colstrip 257.95(g) Fall 2022 - B Flyash

2022 Annual Groundwater and Corrective Action Report - 1&2 B Flyash

Written Closure Plan Updated June 2023 - 1&2 B Flyash

CCR Rule_SSL_Notificaton_Colstrip_257.95(g)_spring2023 - 1&2 B Flyash

Colstrip 1&2 Flyash Pond CCR Hazard Potential Classification Assessment October 2023

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