Documents:
2015 Talen MT CSES CCR Fugitive Dust Control Plan-3 & 4 Bottom Ash Pond
Colstrip 3&4 Bottom Ash Pond-CCR Liner Construction Documentation Report October 2016
Colstrip 34 Bottom Ash Pond CCR Post Closure Plan October 2016 34 BAP
Colstrip 34 Bottom Ash Pond CCR Hazard Potential Classification Assessment October 2016
Colstrip 34 Bottom Ash Pond CCR Structural Stability Assessment October 2016
Colstrip 34 Bottom Ash Pond CCR Units 34 EHP Safety Factor Assessments October 2016
Colstrip 3-4 Bottom Ash Pond CCR Written Closure Plan October 2016
Colstrip-3-4-Bottom-Ash-Pond-CCR-Inflow-Design-Flood-Control-System-Plan-October-2016-34BAP
Colstrip-3-4-Bottom-Ash-Pond-CCR History of Construction Report October 2016 34BAP
2016 Colstrip Annual CCR Fugitive Dust Control Report 3 and 4 Bottom Ash Pond
Colstrip-3-4-Bottom-Ash-Pond-CCR-Groundwater-Monitoring-Plan-Certification-Oct-2017
Colstrip-3-4-Bottom-Ash-Pond-CCR-Groundwater-Monitoring-Statistical-Method-Certification-Oct-2017
2017-Colstrip-Annual-CCR-Fugitive-Dust-Control-Report-34-BA
2017-Colstrip-CCR-Annual-Groundwater-Monitoring-Corrective-Action-Report-3-4-Bottom-Ash
CCR Rule Assessment Notification Colstrip 257.94e3 5_8_18 - 3&4 Bottom Ash Pond
CCR Rule SSL Notification Colstrip 257.95(g) - 3&4 Bottom Ash Pond
MD18058 Location Restrictions - Colstrip Reduced - 3&4 Bottom Ash Pond
Talen Colstrip 2018 Fugitive Dust Control Report - 3&4 Bottom Ash Pond
2018 Annual Groundwater Monitoring and Corrective Action Report - 3&4 Bottom Ash Pond
Notification of Assessment of Corrective Action - 3&4 Bottom Ash Pond
Assessment of Corrective Measures - 3&4 Bottom Ash Pond
U34 BA Ponds Notification of Intent to Close
CCR Rule SSL Notification Colstrip 257.95(g) Spring 2019 - 3&4 Bottom Ash
2019 Annual Fugitive Dust Control Report - 3&4 Bottom Ash
2019 Annual Groundwater Monitoring and Corrective Action Report - 3&4 Bottom Ash
Selection of Remedy Plant Site Final 3&4 Bottom Ash
CCR Rule SSL Notification Colstrip 257.95(g) Spring 2020 - 3&4 Bottom Ash
CCR Rule SSL Notification Colstrip 257.95(g) Fall 2020 - 3&4 Bottom Ash
2020 Annual Fugitive Dust Control Report - 3&4 Bottom Ash
2020 CSES Annual Inspection Report - 3&4 Bottom Ash
2020 Annual Groundwater Monitoring and Corrective Action Report - 3&4 Bottom Ash
Colstrip Written Closure Plan Updated May 2021 - 3&4 Bottom Ash
2021 Structural Stability Assessment - 3&4 Bottom Ash
CCR Rule SSL Notification Colstrip 257.95(g) Spring 2021 - 3&4 Bottom Ash
Fall 2021 Progress Report - 3&4 Bottom Ash
2021 Safety Factor Assessments - 3&4 Bottom Ash
2021 Annual Fugitive Dust Control Report - 3&4 Bottom Ash
SSL Notification Colstrip 257.95(g) Fall 2021 - 3&4 Bottom Ash
2021 Annual Groundwater Monitoring and Corrective Action Report - 3&4 Bottom Ash
U34 BA Ponds Notification of Closure Completion and Closure Certification Statement
CCR Rule SSL Notification Colstrip 257.95(g) Spring 2022 - 3&4 Bottom Ash
2022 Annual Fugitive Dust Report - 3&4 Bottom Ash
CCR Rule SSL Notification Colstrip 257.95(g) Fall 2022 - 3&4 Bottom Ash
2022 Annual Groundwater and Corrective Action Report - 3&4 Bottom Ash