2024 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2023 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2022 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2021 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2020 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2019 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2016 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2015 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2014 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2010 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification

2009 30 CFR 77.216-4 – Water, sediment or slurry impoundments and impounding structures; reporting requirements; certification