2024 40 CFR 147.901 – EPA-administered program–Class I, III, IV, V, and VI wells and Indian lands

2023 40 CFR 147.901 – EPA-administered program – Class I, III, IV, V, and VI wells and Indian lands

2022 40 CFR 147.901 – EPA-administered program – Class I, III, IV, V, and VI wells and Indian lands

2021 40 CFR 147.901 – EPA-administered program – Class I, III, IV, V, and VI wells and Indian lands

2020 40 CFR 147.901 – EPA-administered program–Class I, III, IV, V, and VI wells and Indian lands

2019 40 CFR 147.901 – EPA-administered program–Class I, III, IV, V, and VI wells and Indian lands

2016 40 CFR 147.901 – EPA-administered program–Class I, III, IV, V, and VI wells and Indian lands

2015 40 CFR 147.901 – EPA-administered program

2014 40 CFR 147.901 – EPA-administered program

2010 40 CFR 147.901 – EPA-administered program

2009 40 CFR 147.901 – EPA-administered program