2024 40 CFR 147.903 – Existing Class I and III wells authorized by rule

2023 40 CFR 147.903 – Existing Class I and III wells authorized by rule

2022 40 CFR 147.903 – Existing Class I and III wells authorized by rule

2021 40 CFR 147.903 – Existing Class I and III wells authorized by rule

2020 40 CFR 147.903 – Existing Class I and III wells authorized by rule

2019 40 CFR 147.903 – Existing Class I and III wells authorized by rule

2016 40 CFR 147.903 – Existing Class I and III wells authorized by rule

2015 40 CFR 147.903 – Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule

2014 40 CFR 147.903 – Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule

2010 40 CFR 147.903 – Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule

2009 40 CFR 147.903 – Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule