2024 40 CFR 147.3008 – Criteria for aquifer exemptions

2023 40 CFR 147.3008 – Criteria for aquifer exemptions

2022 40 CFR 147.3008 – Criteria for aquifer exemptions

2021 40 CFR 147.3008 – Criteria for aquifer exemptions

2020 40 CFR 147.3008 – Criteria for aquifer exemptions

2019 40 CFR 147.3008 – Criteria for aquifer exemptions

2016 40 CFR 147.3008 – Criteria for aquifer exemptions

2015 40 CFR 147.3008 – Criteria for aquifer exemptions

2014 40 CFR 147.3008 – Criteria for aquifer exemptions

2010 40 CFR 147.3008 – Criteria for aquifer exemptions

2009 40 CFR 147.3008 – Criteria for aquifer exemptions