2024 40 CFR 268.48 – Universal treatment standards

2023 40 CFR 268.48 – Universal treatment standards

2022 40 CFR 268.48 – Universal treatment standards

2021 40 CFR 268.48 – Universal treatment standards

2020 40 CFR 268.48 – Universal treatment standards

2019 40 CFR 268.48 – Universal treatment standards

2016 40 CFR 268.48 – Universal treatment standards

2015 40 CFR 268.48 – Universal treatment standards

2014 40 CFR 268.48 – Universal treatment standards