2024 40 CFR 268.42 – Treatment standards expressed as specified technologies

2023 40 CFR 268.42 – Treatment standards expressed as specified technologies

2022 40 CFR 268.42 – Treatment standards expressed as specified technologies

2021 40 CFR 268.42 – Treatment standards expressed as specified technologies

2020 40 CFR 268.42 – Treatment standards expressed as specified technologies

2019 40 CFR 268.42 – Treatment standards expressed as specified technologies

2016 40 CFR 268.42 – Treatment standards expressed as specified technologies

2015 40 CFR 268.42 – Treatment standards expressed as specified technologies

2014 40 CFR 268.42 – Treatment standards expressed as specified technologies