2024 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2023 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2022 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2021 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2020 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2019 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2016 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2015 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2014 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2010 40 CFR 403.5 – National pretreatment standards: Prohibited discharges

2009 40 CFR 403.5 – National pretreatment standards: Prohibited discharges