2024 40 CFR 225.4 – Waiver by Administrator

2023 40 CFR 225.4 – Waiver by Administrator

2022 40 CFR 225.4 – Waiver by Administrator

2021 40 CFR 225.4 – Waiver by Administrator

2020 40 CFR 225.4 – Waiver by Administrator

2019 40 CFR 225.4 – Waiver by Administrator

2016 40 CFR 225.4 – Waiver by Administrator

2015 40 CFR 225.4 – Waiver by Administrator

2014 40 CFR 225.4 – Waiver by Administrator