2024 40 CFR 191.27 – Effective date

2023 40 CFR 191.27 – Effective date

2022 40 CFR 191.27 – Effective date

2021 40 CFR 191.27 – Effective date

2020 40 CFR 191.27 – Effective date

2019 40 CFR 191.27 – Effective date

2016 40 CFR 191.27 – Effective date

2015 40 CFR 191.27 – Effective date

2014 40 CFR 191.27 – Effective date

2010 40 CFR 191.27 – Effective date

2009 40 CFR 191.27 – Effective date