2024 40 CFR 372.27 – Alternate threshold and certification

2023 40 CFR 372.27 – Alternate threshold and certification

2022 40 CFR 372.27 – Alternate threshold and certification

2021 40 CFR 372.27 – Alternate threshold and certification

2020 40 CFR 372.27 – Alternate threshold and certification

2019 40 CFR 372.27 – Alternate threshold and certification

2016 40 CFR 372.27 – Alternate threshold and certification

2015 40 CFR 372.27 – Alternate threshold and certification

2014 40 CFR 372.27 – Alternate threshold and certification