2024 40 CFR 27.21 – Discovery

2023 40 CFR 27.21 – Discovery

2022 40 CFR 27.21 – Discovery

2021 40 CFR 27.21 – Discovery

2020 40 CFR 27.21 – Discovery

2019 40 CFR 27.21 – Discovery

2016 40 CFR 27.21 – Discovery

2015 40 CFR 27.21 – Discovery

2014 40 CFR 27.21 – Discovery