2024 40 CFR 53.8 – Designation of reference and equivalent methods

2023 40 CFR 53.8 – Designation of reference and equivalent methods

2022 40 CFR 53.8 – Designation of reference and equivalent methods

2021 40 CFR 53.8 – Designation of reference and equivalent methods

2020 40 CFR 53.8 – Designation of reference and equivalent methods

2019 40 CFR 53.8 – Designation of reference and equivalent methods

2016 40 CFR 53.8 – Designation of reference and equivalent methods

2015 40 CFR 53.8 – Designation of reference and equivalent methods

2014 40 CFR 53.8 – Designation of reference and equivalent methods

2010 40 CFR 53.8 – Designation of reference and equivalent methods

2009 40 CFR 53.8 – Designation of reference and equivalent methods