2024 CFR > Title 40 > Chapter I > Subchapter N > Part 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory

2023 CFR > Title 40 > CHAPTER I > SUBCHAPTER N > PART 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory

2022 CFR > Title 40 > Chapter I > Subchapter N > Part 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory

2021 CFR > Title 40 > Chapter I > Subchapter N > Part 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory

2020 CFR > Title 40 > Chapter I > Subchapter N > Part 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory

2019 CFR > Title 40 > Chapter I > Subchapter N > Part 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory

2016 CFR > Title 40 > Chapter I > Subchapter N > Part 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory

2015 CFR > Title 40 > Chapter I > Subchapter N > Part 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory

2014 CFR > Title 40 > Chapter I > Subchapter N > Part 422 > Subpart E – Defluorinated Phosphoric Acid Subcategory