2024 CFR > Title 27 > Chapter I > Subchapter A > Part 19 > Subpart L > Rules for Chemical Byproducts

2023 CFR > Title 27 > CHAPTER I > SUBCHAPTER A > PART 19 > Subpart L > Rules for Chemical Byproducts

2022 CFR > Title 27 > Chapter I > Subchapter A > Part 19 > Subpart L > Rules for Chemical Byproducts – Rules for Chemical Byproducts

2021 CFR > Title 27 > Chapter I > Subchapter A > Part 19 > Subpart L > Rules for Chemical Byproducts – Rules for Chemical Byproducts

2020 CFR > Title 27 > Chapter I > Subchapter A > Part 19 > Subpart L > Rules for Chemical Byproducts

2019 CFR > Title 27 > Chapter I > Subchapter A > Part 19 > Subpart L > Rules for Chemical Byproducts

2016 CFR > Title 27 > Chapter I > Subchapter A > Part 19 > Subpart L > Rules for Chemical Byproducts

2015 CFR > Title 27 > Chapter I > Subchapter A > Part 19 > Subpart L > Rules for Chemical Byproducts