Versions of 43 CFR 3179.6 - Venting limitations on LawServer 2024 43 CFR 3179.6 – Venting limitations 2023 43 CFR 3179.6 – Venting limitations 2022 43 CFR 3179.6 – Venting limitations 2020 43 CFR 3179.6 – Venting limitations 2019 43 CFR 3179.6 – Venting limitations 2016 43 CFR 3179.6 – Venting prohibition