2024 40 CFR 61.139 – Provisions for alternative means for process vessels, storage tanks, and tar-intercepting sumps

2023 40 CFR 61.139 – Provisions for alternative means for process vessels, storage tanks, and tar-intercepting sumps

2022 40 CFR 61.139 – Provisions for alternative means for process vessels, storage tanks, and tar-intercepting sumps

2021 40 CFR 61.139 – Provisions for alternative means for process vessels, storage tanks, and tar-intercepting sumps

2015 40 CFR 61.139 – Provisions for alternative means for process vessels, storage tanks, and tar-intercepting sumps

2014 40 CFR 61.139 – Provisions for alternative means for process vessels, storage tanks, and tar-intercepting sumps

2010 40 CFR 61.139 – Provisions for alternative means for process vessels, storage tanks, and tar-intercepting sumps