Versions of 40 CFR 141.553 - My system practices lime softening--is there any special provision regarding my combined filter effluent? on LawServer 2024 40 CFR 141.553 – My system practices lime softening–is there any special provision regarding my combined filter effluent? 2023 40 CFR 141.553 – My system practices lime softening – is there any special provision regarding my combined filter effluent? 2022 40 CFR 141.553 – My system practices lime softening – is there any special provision regarding my combined filter effluent? 2021 40 CFR 141.553 – My system practices lime softening – is there any special provision regarding my combined filter effluent? 2020 40 CFR 141.553 – My system practices lime softening–is there any special provision regarding my combined filter effluent? 2019 40 CFR 141.553 – My system practices lime softening–is there any special provision regarding my combined filter effluent? 2016 40 CFR 141.553 – My system practices lime softening–is there any special provision regarding my combined filter effluent? 2015 40 CFR 141.553 – My system practices lime softening–is there any special provision regarding my combined filter effluent? 2014 40 CFR 141.553 – My system practices lime softening-is there any special provision regarding my combined filter effluent? 2010 40 CFR 141.553 – My system practices lime softening–is there any special provision regarding my combined filter effluent? 2009 40 CFR 141.553 – My system practices lime softening–is there any special provision regarding my combined filter effluent?