2221-2442 2221-2442 S2221-24422022000100012 Cuba 00 06 2022 00 06 2022 53 1 12 22

2020 9 1 1 21-7 APHA-AWWA-WEF 2017 23rd American Society for Testing and Materials 2019 American Society for Testing and Materials 2017 American Society for Testing and Materials 2014 American Society for Testing and Materials 2019 American Society for Testing and Materials 2020 American Society for Testing and Materials 2020 American Society for Testing and Materials 2017 American Society for Testing and Materials 2015 2016 2017 20 5 5 1201-10 1997 2010 2017 International Organization for Standardization 2017 International Organization for Standardization 2017 International Organization for Standardization 2017 International Organization for Standardization 2019 International Organization for Standardization 2017 International Organization for Standardization 2015 2017 2018 2020 2020 40 2 2 21-7 2018 23 2 2 1-18