GB/T 46679-2025 Guidelines for evaluation of water-saving college

GB/T 12452-1990 The general principles of water balance and testing in enterprises GB/T 12452-2008 The general principles of water balance test in enterprises GB/T 12452-2022 General principles of water balance test GB/T 18870-2002 Technical conditions for water saving products and general regulation for management GB/T 18870-2011 Technical conditions for water saving products and general regulation for management GB/T 18920-2002 The reuse of urban recycling water—Water quality standard for urban miscellaneous water consumption GB/T 18920-2020 The reuse of urban recycling water—Water quality standard for urban miscellaneous use GB 24789-2009 General provisions on equipping and managing of the measuring instrument of water in organization of water using GB/T 24789-2022 General rules for equipping and managing of the water measuring instrument in water-use organization GB/T 26922-2011 Guide for evaluating water saving users in service industry GB/T 28714-2012 Directive for technique of water metering GB/T 28714-2023 Directive for technique of water metering GB/T 31436-2015 Sanitary fixture for water saving GB/T 37813-2019 Management specifications for water conservation on public institutions CJJ 92-2016 Standard for water loss control and assessment of urban water distribution system