GB/T 42868-2023 Technical condition for marine reclaimed-water reused treatment equipment

GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 19804-2005 Welding—General tolerances for welded constructions—Dimensions for lengths and angles—Shape and position GB/T 27888.1-2011 Ships and marine technology—Drainage systems on ships and marine structures—Part 1:Sanitary drainage-system design GD 22-2015 MEPC.227(64)决议 GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 5750.4-2006 Standard examination methods for drinking water—Organoleptic and physical parameters GB/T 5750.4-2023 Standard examination methods for drinking water—Part 4:Organoleptic and physical indices GB/T 5750.5-2006 Standard examination methods for drinking water—Nonmetal parameters GB/T 5750.5-2023 Standard examination methods for drinking water—Part 5:Inorganic nonmetallic indices GB/T 5750.7-2006 Standard examination methods for drinking water—Aggregate organic parameters GB/T 5750.7-2023 Standard examination methods for drinking water—Part 7:Aggregate organic indices GB/T 5750.11-2006 Standard examination methods for drinking water—Disinfectants parameters GB/T 5750.11-2023 Standard examination methods for drinking water—Part 11:Disinfectants indices GB/T 5750.12-2006 Standard examination methods for drinking water—Microbiological parameters GB/T 5750.12-2023 Standard examination methods for drinking water—Part 12:Microbiological indices GB/T 7489-1987 Water quality—Determination of dissolved oxygen—Iodometric method GB/T 7494-1987 Water quality—Determination of anionic surfactants—Methylene blue spectrophotometric method GB/T 10833-1989 Marine sewage treatment system specification GB/T 10833-2015 Marine sewage treatment equipment specification GB/T 10833-2023 Technical condition for marine sewage treatment system GB/T 13306-1991 Plates GB/T 13306-2011 Plates HJ 493-2009 Water quality: Sample preservation and management technical regulations HJ 494-2009 Water quality sampling technical guidance HJ 506-2009 Water quality: Determination of dissolved oxygen using electrochemical probe method HJ 585-2010 Water quality determination of free and total chlorine using N,N-diethyl-1,4-phenylene diamine titration method GB 3552-1983 Effluent standard for pollutants from ship GB/T 191-2025 Graphical symbols marking for handling and storage of packages