| IS No. | Title |
| IS 3025 | Methods of sampling and test (physical and chemical) for water and waste water: |
| (Part 2) : 2019/ISO 11885 : 2007 | Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICPOES) (first revision) |
| (Part 4) : 2021 | Colour (second revision) |
| (Part 5) : 2018 | Odour (second revision) |
| (Part 8) : 2023 | Taste rating (second revision) |
| (Part 10) : 2023 | Turbidity (second revision) |
| (Part 11) : 2022/ISO 10523 : 2008 | pH value (second revision) |
| (Part 16) : 2023 | Filterable residue (total dissolved solids) at 180 °C (second revision) |
| (Part 23) : 2023 | Alkalinity (second revision) |
| (Part 24) | Sulphates, |
| (Sec 1) : 2022 | Gravimetric and turbidity methods (second revision) |
| (Sec 2) : 2021/ISO 22743 : 2006 | Method by continuous flow analysis |
| (Part 26) : 2021 | Chlorine, residual (second revision) |
| (Part 27) | Cyanide, |
| (Sec 1) : 2021 | Titrimetric, colorimetric and ion-selective methods (second revision) |
| (Sec 2) : 2022/ISO 14403-1 : 2012 | Method using flow injection analysis |
| (Sec 3) : 2021/ISO 14403-2 : | Method using continuous flow analysis (CFA) |
| (Part 29) : 2022 | Sulphide (second revision) |
| (Part 32) : 1988 | Chloride (first revision) |
| (Part 34/Sec 1) : 2023 | Nitrogen, Section 1 Determination of various types of nitrogen like ammoniacal, nitrate, nitrite and organic nitrogen (second revision) |
| (Part 37) : 2022 | Arsenic (second revision) |
| (Part 40 : 1991) | Calcium (first revision) |
| (Part 41 : 2023) | Cadmium (second revision) |
| (Part 42 : 1992) | Copper (first revision) |
| (Part 39) : 2021 | Oil and grease (second revision) |
| (Part 43/Sec 1 : 2022) | Phenol, Section 1 4-aminoantipyrine method with and without chloroform extaction method (second revision) |
| (Part 45) : 1993 | Sodium and potassium (first revision) |
| (Part 46) : 2023 | Magnesium (second revision) |
| (Part 47) : 1994 | Lead (first revision) |
| (Part 48) : 1994 | Mercury (first revision) |
| (Part 49) : 1994 | Zinc (first revision) |
| (Part 53) : 2003 | Iron (first revision) |
| (Part 55) : 2003 | Aluminium (first revision) |
| (Part 56) : 2003 | Selenium (first revision) |
| (Part 59) : 2006 | Manganese (first revision) |
| (Part 60) | Fluoride, |
| (Sec 1) : 2023 | Ion-selective electrode, SPANDS and liquid chromatography methods (second revision) |
| (Sec 2) : 2022/ISO/TS 17951-1 : 2016 | Method using flow injection analysis (FIA) and spectrometric detection after off-line distillation |
| (Sec 3) : 2022/ISO/TS 17951-2 : 2016 | Method using continuous flow analysis (CFA) with automated in-line distillation |
| (Part 65) : 2022/ISO 17294-2 : 2016 | Application of inductively coupled plasma mass spectrometry (ICP-MS) - Determination of selected elements including uranium isotopes (first revision) |
| (Part 67) : 2018/ISO 15061 : 2001 | Determination of dissolved bromate - Method by liquid chromatography of ions |
| (Part 68) : 2019 | Anionic surfactants |
| (Part 75) : 2022/ISO 10304-1 : 2007 | Determination of dissolved anions by liquid chromatography of ions - Determination of bromide, chloride, fluoride, nitrate, nitrite, phosphate and sulfate |
| (Part 78) : 2021/ISO 16265 : 2009 | Determination of the methylene blue active substances ( MBAS ) index - Method using continuous flow analysis (CFA) |
| (Part 79) : 2023 | Silver |
| IS 4905 : 2015/ISO 24153 : 2009 | Random sampling and randomization procedures (first revision) |
| IS 5401 (Part 1) : 2012/ISO 4832 : 2006 | Microbiology of food and animal feeding stuffs - Horizontal method for the detection and enumeration of coliforms: Part 1 Colonycount technique (second revision) |
| IS 5402 (Part 1) : 2021/ISO 4833-1 : 2013 | Microbiology of the food chain - Horizontal method for the enumeration of microorganisms: Part 1 Colony count at 30 °C by the pour plate technique (third revision) |
| IS 5887 | Methods for detection of bacteria responsible for food poisoning: |
| (Part 2) : 1976 | Isolation, identification and enumeration of Staphylococcus aureus and faecal streptococci (first revision) |
| (Part 5/Sec 1) : 2023/ISO 21872-1 : 2017 | Horizontal method for the determination of Vibrio spp., Section 1 Detection of potentially enteropathogenic Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus (second revision) |
| (Part 7) : 1999 | General guidance on methods isolation and identification of Shigella |
| IS 10500 : 2012 | Drinking water - Specification (second revision) |
| IS 11984 : 1986 | Specification for glass bottles for free flowing liquids |
| IS 13428 : 2005 | Packaged natural mineral water - Specification (second revision) |
| IS 14194 | Radionuclides in environmental samples - Methods of estimation: |
| (Part 1) : 2020 | Gross beta activity measurement (second revision) |
| (Part 2) : 2022 | Gross alpha activity measurement (second revision) |
| (Part 3) : 2021 | Uranium (first revision) |
| IS 15185 : 2016/ISO 9308-1 : 2014 | Water quality - Detection and enumeration of Escherichia coli and Coliform bacteria - Membrane filtration method for water with low bacterial background flora (first revision) |
| IS 15186 : 2002/ISO 7899-2 : 2000 | Water quality - Detection and enumeration of intestinal Enterococci - Membrane filtration method |
| IS 15187 : 2016/ISO 19250 : 2010 | Water quality - Detection of Salmonella species (first revision) |
| IS 15188 : 2022/ISO 8199 : 2018 | Water quality - General requirements and guidance for microbiological examinations by culture (second revision) |
| IS 15302 : 2003 | Determination of aluminium and barium in water by direct nitrous oxide - Acetylene flame atomic absorption spectrometry |
| IS 15303 : 2003 | Determination of antimony, iron and selenium in water by electrothermal atomic absorption spectrometric method |
| IS 15410 : 2003 | Containers for packaging of natural mineral water and packaged drinking water - Specification |
| IS 15609 : 2005 | Polyethylene flexible pouches for the packaging of natural mineral water and packaged drinking water - Specification |
| IS 15669 : 2006/ISO 10695 : 2000 | Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic method |
| IS 16069 (Part 1) : 2013/ISO 21527-1 : 2008 | Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of yeasts and moulds - Part 1: Colony count technique in products with water activity greater than 0.95 |
| IS 17753 : 2021 | Paperbased multilayer laminated/extruded composite cartons (aseptic and non-aseptic) for processed liquid food products and beverages - Specification |
| IS 18285 : 2023 | Aluminium cans for packaged natural mineral water and packaged drinking water - Specification |
| ISO 16266-2 : 2018 | Water quality - Detection and enumeration of Pseudomonas aeruginosa - Part 2: Most probable number method |