| S.No | Document Number | Document Title | Doc Type | Priority | Language | Document Stage | Last Action Date |
|---|---|---|---|---|---|---|---|
| 1 |
CHD/36/28361 IS 3025 : Part 15: 2023 |
Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 15 (Total Residue Dissolved and Suspended Solids) (Second Revision) Amendment - 1 | Amendment | 2 | English | WC-Draft | 26-07-2025 |
| 2 |
CHD/36/28362 IS 3025 : Part 17: 2022 |
Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 17 Non- Filterable Residue (Total Suspended Solids at 103 ? - 105 ?) ( Second Revision ) Amendment - 1 | Amendment | 2 | English | WC-Draft | 26-07-2025 |
| 3 |
CHD/36/28368 IS 3025 : Part 40: 2024 |
Methods of Sampling and Test (Physical and Chemical) For Water and Wastewater Part 40 Calcium (Second Revision) Amendment - 1 | Amendment | 2 | English | WC-Draft | 26-07-2025 |
| 4 |
CHD/36/28369 IS 3025 : Part 44: 2023 |
Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 44 Biochemical Oxygen Demand (BOD) (Second Revision) Amendment - 1 | Amendment | 2 | English | WC-Draft | 26-07-2025 |
| 5 |
CHD/36/28382 IS 3025 : Part 46: 2023 |
Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 46 Magnesium (Second Revision) Amendment - 1 | Amendment | 2 | English | WC-Draft | 26-07-2025 |
| 6 |
CHD/36/28383 IS 3025 : Part 45: 2024 |
Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 45 Sodium and Potassium (Second Revision) Amendment - 1 | Amendment | 2 | English | WC-Draft | 26-07-2025 |
| 7 |
CHD/36/28385 IS 3025 : Part 23: 2023 |
Methods of Sampling and Test (Physical and Chemical) For Water and Wastewater Part 23 Alkalinity (Second Revision) Amendment - 1 | Amendment | 2 | English | WC-Draft | 26-07-2025 |
| 8 |
CHD/36/28417 IS 3025 : Part 47: 2024 |
Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater Part 47 Lead ( Second Revision ) Amendment - 1 | Amendment | 2 | English | WC-Draft | 23-07-2025 |
| 9 |
CHD/36/28455 (Identical To: ISO/TS 5667-25 : 2022) |
Water Quality — Sampling Part 26 Guideline on the validation of the storage time of water samples | New | 2 | English | WC-Draft | 29-08-2025 |
| 10 |
CHD/36/28456 (Identical To: ISO 5667-26: 2022) |
Water Quality Sampling Part 27 Guidance on sampling for the parameters of the oceanic carbon dioxide system | New | 2 | English | WC-Draft | 31-08-2025 |
| 11 |
CHD/36/28467 IS 1622: 1981 |
Methods of Sampling and Microbiological Examination of Water and Wastewater Second Revision | Revision | 2 | English | WC-Draft | 31-07-2025 |
| 12 |
CHD/36/28478 (Identical To: ISO/TS 7013: 2023) |
Water Quality Guidance and requirements for designing an interlaboratory trial for validation of analytical methods | New | 2 | English | WC-Draft | 11-08-2025 |
| 13 |
CHD/36/28538 (Identical To: ISO 24384 : 2024) |
Water Quality — Determination of chromium VI and chromium III in water Method using liquid chromatography with inductively coupled plasma mass spectrometry LC-ICP-MS after chelating pretreatment | New | 2 | English | WC-Draft | 12-08-2025 |