In pursuance of Sub rule (1) of Rule (15) of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Indian standards

REGD. No. D. L.-33004/99 The Gazette of India CG-DL-E-28022026-270546 EXTRAORDINARY PART III-Section 4 PUBLISHED BY AUTHORITY No. 139 ] NEW DELHI, WEDNESDAY, FEBRUARY 25, 2026/PHALGUNA 6, 1947 BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs) NOTIFICATION New Delhi, the 24th February, 2026 Ref: HQ-PUB013/1/2020-PUB-BIS (1449):-In pursuance of Sub-rule (1) of Rule (15) of the Bureau of Indian Standards Rules, 2018, the Bureau of Indian Standards hereby notifies that Indian standards, particulars of which are given in the second column of the schedule hereto annexed have been established on the date indicated against it in third column. The particulars of the standards, if any which are given in the fourth column shall also remain in force concurrently till they are withdrawn on the date indicated against them in the fifth column. SCHEDULE Sl. No. | No., Year & Title of the Indian Standards Established | Date of Establishment | No. Year & Title of the Indian Standards to be Withdrawn, if any | Date of Withdrawal (1) | (2) | (3) | (4) | (5) 1 | IS 1493 (Part 12): 2026 | 23 February 2026 | NA | NA ISO 11535: 2006 Methods of Chemical Analysis of Iron Ores Part 12 Determination of Various Elements Inductively Coupled Plasma Atomic Emission Spectrometric Method 1412 GI/2026 | (1) 2 | THE GAZETTE OF INDIA : EXTRAORDINARY | [PART III-SEC.4] [PART III- Section 4] | THE GAZETTE OF INDIA : EXTRAORDINARY | 5 2 | IS 2507: 2026 | 23 February 2026 | IS 2507: 1975 | 23 August 2026 Cold-Reduced Carbon and Alloy | | Specification for Cold-Rolled Steel Sheets and Strips – | | Steel Strips for Springs Specification | | (First Revision) (Second Revision) | | | | IS 7226-1974 | | | Specification for Cold-Rolled | | | Medium, High Carbon and | | | Low Alloy Steel Strip for | | | General Engineering Purposes | 3 | IS 19544 (Part 1): 2026 | 23 February 2026 | NA | NA ISO 3743-1:2010 Acoustics Determination of Sound Power Levels and Sound Energy Levels of Noise Sources using Sound Pressure Engineering Methods for Small Movable Sources in Reverberant Fields Part 1 Comparison Method for a Hard-Walled Test Room 4 | IS 19545: 2026 | 23 February 2026 | NA | NA ISO 11205: 2003 Acoustics Noise Emitted by Machinery and Equipment Engineering Method for the Determination of Emission Sound Pressure Levels in Situ at the Work Station and at other Specified Positions Using Sound Intensity 5 | IS 19547: 2026 | 23 February 2026 | NA | NA ISO 11204: 2010 Acoustics Noise Emitted by Machinery and Equipment Determination of Emission Sound Pressure Levels at a Work Station and at other Specified Positions Applying Accurate Environmental Corrections 6 | IS 19548: 2026 | 23 February 2026 | NA | NA ISO 11203: 1995 Acoustics - Noise Emitted by Machinery and Equipment Determination of Emission Sound Pressure Levels at a Work Station and at other Specified Positions from the Sound Power Level 7 | IS 19549: 2026 | 23 February 2026 | NA | NA ISO 11201: 2010 Acoustics - Noise Emitted by Machinery and Equipment Determination of Emission Sound 6 | THE GAZETTE OF INDIA : EXTRAORDINARY | [PART III-SEC.4] Pressure Levels at a Work Station and at other Specified Positions in an Essentially Free Field Over a Reflecting Plane with Negligible Environmental Corrections 8 | IS 19552: 2026 | 23 February 2026 | NA | NA ISO 3747: 2010 Acoustics Determination of Sound Power Levels and Sound Energy Levels of Noise Sources Using Sound Pressure Engineering/Survey Methods for Use in Situ in a Reverberant Environment 9 | IS 19553: 2026 | 23 February 2026 | NA | NA ISO 3746: 2010 Acoustics Determination of Sound Power Levels and Sound Energy Levels of Noise Sources Using Sound Pressure Survey Method Using an Enveloping Measurement Surface over a Reflecting Plane 10 | IS 19584: 2026 | 23 February 2026 | NA | NA Natural Gas Fuelling Stations LNG Stations for Fuelling Vehicles (ISO 16924: 2016, MOD) 11 | IS 19604 (Part 1): 2026 | 23 February 2026 | NA | NA ISO 10440-1:2007 Petroleum, Petrochemical and Natural Gas Industries Rotary- Type Positive Displacement Compressors Part 1 Process Compressors 12 | IS 19604 (Part 2): 2026 | 23 February 2026 | NA | NA ISO 10440-2: 2001 Petroleum, Petrochemical and Natural Gas Industries - Rotary- Type Positive Displacement Compressors Part 2 Packaged Air Compressors (Oil-Free) 13 | IS 19605 (Part 1): 2026 | 23 February 2026 | IS 15661: 2006 | 23 August 2026 ISO 10439-1: 2015 | | ISO 10439: 2002 Petroleum, Petrochemical and | | Petroleum, Chemical and Gas Natural Gas Industries - Axial | | Service Industries and Centrifugal Compressors and | | Centrifugal Expander-Compressors | | Compressors Part 1 General Requirements [PART III- खण्ड 4] | भारत का राजपत्र : असाधारण | 7 14 | IS 19605 (Part 2): 2026 | 23 February 2026 | IS 15661: 2006 | 23 August 2026 ISO 10439-2: 2015 | | ISO 10439: 2002 Petroleum, Petrochemical and | | Petroleum, Chemical and Gas Natural Gas Industries - Axial | | Service Industries and Centrifugal Compressors and | | Centrifugal Expander-Compressors | | Compressors Part 2 Non-Integrally Geared Centrifugal and Axial Compressors 15 | IS 19605 (Part 3): 2026 | 23 February 2026 | IS 15661: 2006 | 23 August 2026 ISO 10439-3: 2015 | | ISO 10439: 2002 Petroleum, Petrochemical and | | Petroleum, Chemical and Gas Natural Gas Industries - Axial | | Service Industries and Centrifugal Compressors and | | Centrifugal Expander-Compressors | | Compressors Part 3 Integrally Geared Centrifugal Compressors 16 | IS 19605 (Part 4): 2026 | 23 February 2026 | IS 15661: 2006 | 23 August 2026 ISO 10439-4: 2015 | | ISO 10439: 2002 Petroleum, Petrochemical and | | Petroleum, Chemical and Gas Natural Gas Industries - Axial | | Service Industries and Centrifugal Compressors and | | Centrifugal Expander-Compressors | | Compressors Part 4 Expander-Compressors 17 | IS 19608: 2026 | 23 February 2026 | NA | NA Hot-Rolled Carbon and Alloy Steel Plates, Sheets and Strips Specification CHITRA GUPTA, Scientist G & DDG (Hallmarking & Training) [ADVT.-III/4/Exty./717/2025-26] Uploaded by Dte. of Printing at Government of India Press, Ring Road, Mayapuri, New Delhi-110064 and Published by the Controller of Publications, Delhi-110054. GORAKHA NATH YADAVA Digitally signed by GORAKHA NATH YADAVA Date: 2026.02.28 09:30:53 +05'30'