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

7371 GI/202 3 (1) रजिस्ट्री सं. डी.एल.- 33004/99 REGD. No . D. L. -33004/99 EXTRAORDINARY PART III—Section 4 PUBLISHED BY AUTHORITY No. 780] NEW DELHI, T UESDAY , NOVEMBER 28 , 2023/ AGRAHAYANA 7, 1945 (1) (2) (3) (4) (5) 1 आई एस 8419 : 2023 CG-DL-E-29112023-250305 BUREAU OF INDIAN STANDARDS (Department of Consumer Affairs ) NOTIFICATION New Delhi, the 9th November , 2023 Ref: HQ-PUB013/1/2020 -PUB -BIS (729).—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of the standards, if any which are given in the fourth column shall also remain in force concurrently till they are withdrawn on the date indicated against them in the fifth column.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 P. RAJESH , Scientist F & DDG (ITS, PRT & TNM ) [ADVT. -III/4/Exty./ 562/2023 -24] Uploaded by Dte. of Printing at Government of India Press, Ring Road, Mayapuri, New Delhi -110064 and Published by the Controller of Pu blications, Delhi -110054. 2 आई एस 17955 : 2023 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Year & Title of the Indian Standards Established Date of Establishment No. , Year & Title of the Indian Standards to be withdrawn, if any Date of Withdrawal (1) (2) (3) (4) (5) 1 IS 8419 : 2023 Underdrainage System of Rapid Sand Gravity Filtration Equipment — Requirements (First Revision) 7 November 2023 IS 8419 (Part 2) : 1984 Requirements for Rapid Sand Gravity Filtration Equipment Part 2 Underdrainage System 7 December 2 IS 17955 : 2023 Sand and Gravel for Use as Filtration Medium — Specification 7 November 2023 IS 8419 (Part 1) : 1977 Requirements for Filtration Equipment Part 1 Filtration Media — Sand and Gravel 7 December