Standards List


( Sub Sub Group : Water purification systems for contaminants such as Arsenic, Fluoride, Nitrate, etc. )


Total Standards :  1

Revised Standards    New Standards
S.No IS Number IS Title Amendment Reaffirmation Year Document Action
1 IS 7231 : 2021
(3 Revision)
Plastic flushing cisterns for water closets and urinals - Specification (third revision) 0 ---- Download