IS 4764-1973
Tolerable limits for discharge of sewage into inland surface waters

Standard No.

IS 4764-1973

Release Date

1974

Published By

IN-BIS

Status

Be replaced

Replace By

ISO/DIS 4764:2023

Latest

ISO/DIS 4764:2023

Scope

1.1 This standard lays down the tolerance limits for sewage effluents discharged into inland surface waters (see 0.2). 1.1.1 Sewage effluents discharged on land are not covered by this standard.

IS 4764-1973 history

• 2023 ISO/DIS 4764:2023 Plastics-Polyols for Use in the production of polyurethanes
• 1974 IS 4764-1973 Tolerable limits for discharge of sewage into inland surface waters