Polyolefin pipes for the conveyance of fluids—Determination of resistance to crack propagation—Test method for slow crack growth(notch test)

Standard published on 30.8.2019

Unplasticized polyvinyl chloride (PVC-U) structure wall pipline system for underground soil waste and drainage - Part 1: double wall corrugated pipes

Standard published on 5.12.2007

Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and draindge - Part 2: Ultra-Rib pipes

Standard published on 30.12.2011

Unplasticized polyvinyl chloride (PVC-U) structure wall pipeline system for underground soil waste and drainage—Part 3: Axial hollow-wall construction pipes

Standard published on 30.8.2019

Fiber optic circulators

Standard published on 28.9.2001

Specification for submarine optical fiber cables

Standard published on 28.9.2001

Power quality--Temporary and transient overvoltages

Standard published on 2.11.2001

Code for startup and commissioning of reversible pumped storage units

Standard published on 30.4.2026

Emission standard of cooking fume

Standard published on 12.11.2001

Standard for pollution control on hazardous waste incineration

Standard published on 24.12.2020