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NA 119

DIN Standards Committee Water Practice

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Projects of NA 119

Number: 448

DIN EN ISO 1452-1 rev 2026-02-13 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: General More  Comment 
DIN EN ISO 1452-5 rev 2026-02-13 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 5: Fitness for purpose of the system More  Comment 
ISO/AWI 1452-5 2026-02-09 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 5: Fitness for purpose of the system More  Comment 
ISO/AWI 1452-3 2026-02-09 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 3: Fittings More  Comment 
ISO/AWI 1452-1 2026-02-09 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: General More  Comment 
ISO/AWI 1452-2 2026-02-09 Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Pipes More  Comment 
ISO/AWI 26336 2026-02-04 Code for hydrogeological investigation of highway in karst areas More  Comment 
ISO/AWI 22908 2026-01-23 Water quality - Radium 226 and Radium 228 - Test method using liquid scintillation counting More  Comment 
ISO/AWI 13161 2026-01-23 Water quality - Polonium 210 - Test method using alpha spectrometry More  Comment 
ISO/AWI 21138-3 2026-01-21 Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 3: Pipes and fittings with non-smooth external surface, Type B More  Comment 

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