Publications of NA 119

ISO/TS 18721 2026-02 Pre-standard Ecological soil functions - Characteristics, indicators and methods More  Order from DIN Media
ISO/TS 19620 2018-01 Pre-standard Water quality - Determination of arsenic(III) and arsenic(V) species - Method using high performance liquid chromatography (HPLC) with detection by inductively coupled plasma mass spectrometry (ICP-MS) or hydride generation atomic fluorescence spectrometry (HG-AFS) More  Order from DIN Media
ISO/TS 20131-1 2018-07 Pre-standard Soil quality - Easy laboratory assessments of soil denitrification, a process source of N₂O emissions - Part 1: Soil denitrifying enzymes activities More  Order from DIN Media
ISO/TS 20131-2 2018-06 Pre-standard Soil quality - Easy laboratory assessments of soil denitrification, a process source of N2O emissions - Part 2: Assessment of the capacity of soils to reduce N2O More  Order from DIN Media
ISO/TS 20281 2006-04 Pre-standard Water quality - Guidance on statistical interpretation of ecotoxicity data More  Order from DIN Media
ISO/TS 20612 2007-12 Pre-standard Water quality - Interlaboratory comparisons for proficiency testing of analytical chemistry laboratories More  Order from DIN Media
ISO/TS 20656-1 2017-06 Pre-standard Plastics piping systems - General rules for structural design of glass-reinforced thermosetting plastics (GRP) pipes - Part 1: Buried pipes More  Order from DIN Media
ISO/TS 21003-7 2019-04 Pre-standard Multilayer piping systems for hot and cold water installations inside buildings - Part 7: Guidance for the assessment of conformity More  Order from DIN Media
ISO/TS 21152 2024-12 Pre-standard Guidance on water conservation techniques of circulating cooling water in thermal power plants More  Order from DIN Media
ISO/TS 21231 2019-02 Pre-standard Water quality - Characterization of analytical methods - Guidelines for the selection of a representative matrix More  Order from DIN Media

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