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DIN EN ISO 18857-2
Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation (ISO 18857-2:2009); German version EN ISO 18857-2:2011
Edition
2012-01
DIN EN ISO 25649-3
Floating leisure articles for use on and in the water - Part 3: Additional specific safety requirements and test methods for Class A devices (ISO/DIS 25649-3:2021); German and English version prEN ISO 25649-3:2021
Edition
2021-11
DIN EN 15549
Air quality - Standard method for the measurement of the concentration of benzo[a]pyrene in ambient air; German version EN 15549:2008
Edition
2008-06
NF Z82-218 ; NF ETS 300218:1998-05-01
Integrated Services Digital Network (ISDN). Syntax-based Videotex lower layers protocols for ISDN packet mode (CCITT Recommendation X.31 Case A and Case B)
Edition
1998-05-01
VDI 4223
Quality assurance - Requirements on test laboratories and inspection bodies (Type A) in immission control: evaporative cooling systems, cooling towers, and wet separators
Edition
2021-03
23/30476772 DC
BS EN 488-2. District heating and district cooling pipes. Bonded pipe systems for directly buried hot and cold water networks. Factory made steel valve assembly for draining and venting, polyurethane thermal insulation and a casing of polyethylene. Part 2: Factory made steel valve assembly for draining and venting, polyurethane thermal insulation and a casing of polyethylene
Edition
2023-07-18
23/30476766 DC
BS EN 448. District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene
Edition
2023-07-06
23/30476769 DC
BS EN 488-1. District heating pipes. Bonded single pipe systems for directly buried hot water networks. Part 1. Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene
Edition
2023-07-06
UNE-EN 17415-2
District cooling pipes - Bonded single pipe systems for directly buried cold water networks - Part 2: Factory made fitting assemblies of steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene (Endorsed by Asociación Española de Normalización in October of 2021.)
Edition
2021-10-01
UNE-EN 17415-3
District cooling pipes - Bonded single pipe systems for directly buried cold water networks - Part 3: Factory made steel valve assembly for steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene (Endorsed by Asociación Española de Normalización in October of 2021.)
Edition
2021-10-01
