German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
Edition 1992-05

Treatment of water of swimming pools and baths - Part 1: General requirements
Edition 2023-06

Protection of metallic materials against corrosion - Guidance on the assessment of corrosion likelihood in closed water circulation systems; German version EN 14868:2005
Edition 2005-11

Filler materials for thermoplastics - Scope, designation, requirements, tests; German version EN 12943:1999
Edition 1999-12

Water quality - Determination of the chemical oxygen demand index (ST-COD) - Small-scale sealed tube method (ISO 15705:2002)
Edition 2003-01

Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017); German version EN ISO 19340:2017
Edition 2019-01

Methods of test for mortar for masonry - Part 17: Determination of water-soluble chloride content of fresh mortars; German version EN 1015-17:2000 + A1:2004
Edition 2005-01

Products and systems for the protection and repair of concrete structures - Test methods - Determination of chloride content in hardened concrete; German version EN 14629:2007
Edition 2007-06

Concrete, reinforced and prestressed concrete structures - Part 2: Concrete
Edition 2023-08

Mountaineering equipment - Rock anchors - Safety requirements and test methods; German version EN 959:2018
Edition 2019-04