Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS) (ISO 9887:1992); German version EN ISO 9887:1994
Edition 1994-12

Copper and copper alloys - Determination of manganese content - Part 2: Flame atomic absorption spectrometric method (FAAS); German version EN 15703-2:2014
Edition 2015-03

Chemicals used for treatment of water intended for human consumption - Sodium sulfite; German version EN 12124:2022
Edition 2022-10

Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate; German version EN 12174:2022
Edition 2023-03

Hearing protectors - Safety requirements - Part 5: Active noise reduction earmuffs; German version EN 352-5:2020
Edition 2021-03

Founding - Technical conditions of delivery - Part 3: Additional requirements for iron castings; German version EN 1559-3:2011
Edition 2012-01

Rubber- or plastics-coated fabrics - Determination of tear strength - Part 3: Trapezoidal method (five-highest-peak calculation); German version EN 1875-3:2023
Edition 2023-04

Fasteners - Hexagon head bolts with reduced shank (shank diameter ≈ pitch diameter) - Product grade B (ISO 4015:2022); German version EN ISO 4015:2022
Edition 2022-10

Chemical disinfectants and antiseptics - Quantitative surface test for the evaluation of fungicidal or yeasticidal activity of chemical disinfectants and antiseptics used in the veterinary area on non-porous surfaces without mechanical action - Test method and requirements (phase 2, step 2); German version EN 16438:2014
Edition 2014-07

Plastics - Unsaturated polyester resins - Determination of hydroxyl value (ISO 2554:1997); German version EN ISO 2554:1998
Edition 1998-10