German standard methods for the examination of water, waste water and sludge; sludge and sediments (group S); determination of the amenability to anaerobic digestion (S 8)
Edition 1985-06

Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994); German version EN ISO 10707:1997
Edition 1998-03

Fatty food - Determination of pesticides and polychlorinated biphenyls (PCBs) - Part 4: Determination, confirmatory tests, miscellaneous; German version EN 1528-4:1996
Edition 1997-01

German standard methods for the determination of water, waste water and sludge - Jointly determinable substances (group F) - Part 3: Determination of polychlorinated biphenyls (F 3)
Edition 1998-07

Safety of toys - Part 5: Chemical toys (sets) other than experimental sets; German version EN 71-5:2015
Edition 2015-12

German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 11: Determination of selected organic plant protecting agents by Automated Multiple Development (AMD)-technique (F 11)
Edition 1995-01

Fibre optic access to end-user - A guideline to building of FTTx fibre optic network; German version CLC/TR 50510:2012
Edition 2013-11