NA 119
DIN Standards Committee Water Practice
DIN 38412-31 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 38412-30 | 1989-03 | German standard methods for the examination of water, waste water and sludge; bio-assays (group L); determining the tolerance of Daphnia to the toxicity of waste water by way of a dilution series (L 30) More |
