Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005); German version EN ISO 20079:2006
Edition 2006-12

Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test
Edition 2005-11

Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005)
Edition 2006-12-01

Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005)
Edition 2006-12

Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test
Edition 2006-12-01

Water quality. Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor). Duckweed growth inhibition test
Edition 2006-01-23

Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017); German version EN ISO 20227:2017
Edition 2017-10

Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017)
Edition 2017-10-01

Characterization of waste - Preparation of waste samples for ecotoxicity tests; German version EN 14735:2021
Edition 2022-08

Water quality - Sampling - Part 16: Guidance on biotesting of samples (ISO 5667-16:2017); German version EN ISO 5667-16:2017
Edition 2019-03