To monitor the ecotoxicity of contaminated sites several environmental elements are tested using test organisms from various trophic levels. Sinapis alba, namely the white mustard is suitable for plant test.   The test procedure is described in the ENFO database at the following locations:

Water: https://www.enfo.hu/en/node/13295 (liquid sample)

Soil: https://www.enfo.hu/en/node/175  

Waste: https://www.enfo.hu/en/gallery/12410 (or other solid material)