Registration Dossier

Ecotoxicological information

Toxicity to terrestrial plants

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Long-term EC10, LC10 or NOEC for terrestrial plants:
19.3 mg/kg soil dw

Additional information

A report has been provided (Servajean, 2004b) describing teststo determine the side effects of TDCP on the growth of three plant species – Wheat (Triticum aestivum), Mustard (Sinapis alba) and Red clover (Trifolium pratense). The end points are emergence and plant growth, expressed on a wet weight and dry weight basis. It is assumed that this means the weight of the whole plant including the root, though this is not stated explicitly in the report. The plants were harvested 19 days after 50% of the controls had emerged. 

The tests fulfilled the criteria for acceptability for determining a PNEC. The lowest NOEC (19.3 mg/kg dry weight) was determined for seedling emergence in Mustard.

In this case, correction for organic matter content in the test (1.4%) would give a more favourable result and therefore this correction has not been made.

NOEC          = 19.3 mg/kg dry weight