Registration Dossier

Diss Factsheets

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.026 mg/L
Assessment factor:
1 000
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
0.26 mg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
0.003 mg/L
Assessment factor:
10 000
Extrapolation method:
assessment factor

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
9.25 mg/L
Assessment factor:
10
Extrapolation method:
assessment factor

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
0.573 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.057 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Hazard for air

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:
PNEC soil
PNEC value:
0.51 mg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
PNEC oral
PNEC value:
33.3 mg/kg food
Assessment factor:
30

Additional information

The substance is a complex mixture with an unknown composition or purity (UVCB) and the components of the substance were shown to have different solubility in aquous media. Therefore, all aquatic test were performed with WSF at a loading rate of 100 mg/l (based on the liquid suspension as received), the highest test concentration recommended in the OECD guidelines.

In none of the acute tests performed any effects were observed up to the maximum solubility in the tested media, thus LC50 and EC50 values exceed the measured concentrations (accounting for the water soluble components). For derivation of PNEC, however, the worst case was considered and the LC50 of the acute fish test (fish appeared to be the most sensitive species) was used for calculation. Also, PNEC sediment and soil were estimated using data (log Kow and Koc) of the soluble fraction of the substance as there is no information available on the insoluble fraction.

Conclusion on classification

Based on the results of the acute aquatic toxicity tests, i.e. no effects observed up to the maximum solubility in the test media, classification for the environment according to the CLP Regulation (EC) 1272/2008 and the DSD 67/548/EC is not justified.

Categories Display