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Ecotoxicological Summary

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Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.265 µg/L
Assessment factor:
1 000
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
2.65 µg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
26.5 ng/L
Assessment factor:
10 000
Extrapolation method:
assessment factor
PNEC marine water (intermittent releases):
0.265 µg/L

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
0.15 mg/L
Assessment factor:
100
Extrapolation method:
assessment factor

Sediment (freshwater)

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

Sediment (marine water)

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

Hazard for air

Air

Hazard assessment conclusion:
no hazard identified

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:
PNEC soil
PNEC value:
0.136 µg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential for bioaccumulation

Additional information

Conclusion on classification

Based on the observed ErC50 in the 72 hour algal toxicity study of 0.265 mg/L, the classification criteria for Acute Aquatic Toxicity Category 1 in accordance with 1272/2008/EC are met. Further consideration of the lack of biodegradation observed in a study conducted according to

OECD Test Guideline 301D and the algal toxicity observed above concludes that the substance is also classified as Aquatic Chronic Category 1

in accordance with the criteria set out in 1272/2008/EC. The criteria for PBT/vPvB are not met.