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Sediment toxicity

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Reference
Endpoint:
sediment toxicity: long-term
Remarks:
Chironomus riparius
Type of information:
experimental study
Adequacy of study:
other information
Study period:
February 2008
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation
Remarks:
OECD 218
Qualifier:
according to guideline
Guideline:
OECD Guideline 218 (Sediment-Water Chironomid Toxicity Test Using Spiked Sediment)
GLP compliance:
not specified
Test organisms (species):
Chironomus riparius
Test type:
not specified
Water media type:
not specified
Type of sediment:
not specified
Duration:
28 d
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
60 mg/kg sediment dw
Basis for effect:
other: development rate, total emergence, sex ratio
Duration:
28 d
Dose descriptor:
LOEC
Effect conc.:
> 60 mg/kg sediment dw
Basis for effect:
other: development rate, total emergence, sex ratio
Validity criteria fulfilled:
not specified
Conclusions:
The substance has a 28 day NOEC and 28 day LOEC equal to 60 mg/kg dry and > 60 mg/kg dry weight, respectively.

Description of key information

Based on the OECD 218 the NOEC (28 day), the substance has a 28 day NOEC and 28 day LOEC equal to 60 mg/kg dry and > 60 mg/kg dry weight, respectively.

Key value for chemical safety assessment

EC10, LC10 or NOEC for freshwater sediment:
60 mg/kg sediment dw

Additional information

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