Registration Dossier
Registration Dossier
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EC number: 214-604-9 | CAS number: 1163-19-5
Toxicity to soil macroorganisms except arthropods
Administrative data
- Endpoint:
- toxicity to soil macroorganisms except arthropods: long-term
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- March - Dec 2001
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Performed according to guidelines and GLPs using commercial product as test article.
Data source
Referenceopen allclose all
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 001
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 2 002
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 850.6200 (Earthworm Subchronic Toxicity Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 207 (Earthworm, Acute Toxicity Tests)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Proposed Guideline for Earthworm Reproduction Test
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Bis(pentabromophenyl) ether
- EC Number:
- 214-604-9
- EC Name:
- Bis(pentabromophenyl) ether
- Cas Number:
- 1163-19-5
- Molecular formula:
- C12Br10O
- IUPAC Name:
- bis(pentabromophenyl) ether
- Details on test material:
- Test material was a composite of equal porportions of the commercial DecaBDE products of Albemarle Corp, Dead Sea Bromine Group, and Great Lakes Chemical Corp
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
Test substrate
- Vehicle:
- no
Test organisms
- Test organisms (species):
- Eisenia fetida
- Animal group:
- annelids
Study design
- Study type:
- laboratory study
- Substrate type:
- artificial soil
- Limit test:
- no
- Total exposure duration:
- 56 d
- Post exposure observation period:
- None.
Test conditions
- Test temperature:
- 16.8 - 20.7 degrees C
- pH:
- soil pH Day 0 = 5.86 to 6.07
soil pH Day 56 = 5.35 to 5.86 - Moisture:
- Day O = 25.3 to 28.2%
Day 56 = 36.4 to 45.3% - Nominal and measured concentrations:
- Nominal: 0 (Control), 312.6, 650.0, 1250, 2500 and 5000 mg DecaBDE/kg dry soil
Mean Measured: <100 (Control), 320, 668, 1240, 2480 and 4910 mg DecaBDE/kg dry soil - Reference substance (positive control):
- no
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 28 d
- Dose descriptor:
- EC50
- Effect conc.:
- > 4 910 mg/kg soil dw
- Nominal / measured:
- meas. (arithm. mean)
- Conc. based on:
- test mat.
- Basis for effect:
- other: survival
- Duration:
- 56 d
- Dose descriptor:
- EC50
- Effect conc.:
- > 4 910 mg/kg soil dw
- Nominal / measured:
- meas. (arithm. mean)
- Conc. based on:
- test mat.
- Basis for effect:
- reproduction
- Duration:
- 56 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 4 910 mg/kg soil dw
- Nominal / measured:
- meas. (arithm. mean)
- Conc. based on:
- test mat.
- Basis for effect:
- other: survival and reproduction
Any other information on results incl. tables
At the end of the study, all earthworm tissue concentrations of DecaBDE, regardless of what test dose concentration was analyzed, were belwo the level of quantification (<0.75 ug/g tissue).
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- DecaBDE incorporated into soil at nominal concentrations of up to 5000 mg/kg dry weight soil had no effect on the 56 d surival or reproduction of the earthworm, E. fetida. The NOEC for survival and reproduction was 5000 mg/kg dw (nominal) or 4910 mg/kg dw (measured). DecaBDE was not detected in earthworm tissue at the end of the study (LOQ=0.75 ug/g tissue).
- Executive summary:
DecaBDE incorporated into soil at nominal concentrations of up to 5000 mg/kg dry weight soil had no effect on the 56 d surival or reproduction of the earthworm, E. fetida. The NOEC for survival and reproduction was 5000 mg/kg dw (nominal) or 4910 mg/kg dw (measured). DecaBDE was not detected in earthworm tissue at the end of the study (LOQ=0.75 ug/g tissue).
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