Registration Dossier
Registration Dossier
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EC number: 215-127-9 | CAS number: 1304-28-5
Bioaccumulation: aquatic / sediment
Administrative data
- Endpoint:
- bioaccumulation in aquatic species: fish
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Study not conducted according a current guideline but well documented and described. It meets generally accepted scientific principles
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 992
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- Bioconcentration factors of selected elements were determined through mesurements in Bluegill and water samples from the Merced river and Salt Slough, California
- GLP compliance:
- no
Test material
- Reference substance name:
- Barium
- EC Number:
- 231-149-1
- EC Name:
- Barium
- Cas Number:
- 7440-39-3
- IUPAC Name:
- barium
Constituent 1
- Radiolabelling:
- no
Test organisms
- Test organisms (species):
- Lepomis macrochirus
Study design
- Route of exposure:
- aqueous
- Test type:
- field study
- Water / sediment media type:
- natural water: freshwater
Test conditions
- Hardness:
- Merced River: 60.1 mg/L CaCO3 (mean)
Salt Slough: 422.7 mg/L CaCO3 (mean) - Test temperature:
- Merced River: 22.0 (mean)
Salt Slough: 20.6 (mean) - pH:
- Merced River: 7.40 (mean)
Salt Slough: 7.72 (mean) - Dissolved oxygen:
- Merced River: 8.1 mg/L (mean)
Salt Slough: 7.3 mg/L (mean)
Results and discussion
Bioaccumulation factoropen allclose all
- Type:
- BCF
- Value:
- 74.4 L/kg
- Basis:
- other: carcass
- Remarks on result:
- other: Male (Merced River)
- Type:
- BCF
- Value:
- 68.4 L/kg
- Basis:
- other: carcass
- Remarks on result:
- other: female (Merced River)
- Type:
- BCF
- Value:
- 20.2 L/kg
- Basis:
- other: carcass
- Remarks on result:
- other: Male (Salt Slough9
- Type:
- BCF
- Value:
- 22.8 L/kg
- Basis:
- other: carcass
- Remarks on result:
- other: Female (Salt Slough)
Any other information on results incl. tables
BCF gonad; 6.4 L/kg (Female, Merced River)
BCF gonad; 1.2 L/kg (Female, Salt Slough)
Applicant's summary and conclusion
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
