Registration Dossier
Registration Dossier
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EC number: 231-198-9 | CAS number: 7446-14-2
Toxicity to soil macroorganisms except arthropods
Administrative data
- Endpoint:
- toxicity to soil macroorganisms except arthropods: short-term
- Type of information:
- experimental study
- Adequacy of study:
- other information
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Acceptable, well-documented publication which meets basic scientific principles
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 994
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The concentration-response relationships of four species of earthworms are summarized for 62 chemicals and two tests protocols. A weibull function is used to summarize these data for each chemical in terms of sensivity and toxicity, in addition to the LC50.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Lead sulphate
- EC Number:
- 231-198-9
- EC Name:
- Lead sulphate
- Cas Number:
- 7446-14-2
- Molecular formula:
- H2O4S.Pb
Constituent 1
Sampling and analysis
- Analytical monitoring:
- not specified
Test substrate
- Vehicle:
- not specified
Test organisms
- Test organisms (species):
- other: Eisenia fetida, Allolobophora tuberculata, Eudrilus eugeniae, and Perionyx excavatus
- Animal group:
- annelids
Study design
- Study type:
- laboratory study
- Substrate type:
- not specified
- Total exposure duration:
- 2 d
Results and discussion
Effect concentrations
- Duration:
- 2 d
- Dose descriptor:
- LC50
- Effect conc.:
- >= 696 - 736 other: mg/kg
- Nominal / measured:
- meas. (initial)
- Conc. based on:
- not specified
- Basis for effect:
- not specified
Any other information on results incl. tables
The responses of the four species of earthworms are generally similar, considering chemical toxicity and species tolerance to the chemicals.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- not specified
- Conclusions:
- In the condition of the study, LC50 of lead sulphate was near 716mg/kg.
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.
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