Registration Dossier
Registration Dossier
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EC number: 232-056-9 | CAS number: 7784-30-7
Additional information on environmental fate and behaviour
Administrative data
- Endpoint:
- additional information on environmental fate and behaviour
- Adequacy of study:
- supporting study
- Reliability:
- other: conceptual model development. Reliability not applicable
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Title:
- Unnamed
- Year:
- 2 007
Materials and methods
Test guideline
- Qualifier:
- no guideline available
- Principles of method if other than guideline:
- 1. Development of a conceptual model, exposure scenarios, effect evaluation and risk assessment protocol.
2. Implementation of the model and a set of examples based on generic European scenarios as well as a pan European probabilistic estimation covering the diversity observed for the European conditions. - GLP compliance:
- no
- Remarks:
- Not applicable
Test material
- Reference substance name:
- Pentasodium triphosphate
- EC Number:
- 231-838-7
- EC Name:
- Pentasodium triphosphate
- Cas Number:
- 7758-29-4
- Molecular formula:
- Na5P3O10 H5-xP3O10Nax (where x is approximately 5) 6H2O.Na5P3O10
- IUPAC Name:
- Pentasodium triphosphate
Constituent 1
Results and discussion
Any other information on results incl. tables
Our results indicate that the simplified model offers acceptable estimations. More sophisticated models are obviously required for site specific assessment. In the sensitivity analysis conducted by Hanrahan et al (2001) for the Frome catchment human contribution and arable land emissions were the most important factors controlling P loading. Vighi et al. (1991) observed significant differences related to land slope.
The generic estimations produced by the model are based on a simplistic approach and does not cover local specific aspects, such as historic loads or the retention of P in the catchment area and the upstream river basin. However, the approach is considered suitable for a generic pan-European assessment. Thus, the developed model is considered sufficient for the generic estimations required for this study.
Applicant's summary and conclusion
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