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Environmental fate & pathways

Bioaccumulation: aquatic / sediment

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Administrative data

Endpoint:
bioaccumulation in sediment species, other
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Basic data are given, the study meets basic scientific principles.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Die Prüfung von Natriumaluminiumsilikaten als Waschmittelzusatz auf Toxizität gegenüber Wasserorganismen
Author:
Fischer WK and Gode P
Year:
1977
Bibliographic source:
Vom Wasser 49, 11-26
Reference Type:
publication
Title:
Die Prüfung von Natrium-Aluminium-Silikaten (Zeolith A) auf Toxizität gegenüber Wasserorganismen
Author:
Fischer WK and Gode P
Year:
1979
Bibliographic source:
Die Prüfung des Umweltverhaltens von Natrium-Aluminium-Silikat Zeolith A als Phosphatersatzstoff in Wasch- und Reinigungsmitteln. Schmidt, Berlin. Umweltbundesamt, Materialien 4/79, 18-23

Materials and methods

Principles of method if other than guideline:
A mixed population of tubificides and chironomids was incubated with river sediment, mixed with 250 mg/kg SASIL (Indium-doped for measuring bioaccumulation).
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): SASIL
- Chemical name: Zeolite, cuboidal, crystalline, synthetic, non-fibrous
- Framework: cuboidal
- Related CAS number: 1318-02-1
- Analytical purity: no data

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
other: A mixed population of tubificides and chironomids

Study design

Route of exposure:
sediment
Test type:
static
Water / sediment media type:
natural sediment: freshwater
Total exposure / uptake duration:
28 d
Total depuration duration:
7 d

Test conditions

Nominal and measured concentrations:
no data
Details on estimation of bioconcentration:
no data

Results and discussion

Bioaccumulation factor
Type:
BCF
Value:
0.59 - 0.95
Basis:
whole body d.w.

Any other information on results incl. tables

Neutron activation analysis revealed no enhanced content of SASIL in tissues compared to surrounding sediment. After 4 weeks exposure, 238 mg SASIL/kg were measured in tissues, and after additional 7 days exposure in SASIL-free sediment, 147 mg Sasil/kg were determined.

Applicant's summary and conclusion