Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1999
Report date:
1999

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD Guideline No. 209.
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

Test organisms (species):
activated sludge of a predominantly domestic sewage

Study design

Test type:
static
Total exposure duration:
3 h

Results and discussion

Effect concentrationsopen allclose all
Duration:
3 h
Dose descriptor:
IC50
Effect conc.:
> 100 mg/L
Duration:
3 h
Dose descriptor:
NOEC
Effect conc.:
100 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
Under the experimental conditions, the 3-hour EC50 of Pseudo Kharismal is > 100 mg/l for activated sludge. Pseudo Kharismal should be considered as non-toxic for the micro-organisms in a water treatment plant.
Executive summary:

Under the experimental conditions, the 3-hour EC50 of Pseudo Kharismal is > 100 mg/l for activated sludge. Pseudo Kharismal should be considered as non-toxic for the micro-organisms in a water treatment plant.