Registration Dossier

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
publication
Title:
Environmental fate and effects of ethylene oxide.
Author:
CONWAY, R.A., WAGGY, G.T., SPIEGEL, M.H., & BERGLUND, R.L
Year:
1983
Bibliographic source:
Environ. Sci. Technol., 17: 107-112

Materials and methods

Test guideline
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 224 (Determination of the Inhibition of the Activity of Anaerobic Bacteria – Reduction of Gas Production from Anaerobically Digesting (Sewage) Sludge)
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

Test organisms (species):
activated sludge

Study design

Test type:
static
Water media type:
not specified
Total exposure duration:
16 h

Test conditions

Test temperature:
22

Results and discussion

Effect concentrations
Duration:
16 h
Dose descriptor:
other: 50% growth inhibition
Effect conc.:
> 10 - < 100 mg/L
Conc. based on:
test mat.

Applicant's summary and conclusion