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Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
1-Chlor-2-methyl-3-nitrobenzol (2-Chlor-6-nitrotoluol) BUA Stoffbericht 61
Author:
Beratergremium für umweltrelevante Altstoffe (BUA)
Year:
1991
Bibliographic source:
VCH Verlagsgesellschaft mbH, Weinheim, ISBN 3-527-28427-3
Reference Type:
study report
Title:
Unnamed
Year:
1982

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

Sampling and analysis

Analytical monitoring:
not specified

Test organisms

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

Study design

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

Results and discussion

Effect concentrations
Duration:
24 h
Dose descriptor:
EC0
Effect conc.:
50 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
inhibition of total respiration
Remarks:
respiration rate

Applicant's summary and conclusion