Registration Dossier

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1990
Report Date:
1990

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: DIN 38412 Part 27
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Pentacarbonyliron
CAS: 13463-40-6
Purity: no data

Sampling and analysis

Analytical monitoring:
no

Test organisms

Test organisms (species):
Pseudomonas putida

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
30 min

Test conditions

Details on test conditions:
Type: aquatic

Results and discussion

Effect concentrationsopen allclose all
Duration:
30 min
Dose descriptor:
other: EC90
Effect conc.:
> 10 000 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: oxygen consumption
Duration:
30 min
Dose descriptor:
EC10
Effect conc.:
> 10 000 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: oxygen consumption
Duration:
30 min
Dose descriptor:
EC50
Effect conc.:
> 10 000 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: oxygen consumption

Any other information on results incl. tables

Nominal 	
conc.
(mg/l) pH Oxygen demand* MW % of control
------------------------------------------------------------
10000 7.02 3.4/2.9 3.15 101.6
5000 7.28 3.3/2.7 3.0 96.8
2500 7.37 3.05/3.15 3.1 100
1250 7.43 3.6/2.9 3.25 104.8
625 7.45 3.1/3.3 3.2 103.2
Contr. 7.59 3.2/2.7 3.1 100
Contr. Sol. 7.59 3.4/3.1 3.1 100
------------------------------------------------------------
*Oxygen demand in mg/l*min

Applicant's summary and conclusion