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Ecotoxicological information

Toxicity to aquatic plants other than algae

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Administrative data

Endpoint:
toxicity to aquatic plants other than algae
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Methodological deficiencies. Most test conditions not indicated. No information about application mode, number of plants, controls, test concentrations, statistics, analytics.

Data source

Reference
Reference Type:
publication
Title:
Submerse Wasserpflanzen als Testorganismen für Belastungsstoffe
Author:
Nobel W, Mayer T, Kohler A
Year:
1983
Bibliographic source:
Z. Wasser Abwasser Forsch. 16 (3), 87-90

Materials and methods

Principles of method if other than guideline:
static bioassay
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
IUCLID4 Test substance: other TS: p-cresol, no purity reported

Sampling and analysis

Analytical monitoring:
no

Test organisms

Test organisms (species):
other: other aquatic plant: Potamogeton coloratus

Results and discussion

Effect concentrationsopen allclose all
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
< 0.22 mg/L
Basis for effect:
other: photosynthesis
Duration:
21 d
Dose descriptor:
LOEC
Effect conc.:
0.22 mg/L
Basis for effect:
other: photosynthesis
Duration:
21 d
Dose descriptor:
EC50
Effect conc.:
> 1.08 mg/L
Basis for effect:
other: photosynthesis

Applicant's summary and conclusion