Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Regulatory accepted QSAR method for organic chemicals properties assessment.
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2009

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: QSAR method
Principles of method if other than guideline:
QSAR method: ECOSAR Program (v1.00)
GLP compliance:
no
Remarks:
not applicable to QSAR models

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Any other information on results incl. tables

Overview of QSARs estimations on aquatic toxicity of styrene to algae and aquatic plants

Method

 

Results

Remarks

Reference

QSAR

estimate

EC50 (96-hour, Green Algae) =5.901 mg/L (ppm);

ChV (chronic value, Green Algae) =2.618 mg/L (ppm).

Reliable with

restrictions,

QSAR estimated

data

ECOSAR

Program

(v1.00)

Applicant's summary and conclusion

Conclusions:
The QSAR estimated data on acute and long-term aquatic toxicity of styrene to algae is summarised as follows:
EC50 (96-hour, Green Algae) =5.901 mg/L (ppm);
ChV (chronic value, Green Algae) =2.618 mg/L (ppm).