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Environmental fate & pathways

Additional information on environmental fate and behaviour

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Administrative data

Endpoint:
additional information on environmental fate and behaviour
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Remarks:
The study was not conducted according to guideline/s and GLP but the report contains sufficient data for interpretation of study results

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1975

Materials and methods

Principles of method if other than guideline:
Standard Methods for the Examination of Water and Wastewater, 13th Edition, 1971, American Public Health Assn., NY, NY 10019.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Reaction mass of divinylbenzene and ethylstyrene
EC Number:
910-757-7
Cas Number:
N/A
Molecular formula:
Divinylbenzene: C10H10 Ethylstyrene: C10H12
IUPAC Name:
Reaction mass of divinylbenzene and ethylstyrene
Details on test material:
No data

Results and discussion

Any other information on results incl. tables

Divinylbenzene-55 test material 5, 10 and 20 day BOD's are 0.08, 0.24 and 0.38 parts/part, respectively.

The Pollutional Evaluation of Compounds is a summary of data that can be used to assess certain environmental properties of compounds or formulations evaluated by the Michigan Division Waste Control Laboratory and since September, 1974, by Environmental Sciences Research. This summary has been compiled from data sheets on file in the above laboratories. Some of the data, especially that relating to biodegradability and fish toxicity, is best interpreted with knowledge of the special test conditions and/or additional observations made during the test.

Applicant's summary and conclusion

Conclusions:
Divinylbenzene-55 test material 5, 10 and 20 day BOD's are 0.08, 0.24 and 0.38 parts/part, respectively.
Executive summary:

Screening tests were run on a sample of divinylbenzene-55 (DVB-55) and the following conclusions may be made:

 

Movement - Water solubility is 44 mg/L and the vapour pressure is 1.0 mm Hg at 33°C. Removal after 1 hour aeration was 96% by sensitive dichromate analysis and 100% after 4 hours.

 

Stability - DBV-55 does not consume oxygen in the standard 20-day BOD test and will probably not degrade in a biological wastewater treatment plant.

 

Bioconcentration - DVB-55 has a predicted bioconcentration factor (BCF) of 184 which may be contrasted with PCB which has a BCF of 10000 or more. The persistence of DVB-55 in the aquatic environment is unknown.

 

Fish toxicity - DVB-55 showed 96-hr LC10, LC50, and LC90 values of 6.6 (4.4-7.2)*, 7.5 (6.5-8.1) , and 8.6 (8.1-10.8) mg/L, respectively, to fathead minnows, Pimephales promelas Raf inesque, in static water tests.

 

*95% Confidence Interval