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EC number: 946-365-8
CAS number: -
This study was done to determine if Shellsol
A had an inhibitory effect on the respiration rate of activated sludge.
Activated sludge was exposed to 1.1, 3.3, 9.9, 33, or 99 mg/L of test
substance. The exposure duration, 10 min, was much less than the normal
duration of 3 hrs. However, due to the high volatility of the substance,
it would be rapidly lost to volitization during the vigorous aeration of
the activated sludge process. The test substance showed no inhibition of
respiration as compared to negative controls. The positive control
substance inhibited respiration up to 93.2%. Therefore, the results of
the study are considered valid, and the substance is not expected to be
toxic to aerobic sewage treatment, and the NOEC and EC50 are
both >99 mg/L (nominal).
There is no data available for this
substance. However, key data is available for a structural analogue C9
aromatics. The data is read across to this substance based on analogue
read across and a discussion and report on the read across strategy is
provided as an attachment in IUCLID Section 13. Key information is
Hydrocarbons,C9, Aromatics is not expected
to be toxic to aerobic sewage treatment. The NOEC is >99 mg/L (nominal).
The EC50 is also > 99 mg/L (nominal).
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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