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Ecotoxicological information

Toxicity to birds

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JUSTIFICATION FOR DATA WAIVING


No studies on the long-term reproductive toxicity to birds are available for the substance.


In Annex X Section 9.6.1 of Regulation (EC) No 1907/2006, it is laid down that any need for testing should be carefully considered taking into account the large mammalian dataset that is usually available at this tonnage level. In case of morpholine (CAS 110-91-8) a mammalian dataset is available. In addition, the hazard assessment of the substance reveals neither a need to classify the substance as hazardous according to Regulation EC 1272/2008 and its second adaptation 286/2011, nor is it a PBT or vPvB substance, nor are there any further indications that the substance may be hazardous to the environment.


 


The substance is not supposed to be directly applied to soil. An indirect exposure to soil via sewage sludge transfer is unlikely since the substance is readily biodegradable (for details see IUCLID Ch. 5.2.1). For a substance being considered as „readily biodegradable“, it can be assumed that it will be biodegraded within the STP process and as a consequence a transfer to the soil compartment is not expected. Based on the low measured and estimated BCF values, bioaccumulation in organisms is not to be expected (see IUCLID Ch. 5.3.1). 


Hence, secondary poisoning is of no concern. 


 


Therefore, and for reasons of animal welfare, no tests on birds are performed.