Registration Dossier
Registration Dossier
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EC number: 297-648-1 | CAS number: 93685-99-5 Oil shale waste is produced by thermal processing in a fluidized bed process at 800°C from mining exhausted oil shale. Oil shale waste consists essentially of Al2O3, CaO, CaSO4, Fe2O3 and SiO2.
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
Oil shale thermal processing residue show no acute toxic effect up to a concentration of 100 mg/L (WAF).
Key value for chemical safety assessment
Additional information
Based on the results of a test, which was conducted according to the OECD guideline 203 and GLP, the 96-hour LL50 of oil shale thermal processing residue for rainbow trout (Oncorhynchus mykiss) was determined to be higher than 100 mg test item/L based on the loading rate. The no observed effect loading rate (NOELR) was determined to be ≥ 100 mg test item/L, both values also based on loading rate.
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