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> Which testing method is adopted for adsorption/desorption test?
> For mixtures, how to calculate LD50?
> Is it acceptable to use in vitro mammalian cell micronucleus test (OECD TG 487) instead of in vitro chromosome aberration test (OECD TG 473)?
> Is it acceptable to use combined chronic toxicity and carcinogenicity test (OECD TG 453) instead of carcinogenicity test (OECD TG 451) and chronic toxicity test (OECD TG 452)?
> Is it acceptable to use bovine corneal opacity and permeability test (OECD TG 437) or isolated chicken eye test (OECD TG 438) instead of eye irritation/corrosion (OECD TG 405)?
> Is it acceptable to submit in vitro skin irritation data (OECD TG 439) instead of acute dermal irritation/corrosion data (OECD TG 404)？
How to determine the hazard classification of mixtures?
If the new chemical substances has already been notified under SEPA Order 17 (predecessor of MEP Order 7), is it necessary to comply with the scientific research record notification under MEP Order 7?
What chemicals need to be registered?
What hazardous chemicals need to go through legal inspection?
Is registration needed if paint is imported, sub-packaged as commodities, and sold to downstream companies for direct selling in the market?
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