A recent draft technical support document published by the OEHHA describes the data and derivation of the proposed inhalation cancer unit risk factor (IUR) for tertiary-butyl acetate. IURs are used to estimate lifetime cancer risks associated with inhalation exposure to a carcinogen; the proposed IUR for tertiary-butyl acetate is 1.3 x 10-6 per μg/m3.

Office of Environmental Health Hazard Assessment (2017). Tertiary-Butyl Acetate (TBAc) Inhalation Cancer Unit Risk Factor (IUR) Document – Scientific Review Panel on Toxic Air Contaminants (SRP) Review Draft. 13 November 2017.



The above items were taken from the December 2017 issue of Toxicology and Regulatory News which is sent automatically to members of bibra.

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