The Environmental Protection Agency has released an updated draft assessment of 1,4-dioxane with its first risk value designed to prevent respiratory problems the agency has found associated with the solvent, which is used to make numerous products.
The updated assessment, released Sept. 9, provides information the agency is proposing to add to a 2010 assessment of 1,4-dioxane (CAS No. 123-91-1) that classified the chemical as a likely human carcinogen.
Specifically, EPA said it has reviewed new scientific data concerning nasal and respiratory problems that resulted in laboratory animals exposed to 1,4 dioxane.
Based on that data, EPA proposed a reference ...