EPA has released a draft ADME-B (Absorption, Distribution, Metabolism, Excretion-Bioaccumulation) modeling document for HHCB (a synthetic musk compound used in fragrances). The document is available for public review. This draft appears to support EPA's chemical risk assessment process under TSCA (Toxic Substances Control Act).
The Council on Environmental Quality (CEQ) issued revised guidance on establishing, revising, adopting, and applying categorical exclusions under NEPA, replacing prior guidance from December 6, 2010. The guidance reflects statutory changes including NEPA's new definition of categorical exclusion and the interagency adoption process. The guidance does not create legally binding obligations but promotes consistency in NEPA implementation across federal agencies.